2020高中英语 短语知识点 Unit 2 Working the land学案 新人教版必修4

Book 4 Unit 2 Working the land一，几种表省略的句式1. If ever:如果曾经发生过的话,常与seldom 连用如：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 如果有的话=if there is/areThere are, if any(if there are any mistakes), few mistakes.3. If so: 如果这样的话。so代表前面整个表肯定句子。4. If not:如果不这样 not 代替前面整个否定的句子 5. If possible =If it is possible二，名词性从句复习引导名词性从句的连接词可分为三类：连接词：that, whether, if (不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom, whose, which（哪一个）.（主语或宾语）连接副词：when, where, how, why，wherever, whenever,however（状语）,与定语从句的区别名词性从句 which 哪一个 定语从句:which 指代某物或某情况2.名词性从句 that-只起连接 定语从句that-主语或宾语3. what, how 不用于定语从句 what=all that重点单词1.struggle for为而奋斗fight against为反对而斗争 struggle to ones feet挣扎着站起来2. reduce.to.减少到 reduce by 减少了rise/increase to增加到 rise/increase by增加了 be on the rise 在上升，在上涨3.supply sb. with sth.供应，供给（强调必需品）=supply sth.to sb.in short supply 供应不足 supply and need:供需易混辨异 与 provide； offer（意思，结构上的区别）(1)provide 提供 provide sth. for sb./ provide sb. with sth.（2）offer: 主动提供 offer sb. sth.或 offer to do sth.；offer 还可表示“出价，开价”4. equip vt. & vi.装备； 配备1) equip.with.用装备(或提供）(be equipped with)如：equip the office with computers; equip children with education(给孩子提供教育）2）equip.for sth.为了而装备（准备）如： They equipped themselves for the expedition 他们为远征作好装备A good education should equip you for your life3)equipment n. 装备；设备(不可数名词)5.expand v. 扩大；增强易混辨异 expand, extend, spread, stretch(1)expand （尺寸,范围的）扩大，膨胀，展开。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 （时间和空间）伸出，延伸如; extend a fence 扩建篱笆The road extends for miles . 这条路绵延数里(3)spread 传播，散布。(4)stretch 伸展，拉长,一般指由曲变直不是加长。如; He woke up and stretched.他醒来后，伸了伸懒腰。6. regret to do sth. 遗憾/抱歉要去做 (现在）regret doing sth. 后悔曾经做过某事（过去）remember to do :记得要做某事（将来） remember doing : 记得曾经做过某事（过去）forget to do；忘记要做某事（过去） forget doing；某事做过但忘了（过去）meant to do: 打算做某事 mean doing；意味着做某事try to do ； 尽力做某事 try doing；尝试做某事7. due1)应付的，到期的 The rent is due tomorrow2)应有的，正当的，适当的 make due contributions to our country 作出应有的贡献in due time:在适当的时机3)应到的，预订的,约定The plane is due at 8. Mr.Hill will be due to lecture twice tomorrow.4)due to 因为，由于, 不可位于句首。8.lead to 导致；通向 lead sb. to do sth.使某人做某事take the lead 带头；居首位 leading 主要的，重要的 leading characters :主人公；重要角色as heavy as lead 铅一般地沉重，非常重（此处lead： 铅）9. export 出口 import 进口exotic 由外国引进的，exclude；把某人排除在外，include 包括在内 ex-wife:前妻10. therefore= consequently=ac