2018高考英语人教版大一轮复习课件必修四U2共63张.ppt

原句 This special strain of rice makes it possible to produce one third more of the crop in the same fields.这种特殊的稻种使得同样的田地多收获三分之一的产量。(B4, P10) 1. make it possible (for sb.) to do使(某人)做某事成为可能 例句 The Internet has made it possible for us to get more information in much less time. 因特网已经使我们用更少的时间获得更多的信息成为可能。 仿写 根据汉语意思完成英文句子。 ⑴ 这些新技术将使得从废弃物中回收可用之物成为可能。 The new techniques _____________ ____________recycle usable things from waste． will make it possible to ⑵ 过去的几十年，先进的医疗技术已经使得人们比过去活得更长成为可能。 In the last decades，advances in medical technology ______________ ______________________________ than in the past． have made it possible for people to live longer 原句 Using his hybrid rice farmers are producing harvests twice as large as before.用他的杂交水稻种子, 农民们种出比以前多一倍的粮食。(B4, P10) 2. 倍数词+as+原级+as... 是…的多少倍 例句 The new building is three times as tall as the old one. 新大楼是旧大楼的三倍高。 说明 英语中常用的倍数表达法还有： ⑴ 倍数+形容词/副词的比较级+than... ⑵ 倍数+the+名词(length, width, height, size )+of... 仿写 这根绳子是那根绳子的三倍长。(三种译法) ⑴ This rope is ________________that one. ⑵ This rope is___________________ that one. ⑶ This rope is _____________________ that one. three times the length of twice longer than three times as long as 原句 It seems a strange name since all crops are organic no matter how they are produced.这个名字看起来很奇怪, 因为不管怎样种植, 农作物都是有机的。(L1, P13) 3. no matter what ... 不管/不论… (后接状语从句) 例句 We will go to see the movie no matter how hard it rains. 无论雨下的多大, 我们都要去看电影。 仿写 根据汉语意思完成英文句子。 ⑴ 不管做什么事, 你都必须非常细心。 _______________________, you must be very careful. No matter what you do (2)不论你选择哪一个,你都会满意的。 ________________________ you will be satisfied. (3) 不管你说什么, 我都喜欢听。 _______________________, I like to listen. No matter what you say No matter which you choose Thank You ! * * * * * * * 例句 They had to struggle for their freedom and equality. 他们不得不为了自己的自由和平而战。 搭配 struggle for为……斗争 struggle against同……作斗争 struggle to one’s feet挣扎着站起来 struggle on继续努力；拼命