Chapter Two Pollution Fighters

4) policemen make our __________ safe.5) the _________ people should always look forward.6) my pet dogs are dying. can’t you make them __________?7) i make a ____________ by teaching in a middle school.

9. what good are trees? = what is the good of trees? 樹有什么好處呢？

10. make streets more beautiful and less noisy

11. noise (n.) / noisy (adj.) / noisily (adv.)

12. else (adj.) 其它的 (置于疑問代詞或不定代詞后)

           e.g. what else can they do?  do you want to buy anything else?

   other (adj.) 其它的 (置于名詞前) e.g. we study chinese, math, english and other subjects.

13. suppose (v.) = think something to be true 

e.g. i suppose you felt tired after running the marathon (, didn’t you?).

   suppose = pretend that something is true

e.g. suppose you had a million dollars, what would you do?

14. enjoy breathing pure, cool air  (enjoy doing sth)

15. breath (n.) [breθ]/ breathe (v.) [bri: ]

exercises: 1) people ________ slowly when they are sleeping.2) you can see people’s ___________ on a cold day.3) i need a _________ of a fresh air.4) the doctor told me to __________ in and __________ out again slowly.

16. thank sb for sth.  e.g. thank you for your help. / thank you for helping me.

17. natural air conditioners 自然空調  (nature / natural)

18. take harmful gas from the air

19. release oxygen into the air

20. one and a half hectares of tree 一公頃半的樹木

21. produce enough oxygen to keep your whole class alive and healthy for a year

產生足夠的氧氣供你們全班學生一年時間的存活和健康成長

22. trees cool the air as well as clean it.

   as well as… = besides / in addition to

e.g. on sundays, his farm provided lunch as well as breakfast.

    it is important for you as well as for me.

    father as well as his children hasn’t been to euro disney. (遠離原則)

    william shakespeare was an actor as well as a play writer. (強調前者)

    = william shakespeare was not only a play writer but (also) an actor. (強調后者)

23. three trees can do the jobs of 15 air conditioners running (=as they are running ) almost all day.

24. know a lot about trees

25. attack a tree 攻擊樹   attract one’s attention引起某人注意

26. warn its neighbors

27. warn sb of sth./sb  warn sb against doing sth

e.g. the policeman warned us against running across the road.警察警告我們不要跑著過馬路。   they warn people against destroying trees. 他們警告人們不要破壞樹木。