Topic 1 1. the flowers and grass have gone.
2. There be + sth./sb. Doing sth. 有某人或某物正在做某事 3. Pour… into… ; air/soil/light/noise/pollution/litter 4. Be harmful to sb./sth. do harm to
5. Breathe v./ breath n. / breathe in 吸入/ breathe out 呼出
6. How long have u been like this? I ‘ve been like this since last week. 7. In a good/ bad mood can’t stand sth./doing sth. 8. Not + all, every及其派生词,均表示部分否定 9. No better than… 和…（几乎）一样坏
10. Effect have an (no) effect on sth. 11. Make sb. do sth. 使某人做某事 Topic 2 1. leave rubbish here and there/ spit anywhere in public/ walk on grass/ pick
flowers/ care for/ wild aninals/as a result/ 2. The wind is blowing strongly with lots of sand.
3. Cut down砍到/ change into变成/ wash … away…/remember to do sth./ stop
(from) doing sth./ prevent (from )doing sth. / millons of/ be good for/ be bad for/take up/ realize / cut off 4. Collect/ reuse/ save/ protect/ recycle 5. Sth. be important to sb. 6. How+ deal with/ what + do with
7. We should do everything we can to protect the environment Topic 3 1. Work for
2. Rs- reduce, reuse, recycle
3. We should use both sides of paper and reuse plastic bags.
4. I think recycling can not only protect the environment but also save money.
5. You ought to (should) turn off the lights when you leave a room.
6. You’d better walk or ride a bike instead of taking a bus or a taxi if you travel a
short distance. 7. Save energy and reduce air pollution 8. Take a cloth bag when u go shopping. 9. Easier said than done.
10. Actions speak louder than words. 11. Reduce waste. 12. Save electricity.
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