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e helpful to=be useful for 9 leaves of trees 10 fighter against pollution (n) fight against pollution (v) 4. 事實(shí)上 5. 環(huán)顧四周 6 由 ……制成 ;數(shù)以百萬(wàn)計(jì)的 8. 對(duì) ……有好處 9 樹(shù)葉 11 provide sb with sth provide sth for sb=offer sb sth =offer sth to sb 12 harmful gases 13 interview sb ( about sth) 14 daily life (pl) daily lives 15 know about 16 in many ways 17 keep…cool 18 produce oxygen 19 make…convenient 20 get …from 21 cut down trees 22 stop sb (from) doing 23 home to sth 24 be harmful to=be bad for 11 給。提供 12 有害氣體 13 采訪某人 14 日常生活 15 了解關(guān)于。 16 在很多方面 17 保持涼爽 18 產(chǎn)生氧氣 19 使。方便 20 從。得到 21 砍倒樹(shù) 22 阻止某人做某事 23 。的家園 24 對(duì)。有害 Revision : 1 是。的家園 ___________________ 2 讓。保持 ____________________ the home to keep sth +adj 3 be made of amp。 be made from be made of 表示“用 ……制作( _______)” be made from 表示“用 ……制作( _______)” The desk is made ________ wood. Paper is made ________ wood. of from 4. stop doingamp。 stop to do stop doing sth. 意為“停止做某事”。 stop to do sth. 意為“停下來(lái)去做某事”。 You look tired. Why not stop ________ (have) a rest? I should stop ________(have) a rest now. I ha