UNIT 7. SAVING ENERGY
I/ STRUCTURE AND VOCABULARY
1.Can you turn ……………………..the light? It’s too dark.
a.on b.off c.in d.for
2.I suggest ……………………..showers.
a.take b.taking c.to take d.to taking
3.What are you looking ………………………..? My picture book. I’ve lost it.
a.on b.off c.in d.for
4.A new air-conditioner will be …………………….this morning.
a.to intall b.installed c.installing d.install
5.Scientists are looking for an …………………..way to reduce enegy consumption.
a.effect b.effection c.effective d.effectively
6.They are completely short of water now.A number of people have died because of this ………
a.shortage b.short c.shorten d.shortly
7.If you want to save money, you should ………………the amount of water your family uses.
a.increase b.reduce c.adapt d.repair
8.In order to save electricity, an ordinary 100-watt light bulb can be replaced by ……………..
a.an energy-saving bulb b.an energy-save bulb c.a saving energy bulb d.a save-energy bulb
9.You should get a (n)……………….to make sure there are no cracks in the pipes.
a.plumber b.mechanic c.electrician d.consumer
10……………….take the train instead of the bus? It’s faster.
a.Why not b.Why don’t c.How about d.Let’s
11.If we ………………..less paper, we ……………..in the forests.
a.used/ will save b.will use/ can save c.can use/ save d.use/ can
12.She won’t take all the suitcases ……………………..she likes to traval light.
a.so b.but c.because d.therefore
13.She is very tired; ……………………….., she has to finish her homework.
a.moreover b.so c.and d.however
14.Is he an actor ………………………..a singer? An actor
a.and b.or c.with d.so
15.He was tired, …………………he took a rest before continuing the work.
a.so b.and c.but d.if
16.Who looks ………………………your children when you are away from home?
a.for b.at c.after d.to
17.Why doesn’t she go ………………………with her university study?
a.in b.at c.to d.on
18.After coming home, she cleaned the floor …………………….cooked dinner.
a.but b.however c.moreober d.and
19.They didn’t understand the matter …………………….she didn’t ask for help.
a.but b.however c.moreover d.and
20.How about …………………posters on energy saving and hanging them around our school?
a.make b.making c.to make d.to making
II/ CONJUGATE THE VERBS
1.I suggest ………………………..some money. ( collect )
2.What about …………………….a shower instead of a bath to save energy. ( take )
3.I think we should ……………………off the faucets. ( turn )
4.If we plant more trees along the streets, we ……………..more shade and fresh air. ( have )
5.If the pollution ………………on, the world will end up like a second-hand junk-yard. (go)
III/ FILLING EACH GAP WITH A SUITABLE PHRASAL VERB
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Turn on – turn off – look for – look after – go on – look forward to – put off
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1.Hanh can’t go to the movies with us tonight. She will have to ………………her little sister.
2.If we …………………wasting water, there will be a shortage of fresh water in a few decades.
3. “ ………………..the TV for me, will you? I want to watch the weather forecast.”
4. “ I think I’ve lost my new pen. I’ve ………………….it eveywhere.
5.Mrs. Yen forgot to ……………………..the faucets when she letf for work.
6.I am ……………………………hearing from you.
7.Never put …………………..till tomorrow what you can do today
IV/ MATCHING UP
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1….plumber
2….energy
3….solar
4….innovation
5….enormous
6….turn off
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a.switch off
b.of or using the sun
c.a person whose job is to fix and repair things like water pipes and baths
d.the power from electricity, gas, coal, ect that is used to make things work
e.a new idea, method
f.very big or very large.
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V/ GIVE THE CORRECT WORD FORM:
1.There is a …………………….faucet in your kitchen. ( drip )
2.We can protect the environment by ………………….air pollution. ( reduce )
3.I am very …………………because they use electricity to catch fish. ( worry )
4.I want to see the …………………..of environment from the local authority. ( protect
VI/ GAP-FILLING
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Power – effective – nuclear – advanced – pollution – heat – energy - panels
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Are you looking for a cheap, clean, ……………..(1) source of power that doesn’t cause …………………(2) or waste natural resources? Look no further than solar …………….(3) from our sun. At present, most of our electricity comes from the use of coal, gas, or ……………(4) power. This power could be provided by the sun. One percent of the solar energy that reaches the Earth is enough to provide ……………….(5) for the total population.
Many countries are already using solar energy. Solar ……………(6) are placed on the roof of a house and the Sun’s energy is used to …………..(7) water. The energy can be stored for a number of days, so on cloudy days you can use solar energy too.
Sweden has an ……………..(8) solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015.
Questions
1.Is the solar energy an effective source of power?
-………………………………………………………………………………………
2.Where are the solar panels placed?
-…………………………………………………………………………………….
3.How long can the energy stored?
-…………………………………………………………………………………….
4.Is the solar energy used in Vietnam now?
-………………………………………………………………………………………
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Energy – money – electricity – machines – by – save – how much – in
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For most North American households, lighting accounts for 10 percent to 15 percent of the …………………..(1) bill. However, this amount can be reduced……………….(2) replacing an ordinary 110-watt light bulb with an …………………(3) saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore consumers can …………………(4) about US$ 7 to $21 per bulb.
In Europe, there is a labeling scheme for refrigerators, freezers, washing ………………..(5) and tumble dryers. The label tells the consumers …………………(6) energy efficicent each model is, compared with other appliances ……………………(7) the same category.
Ultimately, these innovations will save ………………….(8) as well as conserving the Earth’s sources.
VII/ COMPLETE THE SECOND SENTENCES
1.It was raining, so we decided to postpone our camping.
- Since ……………………………………………………………………
2.She wants them to sing a song
-She suggests they ……………………………………………………
3.She couldn’t join us because she was busy.
-She was busy, so ……………………………………………………..
4.Shall we go to the cinema tonight?
-What about ………………………………………………………….
5.Why don’t we use energy-saving bulbs?
-I suggest …………………………………………………………….
6.Although she was not beautiful, she took part in a beauty contest.
-She wasn’t beautiful but …………………………………………….
7.Work hard and you will pass the exam.
-If you …………………………………………………………………
8.If you don’t start working hard now, you won’t be able to pass the final exam.
-Unless ………………………………………………………………………….
9.We are delighted. You passed your English exam. ( Adj + that )
-We are delighted ………………………………………………………………..
10.She was tired and therefore she wanted to go home.
-She wanted to go home because ………………………………………………….
1; electricity
