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46..a. much b. more c. little d. less
47.a. energy b. electricity c. water d. time
48.a. when b. what c. how d. while
49.a. ways b. sides c. parts d. points
50.a. Reusing b. Reducing c. Recycling d. Reacting
IV, Write a suitable word in each blank to complete the passage.
Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle! When people reduce it means they are using (1)……less………. of something. This allows us to create less waste. Turning off the (2)……faucet…………. when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting water. Another small action people can take is to reuse things we already have. Taking bags to the store when we shop for food is one way to reuse them. Using both (3)………sides…….. of piece of paper before getting a new one is another way to reuse. (4)………Recycling………. is when new materials are created from old ones. Paper, plas, and metalare all materials that can be recycled. Things newspapers, soda cans, and plas bags can all be turned into new objects if we take the time to recycle them!
IV, Write a suitable word in each blank to complete the passage.
Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle! When people reduce it means they are using (1) little of something. This allows us to create less waste. Turning off the (2) water when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting water. Another small action people can take is to reuse things we already have. Taking bags to the store when we shop for food is one way to reuse them. Using both (3) when of piece of paper before getting a new one is another way to reuse. (4) recycling is when new materials are created from old ones. Paper, plas, and metalare all materials that can be recycled. Things newspapers, soda cans, and plas bags can all be turned into new objects if we take the time to recycle them!
Điền từ thích hợp vào chỗ trống :
1. ________ you swim when you were ten ?
A. Can B. Could C. Will D. Might
2. We should use ________ pens and pencils to reduce rubbish.
A. Reliable B. Reusable C. Refillable D. Sociable
3. We should use ________ to save natural resources.
A. Oil B. Solar energy C. Coal D. gas
4. __________ means creating new products from used materials.
A. Reduce B. Reuse C. Recycle D. Rebuild
Choose the best answer for each of the following sentences.
1. We should use reusable water bottles_________of plastic ones.
A. because B. instead C. despite D. however
2. Walking to school will help ________ air pollution.
A. refill B. reuse C. recycle D. reduce
3. The prefix re-in the world reuse means ________.
A. again B. none C. for D. against
4. We should go to school by bike to _________ the energy.
A. save B. protect C. pollute D. spray
5. One of the bad things about ________ is that it can make fish die.
A. noise B. soil pollution
C. water pollution D. air pollution
6. We should find creative ways to reuse old items before _________ them away.
A. breathing B. washing C. hearing D. throwing
7. If there is an earthquake, the villagers ________ in the shelter.
A. will stay B. stay C. stayed D. would stay
8. The town will flood if there ________ a downpour.
A. would be B. is C. was D. will be
9. If the weather _________ good, Linh __________ out with us.
A. is - goes B. will be - goes
C. is - will go D. will be - will go
10. The bear _________ you if you __________ it.
A. attacks - provoke B. will attack - provoke
C. attacks - will provoke D. will attack - will provoke
mk nghĩ là B