tong hop bai tap trac nghiem va tu luan tieng anh lop 12 unit 9 deserts co dap an

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DESERTS TEST 1 Choose the word which has the underlined part pronounced differently from the rest.

1 a grasses b stretches c comprises d potatoes

Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.

6 Sahara of Africa is the world's largest desert

7 Deserts can be defined as areas that receive average annual precipitation of less than

250 mm

8 The Sahara contains complex linear dunes that are by almost 6 kilometers

a developed b separated c lay d located

9 A _ is a landscape or region that receives very little precipitation

a dune b desert c sandy area d shrub land

10 Deserts are often composed of and rocky surfaces

11 Three great stretches of sandy deserts almost circle the center of Australia

12 Deserts are also classified by their location and dominant weather pattern

a geographical b aerial c sandy d facial

13 Thanks to pictures taken by satellites, deserts have not a mystery in our time

a hidden b intended c remained d attained

14 Deserts take one-third of the Earth's land surface

15 The Simpson Desert was named _ Mr Simpson, President of the South Australian Branch

of the Royal Geographical Society of Australia

16 In 1953, Peveril Meigs divided desert regions Earth categories according tothe amount of precipitation they received

a through/ in b from/ with c on/ into d in/ for

17 More and more are very excited at discovering as many interesting things in the deserts

as possible

a explores b explorations c explorers d exploratory

18 Can you make a estimate of how much our expedition in the desert may be?

a rough b roughly c roughing d roughen

19 After Peter had returned from the Sahara desert, he was confined to bed by a disease

a mystery b mysterious c mysteriously d mysteriousness

20 I want to work as an interpreter in the future, , I am studying Russian at university

21 I am going shopping for food this evening I do not have to go at the weekend

22 When she got the news from her family, she could not do anything, cry

23 Mrs Lindon has that she is unable to get a job

a but not enough education b so little education

c however little education d such little education

24 That small car, , is advertised in many current magazines

a so inexpensive and comfortable

b however inexpensive and comfortable

c inexpensive but comfortable

d and inexpensive but comfortable

25 We live in the same building we have hardly seen each other

26 I went to buy a Rolling Stones CD the shop didn't have it

a and b but c therefore d so

27 Anna needed some money, , she took a part-time job

a furthermore b moreover c however d therefore

28 Julie has a guitar she plays it really well

29 My fingers were injured my sister had to write the note for me

30 The concert was cancelled we went to a nightclub instead

A desert is a hostile, potentially deadly environment for unprepared humans In hot deserts, hightemperatures cause rapid loss of water due to sweating, and the absence of water sources with which

to replenish it can result in dehydration and death within a few days In addition, unprotected humansare also at risk from heatstroke

Humans may also have to adapt to sandstorms in some deserts, not just in their adverse effects onrespiratory systems and eyes, but also in their potentially harmful effects on equipment such as filters,vehicles and communication equipment Sandstorms can last for hours, sometimes even days

Despite this, some cultures have made hot deserts 'their home for thousands of years, includingthe Bedouin, Tuareg tribe, and Pueblo people Modern technology, including advanced irrigationsystems, desalinization and air conditioning, has made deserts much more hospitable, In the UnitedStates and Israel for example, desert farming has found extensive use

In cold deserts, hypothermia and frostbite are the chief hazards, as well as dehydration in theabsence of a source of heat to melt ice for drinking Falling through pack-ice or surface ice layers intofreezing water is a particular danger requiring emergency action to prevent rapid hypothermia.Starvation is also a hazard; in low temperatures the body requires much more food energy to maintainbody heat and to move As with hot deserts, some people such as the Inuit have adapted to the harshconditions of cold deserts

36 The text is about

a troubles that human beings have to face in a desert

b desert storms and desert inhabitants

c hot deserts and cold deserts in the United States

d desert hospitality and environment

37 Which is not a problem for an unprepared man in a hot desert?

a sandstorm b loss of water c irrigation d heatstroke

38 Sandstorms

a do no harm to machinery

b have effects only on the eyes

c never lasts more than one hour

d have bad effects on both human beings and machinery

39 Which sentence is true?

a No one can survive in both hot and cold deserts.

b Modern technology makes deserts more hospitable.

c In the United States, all deserts are quite uninhabited

d There are no deserts in Israel

40 Which is not a problem in cold deserts?

a Starvation b Hypothermia c Frostbite d Body heat

Fill in each numbered blank with one suitable word or phrase.

Desert biomes are the (41) _ of all the biomes In fact, the most important characteristic of adesert is that it receives very little (42) _ Most deserts receive less than 300 mm a yearcompared (43) rainforests, which receive over 2,000 mm That means that the desert only gets 10percent of the rain that a rainforest gets! The temperature in the desert can (44) _ drasticallyfrom day to night because the air is (45) _ dry that heat escapes rapidly at night The daytimetemperature averages 38°C (46) _ in some deserts it can get down to -4°C at night Thetemperature also varies greatly depending on the (47) _ of the desert

Since desert conditions are so severe, the plants that live there need to have (48) _ tocompensate for the lack of water Some plants, such as cacti, (49) _ water in their stems and use

it very slowly, while others like bushes conserve water by growing few leaves or by having large rootsystems to gather water or few leaves Some desert plant species have a short life cycle of a fewweeks that (50) _ only during periods of rain

41 a coldest b hottest c driest d wettest

42 a rain b rainfall c raindrop d raincoat

44.a change b exchange c transform d transfer

45 a such as b such c so much d so

47 a part b region c area d location

48.a adaptations b agreements c accepts d achievements

49 a place b put c store d hold

50 a spend b take c last d experience

TEST 2 Choose the word which is stressed differently from the rest.

2 a Aborigines b expedition c kilometer d scientific

3 a corridor b enormous c mystery d separate

5 a territory b Australia c geography d society

Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.

6 The Simpson Desert is in north of Lake Eyre

a Ø/ Ø b the/ the c a/ the d the/ Ø

7 Cold deserts can be covered in snow or ice and frozen water is unavailable to plant life

8 In the northern part of the Simpson Desert, the dunes are separated by of low, openshrubland

9 San Francisco is built on 40 hills and some are very

10 A is a small raised area of ground, like a very small hill

11 We used to climb up the crest of the hill to get a good view of the surroundings

12 To a desert is a danger activity which requires careful preparation for risks

a comprise b circle c remain d explore

13 Scientific help to explore some places and discover more and more remote parts of theworld

14 The wind that blows in the desert comes far away waters

15 Some sand dunes may be over 200 meters height

a desert b deserted c desertify d desertification

18 Several advanced countries have had plans to make desert more hospitable

a science b scientific c scientifically d scientist

19 The desert biome includes the hottest places in the world because it absorbs more fromthe sun than land in humid climates do

20 Many people have law degrees,

a but some of them do not practice it b however it is not practiced by all

c so some are not practicing law d but not all of them practice law

21 This is an expensive very useful book

22 long it takes, I will wait for you

23 I must say that you have done very well , you should be aware that you still have a lot

of thing to learn

24 that we stopped for a rest

a But we were tired b So tired were we

c However we were tired d Therefore, we were tired

25 He is only sixteen, and , he is not eligible to drive a car

a nevertheless b but c therefore d however

26 Maria tried to read a novel in French the book was too difficult for her to understand

27 To get from Vancouver to Victoria, you can fly, you can ride the ferry

a or b but c so d however

28 I bought a bottle of wine we drank it together

29 The waiter was not very nice, , the food was delicious

30 _ hard he worked, he could earn enough money to support the family

Choose the sentence which has the closest meaning to the original one.

31 Slippery as the roads were, they managed to complete the race

a The roads were so slippery that they could hardly complete the race

b The roads were slippery but they managed to complete the race.

c The roads were slippery so they could hardly complete the race

d The roads were so slippery; therefore, they could hardly complete the race

32 They decided to go for a picnic though it was very cold

a Because it was very cold, they decided to go for a picnic

b However cold it was, they decided to go for a picnic.

c If it had been cold, they would not have gone for a picnic

d It was very cold so they decided to go for a picnic

33 Both Peter and Mary enjoy scientific expedition

a It is not Peter, but Mary, that enjoys scientific expedition

b Peter enjoys scientific expedition Therefore, does Mary

c However Peter enjoys scientific expedition and Mary does

d Peter enjoys scientific expedition, and so does Mary.

34 Because it was an interesting novel, I stayed up all night to finish it

a I stayed up all night to finish the novel, therefore, it was interesting

b Unless it were an interesting novel, I would stay up all night to finish it

c Though it was an interesting novel, I stayed up all night to finish it

d So interesting was the novel that I stayed up all night to finish it.

35 He cannot afford a new computer

a The new computer is so expensive that he cannot buy it.

b Therefore, he would buy a new computer.

c So, he would buy a new computer

d The new computer is so expensive but he can buy it

Read the passage carefully and choose the correct answer.

Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall thatsupports only sparse vegetation and a limited population of people and animals Deserts have beenportrayed as fascinating environments of adventure and exploration These arid regions are calleddeserts because they are dry They may be hot They may be cold They may be regions of sand orvast areas of rocks with occasional plants

Deserts are natural laboratories in which to study the interactions of wind and sometimes water

on the arid surfaces of planets They contain valuable mineral deposits that were formed in the arid

environment or that were exposed by erosion Because deserts are dry, they are ideal places forhuman artifacts and fossils to be preserved Deserts are also fragile environments The misuse ofthese lands is a serious and growing problem in parts of our world

There are many animals in the desert Some are very large, like the kangaroo or the gazelle Bothare big and have to travel long distances for water at a spring, or an oasis Another fairly large animal

is the addax The addax is a desert antelope They live in the Sahara Desert All addaxes areherbivores There are less than 200 of them left because of hunting and tourists Some animals crawlalong Examples of these are snakes and lizards Snakes rarely drink water; they get their moisturefrom other prey that they eat So do others, like the kangaroo rat Lizards are commonly found in thedesert They stay out of the sun and move as little as possible There are also other animals in thedesert The fennec lives in northern Africa in the Sahara Desert They are a relative of the fox Theyeat mice, small birds, lizards, and insects When necessary, they will eat fruit One more desertanimal is the jerboa The jerboa is a small, long distance jumper that lives in the desert They are freedrinking animals and they eat plants, seeds, and bugs

36 Deserts

a are rare in the world b are more arid more populous

c are all hot all the time d may be both hot and cold

37 The word They refers to .

a deserts b natural laboratories c planets d mineral deposits

38 Which is not true about deserts?

39 According to the second paragraph,

a we should use desert land properly to avoid serious problems

b we can exploit as much fossil as possible in deserts

c there are no erosion in deserts

d deserts are ideal places for growing land

40 The last paragraph expresses that

a none of animals can survive in deserts

b hunting and tourists cause the decreasing of addaxes in the Sahara Desert.

c snakes in deserts need more water than any other species

d addaxes are the most populous species in deserts

Fill in each numbered blank with one suitable word or phrase.

Most traditional human life in deserts is nomadic It (41) in hot deserts on finding water,and on following infrequent rains to (42) grazing for livestock In cold deserts, it depends onfinding good hunting and fishing grounds, on sheltering from blizzards and winter (43) , and

on storing enough food for winter Permanent settlement in both kinds of deserts requires permanentwater, food sources and adequate shelter, or the technology and energy sources to (44) it.Many deserts are flat and featureless, lacking landmarks, or composed of repeating landformssuch as sand (45) or the jumbled ice-fields of glaciers Advanced skills or devices arerequired to navigate through such landscapes and (46) _ travelers may die when supplies run (47) after becoming lost In addition, sandstorms or blizzards may cause disorientation inseverely-reduced visibility

The (48) represented by wild animals in deserts has featured in explorers' accounts butdoes not cause higher (49) of death than in other environments such as rainforests or savannawoodland, and generally does not affect human distribution Defense against polar bears may beadvisable in some areas of the Arctic Precautions against snakes and scorpions in choosing (50) at which to camp in some hot deserts should be taken

41 a locates b selects c follows d depends

42 a earn b demand c obtain d require

43.a extremes b poles c tops d heights

45.a dunes b piles c valleys d stores

46 a inconsistent b incapable c: inexperienced d independent

48.a danger b dangerous c endanger d endangered

TEST 3 Choose the word which has the underlined part pronounced differently from the rest.

2 a remained b explored c separated d travelled

Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part,

or has a close meaning to the original one.

6 sand covers only about 20 percent of Earth's deserts

7 Deserts have reputation for supporting very little life, but in reality desertsoften have high biodiversity

a a/ Ø b the/ the c a/ the d the/ a

8 The hill was so that it took us more than five hours to climb up

a sloping b enormous c arid d stable

9 In the northern part of the Simpson Desert, the dunes are parallel

a mysterious b steep c plenty of sand d similar in some ways

10 Several deserts are a quite vast and uninhabited

a plain b territory c corridor d shrub

11 A is a large animal that lives in deserts and is used for carrying goods and people

12 The of a cliff, or mountain, is a vertical surface or side of it

13 Most deserts are enormous sandy areas

a mysterious b narrow c immense d aerial

14 Camels were often used _ transportation by people of the desert

15 Camels have one or two humps used storing water and food

16 Many tall and wide mountain ranges do not let much rain get the desert.

17 I wanted to go a more route across Montana

a north b northerly c northerner d northernmost

18 We often enjoy walking barefoot across the damp to the water's edge

19 If the deserts are managed, there may be troubles for scientific expeditions

a loose b loosen c loosening d loosely

20 He told me not to do it; , I did it

21 We have not yet won; , we will keep trying

a moreover b however c therefore d so as

22 I am afraid that the company is in deep trouble , we are going to make some peopleredundant

23 I wanted to give him some money after he helped me with the car he absolutely refused

to accept it

24 Everyone is ready for the discussion, him

25 she could not say anything

a So upset was she that b So upset was she

c However upset was she that d Therefore upset was she that

26 Do it

a so do you want b but as you want

c however you want d therefore you want

27 you prepare for the exam, there will still be a few questions on which you won't be sure

of the answer

a So much as b Much but c However much d So much

28 The first part of the test was easy; the second, , took hours

a therefore b but c so d however

29 , I cannot keep pace with Johnny

a So I have tried hard b I have tried hard so

c However hard have I tried d However hard I have tried

30 He has done nothing to prepare for the final examination, played

Choose the best sentence that can be made from the words given.

31 The Arabian Desert/ third-largest in the world/ cover/ nearly 1 million square mile of the ArabianPeninsula

a The Arabian Desert, is third-largest in the world, covers nearly 1 million square mile of theArabian Peninsula

b The Arabian Desert, that is third-largest in the world, covers nearly 1 million square mile of theArabian Peninsula

c The Arabian Desert, third-largest in the world, covers nearly 1 million square mile of the Arabian Peninsula.'

d The Arabian Desert, third-largest in the world, therefore, covers nearly 1 million square mile ofthe Arabian Peninsula

32 It/ the sandiest/ all deserts/ no river/ flow through/ originate from it

a It is the sandiest of all deserts, with no river flows through and originates from it

b It is the sandiest of all deserts No river flows through or originates from it.

c It is the sandiest of all deserts, but no river flows through or originates from it

d It is the sandiest of all deserts Therefore, no river flows through or originates from it

33 Arabia's rainfall/ average only 2-5 inches a year/ two- year droughts/ not uncommon

a Arabia's rainfall averages only 2-5 inches a year, and two-year droughts are not

uncommon.

b As Arabia's rainfall averages only 2-5 inches a year, and two year droughts are not uncommon

c Arabia's rainfall averages only 2-5 inches a year, which makes two year droughts are not

uncommon

d Arabia's rainfall averages only 2-5 inches a year, and however two year droughts are not

uncommon

34 The desert today/ be characterized/ 700 - foot - high dunes/ giant sand mountains.

a The desert today is characterized with 700 - foot - high dunes but giant sand mountains

b The desert today is characterized by 700 - foot - high dunes and giant sand mountains.

c The desert today is characterized by 700 - foot - high dunes and however giant sand mountains

d The desert today which is characterized by 700 - foot - high dunes and giant sand mountains

35 The first white man/ traverse/ this desert/ H St.John Philby/ in the 1930s

a The first white man traversed this desert was H St.John Philby, in the 1930s

b The first white man traversed this desert and was H St.John Philby, in the 1930s

c The first white man to traverse this desert he was H St.John Philby, in the 1930s

d The first white man to traverse this desert was H St.John Philby, in the 1930s.

Read the passage carefully and choose the correct answer.

The Sonoran Desert is a North American desert which expands part of the United States - Mexicoborder and covers large parts of Arizona and California and the Mexican states It is one of the largestand hottest deserts in North America, with an area of 311,000 km2

The Sonoran Desert contains a variety of unique plants and animals The desert includes 60mammal species, 350 bird species, 20 amphibian species, more than 100 reptile species, 30 nativefish species, and more than 2000 native plant species Despite the common stereotype that it does notrain in deserts, the Sonoran Desert is considered the wettest desert in the world, receiving 3 to 15inches per year (depending on location in the desert)

Many plants not only survive the harsh conditions of the Sonoran Desert, but they actually thrive.Many have evolved to have specialized adaptations to the desert climate The Sonoran Desertincludes such plant from the agave family, palm family, cactus family, legume family, and manyothers This desert is the only place in the world where the famous saguaro cactus grows in the wild.The desert is home to seventeen aboriginal American cultures The largest city in the SonoranDesert is Phoenix, Arizona, the USA This metropolitan area in central Arizona is one of thefastest-growing metropolitan areas in the United States, with a population of 4 million In the NorthPhoenix area, desert is losing ground to development at a rate of approximately 4,000 m2 per hour.The next largest cities are Tucson, in southern Arizona, with a metro area population of around900,000, and Mexicali, Baja California, Mexico, whose municipality also has a population of around900,000 The municipality of Hermosillo, Sonora, Mexico has a population of around 700,000