4. A …………..faucet can waste a lot of water a month.
A. running B. dripping C. cutting D. dropping
5. Energy can be collected by solar …………….on cloudy days.
A boards B panels C bars D sheets
6. All the houses in our villages will be ……………..by the solar energy.
A heated B spoiled C frozen D widened
7. In my family, lighting accounts ………..20% of the electricity bill.
A. of B. to C.in D for
8. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(an)…..... bulb.
A. energy-saving B energy-save C saving-energy D save-energy
9. Paul isn’t going to the concert ………………the tickets are too expensive.
A though B however C because D and
10. Nga is very tired. …………., she has to finish her homework before she goes to bed.
A Though B Because C Therefore D However
11. “My father couldn’t fix the TV set”. “....................send for a repairman?”
A. Let’s B. What about C. Why don’t you D. I suggest
12. An enormous amount of money has been waste in this project.
A. very important B. very large C. very small D. very limited
13. Ultimately, you ‘ll have to make the decision yourself.
A. Consequently B. Basically C. Generally D. Finally.
14. .................can be cheap, clean, effective source of power that doesn’t cause pollution.
A. Nuclear B. Gas C. Solar energy D. Coal
15. Nga failed her English exam. .................., she had to do it again.
A. Because B. But C. Therefore D. However

1. Energy can be collected by solar __________ on cloudy days.

A. tools B. bars   C. boards D. panels

2. In some parts of the country raw ______________________is pumped straight in  the ocean.

  A. treasure B. junkyard C. foam D. sewage

3. The crops are regularly____________________  with pesticides.

A.  sprayed B. dissolved C. collected D. reduced

4. Many of the workers have been __________________________by machines.

A. replaced B. reduced C. reused D. recycled

7. In our family, lighting accounts __________________ 15 to 20 percent of the electricity bill.

A. about B. on     C. for D.  of

10. "Could you give me a lift home tonight?" -"_____________________!"

A. OK,here you are! B. Sure, I’ll make it. C. Sure, my dear! D. Bad thing!

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. effect

B. effective

C. effectively

D. effectiveness

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. streets

B. grounds

C. roofs

D. suns

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. power

B. energy

C. nuclear

D. panels

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. polluted

B. pollute

C. pollution

D. unpolluted

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. eletric

B. electrical

C. electrician

D. electricity

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. power

B. nuclear

C. electricity

D. source

Read the paragraph and choose the best answer.

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 energy from our sun. At present, most of our …..……(3) comes from the use of coal and gas, oil or nuclear power. This power could be provided by the sun. One percent of the solar energy that reaches the earth is enough to provide………(4) for the total population. Many countries are already using solar energy. Solar panels are placed on the ……..(5) of our house and the Sun’s (6) ….is used to heat water. The energy can be…………….(7). For a number of days, so on cloudy days you can use (8)………. energy, too.

A. store

B. storege

C. storing

D. stored