35. combine A with B　 結(jié)合　　　 apply theory to practice

34. collect sth 收集　 collect money = raise money 募集　

make money = earn money　

have a large collection of　 有…收藏

33. the clue to sth　 線索　 　　　　　thread the clues 把線索串起來(lái)

32. my close friend 我親密的朋友　　　　　 take /have a close looked at 仔細(xì)看

make a close study of 仔細(xì)研究　　　　　 be close to = be next to 在…附近

be close to 將近，幾乎　 He is closer to tears.　 close down 關(guān)閉　

close down on 禁止, 取諦

31. My watch keeps the time.　 The watch gains/loses 2 minutes.　

Set the clock to the right by the radio.按照收音機(jī)把時(shí)間撥準(zhǔn)。

30. clear the classroom　　 the clear water 清澈河水　　

clear away 把…清除掉

It is clear that...　　　

Make it clear that...　　　　

Is the road clear ?道路暢通無(wú)阻嗎？

Please clear the room before their arrival.　　 clear the snow from the path. 　清除　

clear the stones from the garden.　　 clear one's throat 清嗓子　

The clouds have cleared away.云散開(kāi)。clear up the problem 解決問(wèn)題It will clear up soon天放

29. classify 分類(lèi)　 The books in the library are classified according to subject. 按科目分類(lèi)

28. claim to do　　 claim that　 宣稱(chēng)　 claim sth 認(rèn)領(lǐng)…　

27. civil rights 公民權(quán)力　　 civil duties 公民義務(wù)

26. in/under no circumstances = on no account = in no case　 決不=in no way=by no means

Under no circumstances should you lend him any money.in reduced circumstances 艱苦環(huán)境下