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1、Book 4 Unit 2 Working the land一，幾種表省略的句式1. If ever:如果曾經發(fā)生過的話,常與seldom 連用如：She seldom, if ever（=if she has ever been to the cinema), goes to the cinemaThe island is seldom, if ever (=if the island has ever been visited by ships), visited by ships.2. If any 如果有的話=if there is/areThere are, if any(if th

2、ere are any mistakes), few mistakes.3. If so: 如果這樣的話。so代表前面整個表肯定句子。4. If not:如果不這樣 not 代替前面整個否定的句子 5. If possible =If it is possible二，名詞性從句復習引導名詞性從句的連接詞可分為三類：連接詞：that, whether, if (不充當從句的任何成分）連接代詞：what, whatever, who, whoever, whom, whose, which（哪一個）.（主語或賓語）連接副詞：when, where, how, why，wherever, whene

3、ver,however（狀語）,與定語從句的區(qū)別名詞性從句 which 哪一個 定語從句:which 指代某物或某情況2.名詞性從句 that-只起連接 定語從句that-主語或賓語3. what, how 不用于定語從句 what=all that重點單詞1.struggle for為而奮斗fight against為反對而斗爭 struggle to ones feet掙扎著站起來2. reduce.to.減少到 reduce by 減少了rise/increase to增加到 rise/increase by增加了 be on the rise 在上升，在上漲3.supply sb. w

4、ith sth.供應，供給（強調必需品）=supply sth.to sb.in short supply 供應不足 supply and need:供需易混辨異 與 provide； offer（意思，結構上的區(qū)別）(1)provide 提供 provide sth. for sb./ provide sb. with sth.（2）offer: 主動提供 offer sb. sth.或 offer to do sth.；offer 還可表示“出價，開價”4. equip vt. & vi.裝備； 配備1) equip.with.用裝備(或提供）(be equipped with)如：equ

5、ip the office with computers; equip children with education(給孩子提供教育）2）equip.for sth.為了而裝備（準備）如： They equipped themselves for the expedition 他們?yōu)檫h征作好裝備A good education should equip you for your life3)equipment n. 裝備；設備(不可數(shù)名詞)5.expand v. 擴大；增強易混辨異 expand, extend, spread, stretch(1)expand （尺寸,范圍的）擴大，膨脹，

6、展開。如; Metals expand when they are heated. Our foreign trade has expanded recently.As children grow older they expand their interests and become more confident.(2)extend （時間和空間）伸出，延伸如; extend a fence 擴建籬笆The road extends for miles . 這條路綿延數(shù)里(3)spread 傳播，散布。(4)stretch 伸展，拉長,一般指由曲變直不是加長。如; He woke up an

7、d stretched.他醒來后，伸了伸懶腰。6. regret to do sth. 遺憾/抱歉要去做 (現(xiàn)在）regret doing sth. 后悔曾經做過某事（過去）remember to do :記得要做某事（將來） remember doing : 記得曾經做過某事（過去）forget to do；忘記要做某事（過去） forget doing；某事做過但忘了（過去）meant to do: 打算做某事 mean doing；意味著做某事try to do ； 盡力做某事 try doing；嘗試做某事7. due1)應付的，到期的 The rent is due tomorrow

8、2)應有的，正當?shù)?，適當?shù)?make due contributions to our country 作出應有的貢獻in due time:在適當?shù)臅r機3)應到的，預訂的,約定The plane is due at 8. Mr.Hill will be due to lecture twice tomorrow.4)due to 因為，由于, 不可位于句首。8.lead to 導致；通向 lead sb. to do sth.使某人做某事take the lead 帶頭；居首位 leading 主要的，重要的 leading characters :主人公；重要角色as heavy as lead 鉛一般地沉重，非常重（此處lead： 鉛）9. export 出口 import 進口exotic 由外國引進的，exclude；把某人排除在外，include 包括在內 ex-wife:前妻10. therefore= consequently=accordingly=thus= As a consequence11. born into a poor family 出生于貧困家庭12. be rich/abundant in:富含 China is abundant in natural resources.