Bài tập môn tiếng anh lớp 9 (117)

BÀI TẬP TỰ LUẬN TIẾNG ANH LỚP 9 UNIT 7 SAVING
ENERGY
I. Each sentence has a mistake find and correct it.
1. I wish I can go to the cinema with you tonight.
2. He asked me if I know that man over there.
3. We are used to live next door to each other at one time.
4. Printing was invented by the Chinese.
5. There was little traffic, so the journey didn’t take very long.
6. The number of the books in the library has risen to over five million.
7. If I had his phone number here, I will give it to you immediately.
8. My aunt has begun taught English for twenty years.
9. He became interest in reading while he was working in the city library.
10. My father has retired three years ago and he is now living on his pension.
II. Rewrite these following sentences into conditional Sentences
1. They don’t behave themselves so their parents are not happy about that.
→ If ……………………………………………………………………………………………………………….……………………….
2. She didn’t say sorry so he was angry.
→ If ……………………………………………………………………………………………………………….……………………….
3. I am not a rich businessman and I can’t afford to buy an expensive car.
→ If ……………………………………………………………………………………………………………….……………………….
4. It rained last night so I didn’t go to the barbecue.
→ If ……………………………………………………………………………………………………………….……………………….
5. My parents do not allow me to go, so I have to stay at home.
→ If ……………………………………………………………………………………………………………….……………………….
6. She doesn’t pay attention to her cooking so the food is horrible.
→ If ……………………………………………………………………………………………………………….……………………….


7. The weather was very nice so we didn’t go camping.
→ If ……………………………………………………………………………………………………………….……………………….
8. The computer broke down and I had to stop my work.

→ If ……………………………………………………………………………………………………………….……………………….
9. She loves him so she forgives him easily.
→ If ……………………………………………………………………………………………………………….……………………….
10. He was angry so I didn’t say anything.
→ If ……………………………………………………………………………………………………………….……………………….
III- Fill in the blank space with the correct from of the words in parentheses :
1. They live............................................... in a small village.

(Happy)

2. You should spend your money and energy as.......................... as possible.
(Economy)
3. You can buy waste ........................... made from this factory.
4. This library is open to all..................................................... .
5. Air and water are...................................... in our life.

(Produce)
(Read)

(Necessary)

6. My brother can repair electric................................ very well.

(Apply)

7. These .............................. will conserve the earth. (Innovate)
8. Since the world’s energy resources are limited, we must ................ them.
(Conservation)
9. We suggest ........................... the light bulb. It is broken.

(Replacement)

10. To keep the air unpolluted, people ought to use .................energy to create electricity.
(Sun)
VI- Join each of the following pairs of sentences with “or, and, but, so or because”
1. I told a joke. Nobody laughed.
................................................................................................................................................
.......
2. You must study harder. You will go into another class.
................................................................................................................................................
.......


3. The city suffers from air pollution. The city suffers from water pollution.
................................................................................................................................................
.......
4. I knew her family. I did what I could for her.
................................................................................................................................................
.......
5. We can’t afford energy-saving light bulbs. The light bulbs are too expensive.
................................................................................................................................................
.......
V. Put the verbs in the right tense or form
1. If he (learn) ____________ to drive, he would be able to drive his car.
2. They will lose their way if they (not have) _____________ a map.
3. If the students (attend) _________ Quang Trung school, they have to wear uniform.
4. Frogs and toads (die) __________ a lot if people continue to use electricity to catch
fish.
5. If Lan (not have) __________ a bicycle, she will not go camping with us.
6. His father would buy that house if it (not be) ______________ expensive.

7. If students do not throw plastic bags anymore, our school yard (clean) ___________.
8. I would do the test in five minutes if it (not be) _____________ difficult.
VI. Complete the sentence with the one word given below. One word can be used for
more than one sentence: for/ up/ after/ on/ off/ away/ in
1. Who’s going to look ______ the children while you’re away?
2. “Turn ______ the TV for me, will you? I want to watch the cartoon.
3. She’s looked ______ her keys everywhere.
4. Turn ______ the radio. I’m working.
5. If we go ______ littering, the environment will become seriously polluted.
6. Don’t throw these newspapers ______.
7. Could you fill ______ this form?
8. Don’t wake the baby ______. Let him sleep.


9. Don’t believe her. She’s just made ______ the story.
10.

Susan took ______ her coat and put it on the sofa.

VII. Fill in the blanks with proper words, then answer the following questions.
power – effective – nuclear – advanced – pollution
heat – stored – electricity – energy - panels
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 (4) ________ comes from the use of coal and gas, oil or (5)
________ power. This power could be provided by the Sun. one percent of the solar
energy that reaches the Earth is enough to provide (6) ________ for the total population.
Many countries are already using solar energy. Solar (7) ________ are placed on the
roofs of a house and the Sun’s energy is used to (8) water. The energy can be (9)

________ for a number of days, so on cloudy days you can use solar energy, too.
Sweden has an (10) ________ 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.
1) Is the solar energy an efficient source of power?

………………………………………………………………………………………………
………….
2) Where are the solar panels placed?

………………………………………………………………………………………………
………….
3) How long can the energy be stored?

………………………………………………………………………………………………
………….
4) Is the solar energy used in Vietnam now?