BÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNIT

BÀI TẬP BỔ TRỢ BÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNITBÀI TẬP BỔ TRỢ TIẾNG ANH 8 HK2 TEST UNIT

Giaoandethitienganh.info UNIT ENVIRONMENTAL PROTECTION BASIC PRACTICE A PHONETICS Exercise Choose the word with the underlined part which is differently pronounced from the others Giaoandethitienganh.info sưu tầm A absorb B natural C marine D avoid A factory B transport C animals D endangered A single B environment C dioxide D device A wildlife B organise C island D importance A product B rubbish C pollution D dumping A pollution B protect C carbon D ecosystem A suggestion B extinction C protection Giaoandethitienganh.info sưu tầm D pollution A relate B private C celebrate D participate A release B leave C beach D earth 10 A endangered B release C ecosystem D environment Exercise Choose the word which is stressed differently from the others A problem B global C species D protect A reduce B carbon C release D device Giaoandethitienganh.info A product B plastic C single D avoid A volunteer B programme C quality D habitat A protection B pollution C endanger D animal A participate B activity C celebrate D environment A species B throughout C wildlife D product A tornado B endanger C extinction D habitat A resident B importance C continue D recycle 10 A environment B ecosystem C successfully D participate B VOCABULARY AND GRAMMAR Exercise Underline the right word in brackets to complete each sentence We can reduce our (carbon footprint/ single-use products/ environmental harm) by using public transportation instead of driving alone To help the environment, we should avoid using (environmental/ single-use/ endangered) products and opt for reusable alternatives We need to properly dispose of plastic (activities/ species/ rubbish) to prevent environmental harm Efforts to prevent water (pollution/ sources/ habitat) are crucial for a healthy ecosystem It's important to take action to save (endangered species/ animals/ common species) from extinction We all have a responsibility to protect our (environment/ campfire/ products) for future generations Pollution from industrial activities harms natural (habitats/ neighbours/ devices) and disrupts ecosystems The giant panda faces a high risk of (extinction/ awareness/ increase) due to habitat loss Exercise Look at the pictures and write the correct word in the box under each picture cutting down a lot of trees planting trees cutting down trees making light bulbs Giaoandethitienganh.info building a campfire picking up rubbish turning off devices practising the 3Rs recycling paper products saving water 10 Exercise Fill each blank with a word/ phrase in the box a campfire single-use products paper products rubbish trees carbon footprint endangered species electricity Planting trees helps reduce our and fight climate change We decided to build to keep warm during our outdoor trip to the mountains We shouldn't cut down as they provide vital oxygen and habitat for wildlife It's important to pick up to keep our environment clean and beautiful Efforts to protect are important to maintaining biodiversity To save , remember to turn off lights when leaving a room Let's help the environment by recycling like newspapers and cardboard Giaoandethitienganh.info Using increases waste, so it's better to choose reusable ones Exercise Complete each sentence with one connector in the box as soon as until when before whenever after She waited her coffee had cooled down before taking a sip we carry out any new policies, we should consider their potential effects on the environment Fire-engines turned out the fire broke out to fight it as quickly as possible I see a plastic bottle on the beach, I pick it up to help protect the coastal environment it had rained hard, the garden’s soil was replenished I was just getting into the bath the phone rang Exercise Combine each pair of sentences using the connector given in brackets You cannot go home Finish your job first (until) _ I have free time I visit my grandparents (whenever) _ We had a day practising the play After that, our team performed on stage (before) _ I am working I don't like to be disturbed (when) _ They were sleeping Burglars broke into their home at that time (while) _ He finished his dinner And then he went for a walk in the garden (after) _ C SPEAKING Exercise Choose the best answer to each question below Mi: Linda, what does "single-use products" mean? Linda: _ Giaoandethitienganh.info A Single-use products are products that can be used once and then thrown away B I don't think single-use products are harmless to the environment Mi: And what you mean by "carbon footprint"? Linda: _ A Carbon footprint should be reduced as much as possible B It's the amount of carbon dioxide we release into the environment Mi: What are the most serious environmental problems in your neighbourhood? Linda: _ A Water pollution and noise, in my opinion B Planting more trees to make the air fresher Mi What should we to protect the environment in our neighbourhood? Linda: _ A For me, the environment is becoming more and more polluted B Plant more trees and clean up the lakes and ponds, that's my idea Mi What you to reduce your carbon footprint in your home? Linda: _ A We turn off electric devices when we are not using them B Carbon footprint is the amount of carbon in the environment Exercise Complete the following dialogues with the sentences in the box A Yes, I’ve visited several times with my family The landscapes are also breathtaking B It covers an area of around 222 square kilometers It's actually the first national parkin Viet Nam C It's in Ninh Binh Province D The park is home to tall ancient trees, including some that are over a thousand years old E It is not too far, about a two-hour drive from the capital city Giaoandethitienganh.info sưu tầm Linh: Hey, have you ever heard of Cue Phuong National Park? It's a really cool place in Viet Nam Michael: Oh, no, I haven't heard about it Where is it located? Giaoandethitienganh.info Linh: (1) _ Michael: How far is it from Ha Noi? Linh: (2) _ Michael: That sounds pretty accessible How big is the park? Linh: (3) _ Michael: What kinds of animals are there? Linh: You can find over 300 bird species, various monkeys, and even some endangered animals Michael: That's great! And what about the plant life? Linh: (4) _ Michael: It sounds like a heaven for nature enthusiasts Have you been there? Linh: (5) _ Michael: I'm really interested now I'd love to explore the park myself Thanks for sharing, Linh! Linh: No problem, Michael I'm sure you'll have an unforgettable experience when you visit Cue Phuong National Park! D READING Exercise Put a word from the box in each gap to complete the following passage cleaner collect habit pollution since when treat swimming Hi, Linda How's everything? I'm happy to tell you some good news about my village I see a lot of changes (1) you visited my village last year Last month, I was really surprised (2) I came back to my village You know what? The pond is not I polluted anymore The factory has installed a new filtration system to (3) the chemical waste I saw lots of small fish in the lake and wild ducks (4) in the water Besides, they have planted trees around the factory to reduce air (5) Since some villagers are in the (6) of littering, people have placed dustbins in various places This has resulted in a much (7) environment My grandparents Giaoandethitienganh.info say that at weekends, the villagers also go around the village together to (8) rubbish, what about your neighbourhood? Has anything been done to make it cleaner? Tell me all about it in your next email Bye for now, Linh Exercise Read the text and answer the questions Water pollution is a big problem for nature It happens when dirty things like sewage, fertilizers, and soil get into rivers and lakes This hurts animals and their habitats, what should we to stop this? First, we need to keep soil safe by stopping erosion, which is when soil washes away Eroded soil can bring bad chemicals into the water Second, we should plant more trees by rivers, and this can help stop soil from washing away Third, used engine oil should be thrown away properly, or it can flow to the water In addition, people often leave litter at fun places, like beaches This litter can end up in the water and make it dirty Therefore, picking up litter is a simple way to help We can also clean with friends and ask businesses to help Using less plastic or other materials is good for the oceans Lots of plastic comes from the land, and it's better to use less of it What causes water pollution? Does water pollution affect animals? How does soil erosion cause water pollution? Why should we plant more trees by rivers? How people often pollute fun places? Exercise Choose the correct word A, B, or C for each of the gaps to complete the following Giaoandethitienganh.info text Cue Phuong, the first national park in Viet Nam, was officially opened (1) 1960 It (2) 160 km south west of Ha Noi spanning Ninh Binh, Hoa Binh and Thanh Hoa provinces The 200 square kilometer park (3) tourists and scientists alike In 2002, nearly 100,000 visitors (4) their way to Cue Phuong Many come to see the work being done to protect (5) species According to scientists, there are about 2,000 different species of flora and 450 species of fauna Cue Phuong National Park has many caves Quen Voi, also part of the park, is where Nguyen Hue's army was stationed (6) it made its surprise attack on Thang Long and (7) the Qing invaders in the spring of 1789 Cue Phuong is also (8) to the Muong ethnic minority, who live mainly on beekeeping and farming A in B on C at A is located B located C locating A protects B attracts C harms A make B have made C made A dangerous B danger C endangered A since B before C during A increased B competed C defeated A room B flat C home F WRITING Exercise Write complete sentences using the given words The air/ water quality/ getting/ worse/ worse _ Carbon footprint/ serious problem/ to/ environment/ now _ We/ should/ stop/ litter/ our neighbourhood Giaoandethitienganh.info _ People/ should/ stop/ dump waste/ lakes and rivers/ reduce water pollution _ My school/ will/ organize/ environment program/ next week _ The villagers/ our neighbourhood/ doing a lot/ save endangered species _ Trees/ release/ oxygen/ absorb/ carbon dioxide _ Cutting down trees/ can/ harm/ environment/ ecosystems _ Exercise Put the following words and phrases in the correct order to make complete sentences you/ Make sure/ turn off/ before/ all electric devices/ you/ the room./ leave _ have a bath./ Don't/ too much/ when/ you/ water/ use _ pick up/ When/ come, we/ will/ rubbish/ my classmates/ on the schoolyard _ when/ My mother/ avoids/ single-use products/ using/ she/ using/ goes shopping _ water pollution./ There are/ types of pollution/ such as/ air/ and/ some _ first change/ To protect/ we/ should/ our way of living./ the environment, _ help/ Recycling paper products/ your carbon footprint./ can/ reduce _ a variety of/ provides/ Cue Phuong National Park/ a rich habitat/ for/ animal and plant life Giaoandethitienganh.info _ Giaoandethitienganh.info Possibly he isn't the captain of Star Trek (may)  He "How did they return to Earth?" we asked (wanted)  We It's possible the weather will be sunny tomorrow (might)  The weather "Is your uncle working as a pilot for NASA?" Julia asked me (working)  Julia asked me "How can the people from Venus travel around?" Tom asked (could)  Tom wondered "Do you want me to call your mom?" said the waitress to the little boy (whether)  The waitress asked "Where have you been the whole evening, son?" asked the mother (had)  The mother asked the son Giaoandethitienganh.info ADVANCED PRACTICE A PHONETICS Exercise Choose the word with the underlined part which is differently pronounced from the others A Neptune B human C temperature D suitable A habitat B character C behavior D imaginary A return B Saturn C support D surface A attack B happy C travel D water A obey B observe C professor D object A enough B another C punish D support A except B exist C expression D explore A really B early C clearly D nearly A break B bread C weather D health 10 A actual B fiction C spaceship D social Exercise Choose the word which is stressed differently from the others A visit B happen C punish D explore A include B enough C protect D Spanish A wonder B spacemen C daytime D except A around B actual C thrilling D football A important B character C journalist D similar A gravity B appearance C favourite D habitat A Uranus B professor C Mercury D telescope A behavior B atmosphere C condition D another A particular B unsuitable C habitable D imaginary 10 A temperature B similar C information D promising B VOCABULARY AND GRAMMAR Giaoandethitienganh.info Exercise Match each word/ phrase with its meaning aliens A optical device to view distant objects in space telescope B vehicle pushed by engines that carries payloads into space crater C Sun and its orbiting planets, moons, and other bodies rocket D force that pulls objects toward each other due to mass galaxy E state of matter with particles that flow and take the shape of a container solar system F layer of gases surrounding the Earth outer space G the part of space that is very far away from Earth gravity H any of the large systems of stars, gas, and dust in outer space atmosphere I a large hole on a surface, often caused by impacts 10 liquid J extraterrestrial beings from another world Answer: 10 Exercise Complete the sentences with the words/ phrases from the box a possibility gravity a UFO a living creature outer space traces the solar system aliens a promising planet a habitable planet Strangely, no one believed us when we told them we'd been visited by _ from Mars Do you genuinely believe that space _ have landed on our planet? There is _ that other forms of life exist beyond our planet The possibility of visitors from has intrigued scientists and enthusiasts for decades The _ of the Earth keeps objects and people grounded Recent findings suggest _ of water may exist on the moon Tom said that he saw a strange object in the sky and claimed to have seen _ _ consists of the sun and all the celestial bodies orbiting around it Giaoandethitienganh.info Scientists have identified in a distant star system that could potentially support life 10 _ is one that has the right conditions to support life as we know it Exercise Change the following sentences into the reported speech "Have you seen any UFOs since then?"  The interviewer asked "What are the essential conditions for human life?" the teacher asked her students  The teacher asked "Have humans been able to communicate with people on other planets?" Samuel asked the scientist  Samuel asked the scientist "Did the Roswell UFO incident take place in the U.S in June 1947?" Nick asked the jourlist  Nick asked "Who was the witness in the Roswell UFO incident?" Vanessa asked her uncle  Vanessa asked her uncle "When will humans be able to travel from one planet to another more easily?" the son asked his father  The son asked his father "Why can't people move to Mars immediately?" Diane asked her mother  Diane asked her mother "Are they going to build a new school in this area next year?"  I wondered Exercise Choose the correct answer to complete the sentences Mohan asked his mother if _ the Internet A could he surf B he can surf C he could surf D he surfs I asked the salesgirl how much _ A did the dress cost B cost the dress C the dress cost " _ the pink dress? It suits you," said Molly D the dress costs Giaoandethitienganh.info A Why did I not buy B why don't you buy C Did I buy D Had you bought Father asked me _ to watch Brother Bear with my cousins A if I will want B whether I wanted C when will I want D why he wanted me Mrs Krishna asked her children to _ the room for their grandmother's visit A prepare B be preparing C prepared D has prepared The little boy asked the waitress _ have another spoon A could he B he could C he can D if he could Lisa asked me where _ for delicious seafood A did she go B can she goes C she could go D could she go I asked my mother _ go to the bookshop with my friends A may I B I may not C if I might D if could I Charles wanted to know _ A why is Joseph late C why Joseph was late B why was Joseph late D was Joseph late 10 The little boy told the teacher what _ for Christmas A did he get B did he got C he got D he get Exercise Change the indirect sentences into direct ones We asked Mr Tam whether he was working for NASA then  " _" we asked Mr Tam They wanted to know if we would ever meet aliens one day  " _" they asked David asked me what I had talked to the astronaut the previous night  " _" David asked me Vinh asked Peter whether there were other life forms in the universe  " _" Vinh asked Peter My friends wanted to know if he would stay there with me for some more days Giaoandethitienganh.info  " _" my friends asked People wondered why the security of the earth would be threatened  “ _" Peter asked I asked Ms Gray if she could speak Martian language  " " I asked Ms Gray She asked Mr Armstrong how long he had worked on space projects  " _" she asked Mr Armstrong The reporter wanted to know why I hadn't taken a picture when I had seen the UFO  " _" the reporter asked me 10 Hoa asked me whether I had been leaving the spaceship at o'clock the day before  " _" Hoa asked me Exercise Fill in each blank with a suitable preposition/ particle The hero's mission is to stop the commander _ destroying the Earth and save humanity What would we if aliens took _ our planet? The brave pilots scrambled their fighter jets to fight _ the UFO that had suddenly appeared in the night sky The outer planets such as Jupiter and Saturn are made _ mostly of gas In the past scientist were not sure the possibility of water on Mars We always have the same _ food every day I’m fed up it They told me they were sorry _ the situation, but there was nothing they could The woman sitting opposite me on the train kept staring _ me There was an accident this morning A bus collided _ a car 10 I wanted to go alone, but some friends of mine insisted _ coming with me Exercise Supply the correct form of the words in brackets The _ skills he acquired during his wilderness training were useful when he got lost in the forest (survive) Astronauts experience _ in the environment of space, allowing them to float inside the spacecraft (weight) Giaoandethitienganh.info _ efforts are crucial to protect such endangered animals as the black rhinoceros from disappearing from the planet (conserve) Many reports of a(n) _ flying object in the sky turned out to be a weather balloon, not an alien spacecraft (identify) The toxic gases in the old mine are _ to breathe (poison) Exploring the _ island gave me a sense of loneliness (desert) Scientists are curious about the _ of alien life beyond Earth (exist) Children often have vivid imaginations and create stories about _ living things (imagine) The unions are in _ to the government over the issue of increasing the minimum wage (oppose) 10 Many people think that the death penalty is too severe a _ for any crime (punish) Exercise Choose the best answer to complete the sentences The _ launched into space with a deafening roar, leaving a trail of smoke behind A rocket B asteroid C planet D satellite Scientists use _ to observe the distant stars and galaxies in the night sky A telescopes B binoculars C 3D contact lens D glasses The Milky Way is a vast _ containing billions of stars and planets A comet B galaxy C universe D planet The moon's surface is covered in _ from countless impacts over the years A meteoroids B glaciers C craters D asteroids The _ worked tirelessly to repair their spaceship, stranded on a distant planet A rockets B pilots C spacecrafts D astronauts Scientists are constantly searching for planets beyond our solar system that might be for human colonization in the future Giaoandethitienganh.info A user-friendly B deserted C habitable D hospitable The _ of the Earth keeps us firmly fixed to the ground, preventing us from floating into space A gravity B atmosphere C weightlessness D pressure Venus, often called Earth's "sister planet", is known for its extreme heat and thick, toxic A atmosphere B climate C weather D galaxy Too much carbon dioxide in the air can be _ for humans to breathe A poisonous B unfriendly C healthy D habitable 10 A _ is a spacecraft that creatures from other planets travel in A flying saucer B rocket C telescope D galaxy 11 Many people believe that _ may exist on other planets in our vast universe A creatures B aliens C craters D monsters 12 It's unlikely that any living _ can survive on a cold planet like Neptune A individuals B workers C creatures D agents 13 There are no trees or animals on the _ of Mars A face B crater C mouth D surface 14 Astronauts left a flag as a _ of human life during a visit to the Moon A trace B discovery C copy D picture 15 Tom asked me _ people are exploring outer space A why B what C who D whom 16 Dean asked his teacher _ humans might inhabit the Moon A what B how C who D where 17 They wanted to know _ was found on Mars A where B how C what D why 18 The little girl asked _ she could phone people living on other planets A who B whom C if D unless Giaoandethitienganh.info 19 The students wanted to know _ the similarities between Mars and Earth were A how B why C whoever D what 20 Nick asked me _ there were any green plants on Venus A it B what C who D unless C SPEAKING Exercise Put the phrases into correct place to complete the dialogue A the costs could come down B ensure the safety of passengers and crew C Mars has been a popular topic D people might be able to take trips to space E future travel time could be greatly reduced Mark: What you think of space travel in the future? George: Oh, with advanced technology, I think space travel will become more common Like taking a flight to another country, (1) Mark: That sounds exciting But won't it be really expensive? George: Initially, yes But over time, as technology improves and more companies get involved, (2) Mark: Do you think we'll have regular flights to other planets too? George: It's a possibility (3) , with plans for human colonization Other planets might become destinations for researchers and adventurers Mark: How about the duration of these trips? They're pretty long right now George: Yes, they are Current trips take months, but (4) Mark: And safety? That's a big concern, right? George: Absolutely Safety will always be a top priority New technologies will likely be developed to (5) Mark: I can't wait to see how it all unfolds Maybe one day, we'll be having this conversation from a space hotel Giaoandethitienganh.info George: Who knows? The sky's not the limit anymore; it's just the beginning Exercise Put the dialogue into the correct order A First, atmosphere matters a lot It provides the air we breathe and helps regulate temperature B Beside atmosphere, the planet should be big enough to have gravity to hold onto its atmosphere, but not so big that it becomes a gas giant C Yes, water is essential It provides habitat for life to thrive D A stable climate, a magnetic field to shield from solar winds, and the right mix of elements are also crucial E They use telescopes to study their characteristics to see if they could be habitable F What does a planet need to have in order to support life? G What about the planet's size? H So, it is not too big and not too small Does water play a role? I Is there anything else that's important? J By the way, how scientists find planets that meet these conditions? Mary: (1) _ Joan: (2) _ Mary: (3) _ Joan: (4) _ Mary: (5) _ Joan: (6) _ Mary: (7) _ Joan: (8) _ Mary: (9) _ Joan: (10) _ D READING Exercise Read the following text and decide which answer best fits each numbered blank Giaoandethitienganh.info NASA announced its plans to (1) humans to the moon again by 2020 The space agency hopes to make a giant leap - back to the moon Back in 2005, the U.S space agency announced its plan to send four astronauts to the moon within the next 15 years NASA officials say the moon is just (2) first step They hope future missions will take (3) to Mars and beyond "We will return to the moon no later than 2020 and extend the human presence across the (4) system and beyond," says Michael Griffin, the head of NASA So far, the moon is the only place (5) Earth that humans have visited At 226,000 miles away, the moon is Earth's closest space neighbour On July 20th, 1969, Neil Armstrong and Edwin "Buzz" Aldrin (6) the first astronauts to land on the moon They traveled there aboard Apollo 11 when Armstrong first set (7) on the moon, he spoke these famous words: "That's one small step for a man, one giant leap for (8) " During NASA's Apollo program, 12 American astronauts explored the lunar terrain The last U.S trip to the moon finished in December 1972 A send B mail C transport D arrive A one B a C the D some A doctors B satellites C spacecrafts D comets A sun B solar C galaxy D universe A far B near C outer D beyond A become B became C have become D were becoming A foot B step C head D foundation A women B space C Earth D mankind Exercise Read the text and then answer the questions First Man on the Moon Neil Armstrong was an American astronaut who was famous for being the first person to walk on the Moon Neil Armstrong was born on 5th August 1930, in the USA His passion for flying began at a young age when he was two years old, his parents took him to Cleveland Air Race Giaoandethitienganh.info which was where he saw his first ever aircraft At the age of six, Neil was taken by his dad for a ride in an aeroplane He worked hard to achieve his dream of being a pilot: Armstrong was only 16 years old when he received his first pilot's licence, before he could even drive a car! In September 1962, Neil Armstrong was accepted to the NASA astronaut corps, where he knew he might one day go in to space Amazingly, during his career he flew over two hundred different aircrafts! Finally, everything was ready! On 16th July 1969, at 13:32, Neil Armstrong and his crew mates Edwin (Buzz) Aldrin and Michael Collins blasted off into space Neil Armstrong became the first man to walk on the Moon on 20th July 1969 It was shown all across the world on television It is estimated that 600 million people watched the astronauts make history During their moonwalk, Armstrong and Aldrin planted the flag of the United States of America They also spent time collecting moon rocks from the surface The astronauts returned home to Earth on 24th July 1969 Who was Neil Armstrong? _ At what age did he see his first aircraft? _ What was his achievement at the age of 16? _ How many aircraft did Armstrong fly in his career? _ When did Armstrong first set foot on the moon? _ Exercise Read the text and decide whether the following statements are T (True) or F (False) Elon Musk Wants to Send You to Mars! For many years, a growing number of people have talked about the real possibility of sending people to Mars One of the problems with such a trip, however, has been the cost: US 10 billion dollars to send just one person to the red planet Giaoandethitienganh.info However, in the early 2000s things began to change That's when Elon Musk, a billionaire businessman, announced his plan to lower the cost of sending people to Mars Musk is the CEO of SpaceX, a company that he created, and he hopes to change the world by selling tickets to Mars for only US$200,000 How can he this? The answer is technology With new technology, he believes, his company will be able to make the long trip to Mars affordable He plans to send the first humans to Mars before 2030, and after that his company wants to send one million people to Mars in the next 40 to 100 years To this, SpaceX needs to build about 1,000 spaceships, why does Elon Musk want to this? He wants to this because he hopes people will build a city on Mars, a city that will be a second home for humans Such a city on another planet should increase the chances that humanity will survive far into the future What you think about Elon Musk's plan to sell affordable tickets to Mars? Would you like to travel to Mars and live there? STATEMENTS It is thought that it is possible to send sending people to Mars Elon Musk is a co-founder and CEO of SpaceX Elon Musk aims to make the tickets to Mars more affordable through the use of technology Elon Musk's company, SpaceX, need to set up about 1,000 space stations A city on Mars could improve the chances of human survival in the long term F WRITING Exercise Put the words/ phrases in the correct order to make complete sentences Mars/ is/ the Red Planet/ called/ its/ reddish surface./ because of _ My mother/ subject/ me/ what/ I found/ asked/ the most difficult _ The Moon/ once/ on/ orbits/ each time/ it/ the Earth./ revolves/ its axis _ T F Giaoandethitienganh.info The Moon's surface/ to be/ been known/ completely/ waterless./ has long _ In this space,/ is/ nothing/ there/ besides/ the Moon/ all the stars./ the Sun,/ and _ Sally/ residents/ had/ from Venus/ and/ round faces./ thought/ very big eyes _ Nick/ his teacher/ if/ asked/ good friends/ those people/ would become/ with humans _ The father/ the boy/ asked/ if/ he/ all the instructions./ had followed _ Exercise Use the given words to write the complete sentences Astronauts/ experience/ difficulties/ when/ they/ first land/ on/ moon _ The climate/ other planets/ be/ very different/ that/ Earth _ The Earth/ seem/ too small/ accommodate/ the increasing population _ The rebels/ decide/ oppose/ the commander's authority/ during last year _ Mercury/ closest planet/ to/ sun/ our solar system _ The gravity/ the earth/ prevents us/ fall out/ the atmosphere _ Mars/ one of/ promising planets/ for life/ our solar system _ Gravity/ the force/ of the earth/ that/ causes/ things/ fall to the ground _ Giaoandethitienganh.info Giaoandethitienganh.info sưu tầm Giaoandethitienganh.info sưu tầm