(3) _________ energy nowadays comes from fossil fuels such as petroleum, coal and natural gas.. However, burning fossil fuels cause pollution.[r]
(1)UNIT 7: SAVING ENERGY A WORD FAMILY
STT VERB NOUN ADJ ADV MEANING
1 energize energy energetic
2 worry worried
3 reduce reduction
4 plumb plumber
5 enormous enormously
6 drip dripping
7 sun sunny
solar
8 cloud cloudy
cloudless
9 heat heat hot
10 install installation
11 nature natural natural.ly
12 electri.fy electricity electric.ian
electric
13 necess.ity necessary
un.necessary
nessari.ly un.nessari.ly 14 consume consume.r
consum.p.tion
consum.ing time-consum.ing 15 produce produce.r
produc.tion produc.t
produc.tive produc.tive.ly 16 replace replace.ment replace.able
ir.replace.able
17 affect effect effect.ive
in.effect.ive
effect.ive.ly in.effect.ive.ly 18 innovate innovat.ion innovate.ive
innovat.rory
innovate.ive.ly innovat.ror.i.ly
19 efficien.cy
in.efficiency
efficient in.efficient
efficient.ly in.efficient.ly
20 luxury luxur.i.ous luxur.i.ous.ly
21 compare compar.i.son compar.a.tive compar.a.tive.l y
22 advise advise.r/ advis.or advice advis.ability
advise.d advis.ory advis.able
advise.d.ly
23 shortage short
24 apply appl.i.ance
25 waste wasteful
waste
26 collect collection collective collectively 27 attend attention attentive attentively
28 profit profitable profitably
29 power powerful powerfully
30 possibility (im)possible possibly
* PREPOSITIONS
(2)- to account for … - to be worried about … - to give something to … - to make sure of / about … - to replace something with … - to leave for work…
- to pay for …/ to give advice on … - to spend on …
- to reduce by … - to compare with… - to help someone with … - to talk with …
- instead of - interested in
- in the same category - in Western countries - in Europe
- in different places - in the kitchen - in the pipes - on the roof
- around the school
- in a few decades
B GRAMMAR
I Connectives: and, or, but, however, because, therefore, so
AND (và…), BUT (nhưng, mà…), OR (hay, hoặc), BECAUSE= SINCE= AS (bởi vì), SO (vì , cho nên…), THEREFORE (vì vậy, thế), HOWEVER (tuy nhiên)
1 Mrs.Quyen bought corn, potatoes, and cabbages at the supermarket Does Lan want lemon tea or milk tea?
I’d love to play volleyball, but I have to complete an assignment
Na is tired However, she has to finish her homework before going to bed Na is tired; however, she has to finish her homework before going to bed Nam got bad marks because he didn’t study hard
Hoa failed her math test Therefore, she has to take the repeated exam It’s raining, so I can’t go to the beach
II Phrasal verbs
1 to look after / to take care of 2 to go on / to keep on
3 to turn on / to switch on 4 to turn off /to switch off 5 to look for 6 to look up
Take care of yourself when I’m away
The children kept on talking about the tricks of the magician It’s much too hot Turn on the air conditioner
Turn off the gas before you leave the kitchen He’s looking for a special souvenir
You should look up that new word in the dictionary
III Structures
1. Expressions of making suggestions Let’s V-Bare
= Why not V-Bare?
=Why don’t we/ youV-Bare? = Shall we + V-Bare?
= I think weshould V-Bare = I suggest THAT S + V-Bare
= I suggest V-ing = How about V-ing ?
= What about V-ing ? 2 CAUSATIVE FORM
+ Active: - HAVE : S + HAVE +sb + V-bare + sth - GET : S + GET +sb + V-TO + sth + Passive: S + HAVE/GET +sth + V-ed/3 (by sb)
(3)1 Adjectives and Adverbs 2 Tenses: +Simple past
+ Present perfect 3 Passive voice
C EXERCISES
EXERCISE 1: CHOOSE THE WORD OR PHRASE THAT BEST COMPLETES EACH UNFINISHED SENTENCE BELOW:
1 I’m worried my most recent electricity bill 1………
A about B to C with D off
2 If you want to save money, you should the amount of water your family uses 2………
A increase B reduce C adapt D repair
3 Mrs Mi gives Mrs Ha advice how to save water 3………
A about B on C with D in
4 Mrs Ha is _ about her water bill 4………
A worried B working C feeling D looked
5 She turned on the and washed her hand carefully 5………
A faucet B rule C topic D draft
6 They suggested energy in our home 6………
A save B to save C saving D should save
7 A _faucet can waste 500 liters of water a month 7………
A drip B dripping C to drip D dripped
8 Baths use twice as much water as showers, so I suggest _ showers 8………
A take B to take C taking D took
9 You should get a to check your water pipes 9………
A piper B checked C plumber D consumer
10 My neighbor will get a plumber to make sure there are no _ in the pipes 10……
A cracks B racks C sacks D rags
11 The ground was full of _ after hot , dry summer 11……
A cracks B racks C sacks D rags
12 Don’t waste electricity and water or you will get an enormous by the end of the month 12……
A paper B money C bill D breakfast
13 I think we should take a shower instead of a bath to save 13………
A course B nature C energy D oil
14 Mrs Ha suggests getting some tool to check cracks in the 14………
A home B pipes C rivers D drivers
15 She _ John some advice on how to save water 15………
A gives B makes C helps D talks
16 It was raining hard, _ we couldn’t go on a picnic as planned 16………
A therefore B but C because D so
17 The water bill is 400,000 dong It’s very _ 17……… A enormous B expensive C wasteful D cheap
18 Are there any _ in the pipes? 18………
A bags B labels C cracks D posters
19 We can reduce gas by _ by bike or public transport 19……… A travel B to travel C traveling D traveled
20 Remember to turn _ the faucet after use 20………
A off B on C down D at
21 I suggest fixing the dripping faucet 21……… A We will B Good idea C Yes, please D I’m afraid not 22 How about making posters on energy saving and hanging them _our school? 22………
A between B next C above D around
23 In order to save money, we should use public transport motorbike 23………… A instead of B except C besides D along with
(4)25 Take a shower instead _ a bath to save energy 25…………
A on B for C about D of
26 energy can be obtained in tropical countries nearly everyday of the year 26…………
A Solar B Nuclear C Effective D Solid
27 Solar energy can be used cloudy days 27…………
A in B on C at D for
28 All buildings in Sweden will be by solar energy in 2050 28…………
A hot B heat C heated D heat
29 Energy can be collected by solar _ on cloudy days 29…………
A boards B panels C bars D sheets C
30 We can save by using solar energy instead of coal , gas and oil 30……… A old resources B man-made resources C natural resources D living resources 31 Most of our _ now doesn’t come from nuclear power 31………
A light B electricity C resource D life
32 The sun can be an effective _ of energy 32……… A source B celebration C course D panel
33 Solar energy can be safe and 33………
A poisonous B clean C fresh D sunny
34 In winter, heating for 50 percent of our electricity bill 34……… A takes B occupies C accounts D costs
35 Energy can be collected by solar on cloudy days 35………
A boards B panels C bars D sheets
36 What can we to spend less lighting? 36………
A in B on C about D of
37 Hoa failed her math test _ , she has to the test again 37……… A However B So C Therefore D But
38 A labeling scheme tells the _how much energy efficiency each model has 38……… A consumers B consume C consumes D consumed
39 They replace an ordinary 100–watt light bulb with an _bulb 39……… A saving – energy B energy – saving C energy – saved D saved – energy 40 In Western countries, electricity, gas and water are not _ 40………
A necessities B appliances C luxuries D resources
41 The consumers want products that will not only work but also save money 41……… A effect B effective C effectively D effecting
42 Solar panels are _ on the roof of a house to receive the energy from the sun 42………
A B installed C used D took
43 Electricity, gas and water are not luxuries but 43………
A wonderful B cheap C necessities D enormous
44 She bought corn, potatoes cabbages at the market 44………
A and B so C or D because
45 You should have a _ check your car regularly 45…………
A driver B mechanic C worker D designer
46 The body of a speech is used to give _in easy –to- understand language 46……… A attention B details C summary D plans
47 We should keep sheets with single printed page for _ 47……… A reducing B drafting C saving D turning
48 Na is very tired _ , she has to finish her homework before she goes to bed 48………
A But B Therefore C However D Because
49 Her husband looks the children while she’s at work 49………
A after B for C at D to
50 Can you turn _ the light? It’s too dark 50………
A for B off C in D on
EXERCISE 2: COMPLETE THE FOLLOWING SENTENCES WITH THE APPROPRIATE WORD GIVEN IN THE BRACKET
1. Water is going all over the floor because of the _ faucet (drip) 1………
2. Mrs is _ about her water bill (worry) 2………
(5)6. To keep the air unpolluted, people ought to use energy to create electricity (sun) 6……… 7. In a few years’ time, our houses will be by solar energy (hot) 7……… 8. Here is the weather forecast for tomorrow Ha Noi will be clear and _ (cloud) 8……… 9. Solar energy can be used on days (cloud) 9……… 10.Solar energy doesn’t cause _ (pollute) 10……… 11.Don’t turn on the lights on when we to bed It wastes _ (electric) 11……… 12.Televisions, washing machines and freezers are electrical _ (apply) 12……… 13. are demanding They want products that are both cheap and good (consume) 13……… 14.We suggest _the light bulb It is broken (replacement) 14……… 15.Fuel can be cut down by having fewer cars on the roads (consume) 15………
16.The law is no longer (effect) 16………
17.I’m pleased that my secretary solves the problem (effect) 17……… 18.There have been many in the field of electrical engineering (innovate) 18……… 19.No doubt that there will be a great of food for the world’s population (short) 19……… 20.In Western countries, electricity, gas and water are not luxuries but (necessary) 20………… 21.Consumers always want cheap and effective (produce) 21……… 22.The consumers want products that will not only work _ but also save money (effect) 22………… 23. Scientists are looking for an way to reduce energy consumption (effect) 23……… 24 What can we to spend less on ? (light) 24……… 25 All buildings will be _ by solar energy (hot)
25………
26 Remember off all the lights before going out ( turn) 26………
27 Let’s get a plumber _ sure there are no cracks in the pipes (make) 27………
28 They are interested in money and natural resources (safe) 28………
29 Solar energy can _ on cloudy days (useful) 29………
30 Energy saving bulbs should be used _electricity (safety) 30………
EXERCISE 3: READING
1 Choose the word (A, B, C or D) that best fits the blank space in the following passage.
Energy is very (1) in modern life People use energy to (2) _ machines, heat and cool their homes, cook, give light, transport people and products from place to place (3) _ energy nowadays comes from fossil fuels such as petroleum, coal and natural gas However, burning fossil fuels cause pollution Also, if we don’t find new kinds of energy, we will (4) _all the fossil fuels in the twenty-first century Scientists are working to (5) other kinds of energy for the future What might these sources of energy (6) _?
1.A important B bad C well D unimportant 1………
2 A get B close C state D run 2………
3 A Most of B Most C Nearly D Majority 3………
4 A make up B turn up C use up D pick up 4………
5 A look up B find C look after D take care of 5………
6 A be B is C are D will be 6………
2 Choose the word (A, B, C or D) that best fits the blank space in the following passage.
Do you run the faucet while you (1) _ your teeth? Do you know that you are wasting the water? Whenever you turn on the faucet, think (2) _ you’d feel if you had to carry that water from a well! Then you’ll remember not to run extra water while brushing teeth Is there litter around your school or at the park? Litter doesn’t look nice but some litter can be harmful to other creatures Always put litter in trash (3) and be sure to recycle all the aluminum and steel cans Look for the triangle at the bottom of the plastic containers If you see the numbers or in the triangle, the plastic item can be (4) _
Even something as simple as using both sides of the piece of paper can help the earth (5) _ you are finished with a school worksheet, use the back of the paper for drawing or feed it back into printer to use for another worksheet You can (6) electricity by turning off the computer or other electronics when they are not being used and don’t forget to turn off the lights when you leave a room
1.A make B C brush D take 1………
2.A of B about C on D for 2………
(6)4.A reused B reduced C returned D recycled 4………
5.A What B Who C When D Where 5………
6.A protect B save C waste D spend 6………
3 Read the following passage and write True or False
Energy is very important in modern life People use energy to run machines, heat and cool their homes, cook, give light, transport people and products from place to place Most energy nowadays comes from fossil fuels –petroleum, coal, and natural gas However, burning fossil fuels causes pollution Also, if we don’t find new kinds of energy, we will use up all the fossil fuels in the twenty first century Scientists are working to find other kinds of energy for the future What might these sources of energy be?
1 Energy is collected for use in their homes 1………
2 We burn coal to produce electricity 2………
3 Air pollution comes from the burning of fossil fuels 3……… Scientists aren’t doing research into alternative energy sources 4………… Read the following passage and write True or False
When man first learned how to make a fire, he began to use fuel for the first time The first fuel he used was probably wood Coal was not used very widely as a source of energy until the last century With the coming of the industrial revolution, it was soon realized that production would double if coal was used instead of wood Nowadays, many of the huge factories and electricity generating stations would be unable to function if there were no coal In the last twenty or thirty years, however, the use of coal has declined As a result, there have been changes in the coal industry It is believed that more people would use coal if oil and gas were not so readily available
1 Man used wood as the first fuel 1………
2 Coal was used widely in the last century 2………
3 Coal is very important for factories and electricity generating stations 3……… There have been no changes in the coal industry 4……… EXERCISE 4: Rearrange the groups of words in a correct order to make complete sentences unpolluted/ must/ We/ learn/ keeping/ the environment/ about/ /./
………
2 going/ I/ suggest/ to/ this weekend/ the countryside/ /./
………
3 the lights/ turning off/ about/ the room/ What/ when/ going out/ in/ /?/
………
4 practice/ you/ speak well/ your English/ If/ regularly,/ will/ you/ /./
………
5 studied/ he/ hard,/ he/ Because/ passed/ the/ easily/ test/./
………
EXERCISE 5: REWRITE THE FOLLOWING SENTENCES, START WITH THE WORDS GIVEN AND DO NOT CHANGE THE ORIGINAL MEANINGS.
A MAKING SUGGESTION
1 He suggested using energy – saving appliances
à He suggested that ………
2 How about taking a shower instead of a bath to save energy?
à I suggest that ………
3 I suggest that we should use the public transport instead of the private ones
à Why don’t we………
4 Mrs Ha suggests using some tool to check cracks in the pipes
What about ………
Let’s use electricity economically
Why ………
6 Let’s protest against the use of nuclear power
à How about ………
7 Why don’t you ask her yourself?
àI suggest ………
8 Why don’t we collect unused clothes for the victims of the natural disaster?
àShall ………
9 Let’s go by bus instead of taxi
Why not ………
(7)He suggested that ………
B CAUSATIVE FORM
1 Mrs Mi suggests getting a plumber to make sure there are no cracks in the pipes
à Mrs Mi suggests having ………
2 You can reduce the amount of exhaust fume by having a mechanic check your motorcycle regularly
à You can reduce the amount of exhaust fume by getting ………
3 A plumber checked the electrical wire system in my house for me
à I had ………
4 Mrs Ha has asked a plumber to check the pipes in her house
à Mrs Ha has had ………
àMrs Ha has had ………
5 They usually get a mechanic to check their car
à They usually get……….
C OTHER STRUCTURES
1 Mary is both intelligent and beautiful
à Marry is not ……….
2 Who looked after your house when you were away?
Who ………
3 Hoa failed her math test She has to the test again
à Hoa failed her math test Therefore, ……….
4 Many people are interested in helping elderly people and war invalids with their chores
à Many people are fond ……….
5 She is excited about seeing good response from your company
à She is looking ………
6 Remember to turn off the faucets
à Don’t ………
7 Do they have to look after the school garden every Saturday?
à Do you have to take ………
8 The factory recycles tons of waste paper every day
àTons of waste paper ………
9 Solar panels have been placed on the roof of a house
People have ……….
10 They continued to work in spite of the rain