高中英语(人教版)必修四 Unit 2 Working the land2重点句型

Period 2Important sentences

记忆有方

课文句型背诵 1. If so, what did you do to grow them? 如果这样，你做什么来种植它们？ 2.Crops such as peas or soybeans put important minerals back into the soil, making it ready for crops such as wheat or corn that need rich and fertile soil. 像豌豆和大豆这样的农作物将重要的矿物质带回土壤， 从而使之适宜于种植要求土壤肥沃的农作物比如玉米 和小麦。 3.He would much rather keep time for his hobbies. 他宁愿把时间花在自己的爱好上。

http://www.77cn.com.cning his hybrid rice farmers are producing harvests twice as large as before. 使用这种杂交水稻，农民们现在的收成是原来的两倍 了。 5.This special strain of rice make it possible to produce onethird more of the crop in the same fields. 这种特殊的水稻使得在同一块农田里多生产三分之一 的庄稼成为了可能 。 6.Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields. 袁隆平博士不用扩大土地面积而寻找到一条增长稻米 产量的方法。

7.Born into a poor farmer's family in 1931,Dr Yuan graduated from Southwest Agriculture College in 1953. 袁隆平博士1931年出生在一个贫穷的农民家庭， 1953年毕业于西南农业大学。 8. What do you think would happen if tomorrow there was suddenly no rice to eat? 如果明天突然没有米吃了，你认为将会发生什么？ 9.Dr Yuan Longping grows what is called super hybrid rice. 袁隆平博士种植的是被称为“超级杂交水稻”的稻种。 10.Thanks to his research,the UN has more tools in the battle to rid the world of hunger.

学习有道

句型学与练1. If so...如果这样……, (教材原句)If so,what did you do to grow them? 如果这样的话，你做了些什么来种植这些植物？ 联想拓展 ①if so意为“如果是这样的话”,是if引导的条件状 语从句的省略形式，可以用来代替整个从句，省略 前面出现过的主语和动词，表示肯定意义；如果表 示否定意义，则用if not。 ②由if,when构成的此类省略形式还有： if necessary 如果有必要的话if any 如果有的话 if possible 如果可能的话 when necessary 当必要时 when possible 当可能时

学以致用①—Have you been to the Great Wall? —Perhaps not in my memory.________,it might have been during my early childhood. (2013· 淮北模拟) A.If only B.If so C.If ever D.If not ②It sounds like something is wrong with the car's engine.________,we'd better take it to the garage immediately. (2011· 江苏，33) A.Otherwise B.If not C.But for that D.If so ③He is always thinking more of himself,seldom, ________,offering to help others. A.if never B.if ever C.if possible D.if any

完成句子 ④下周你哪一个晚上有空，如果有空，我们去跳舞吧。 Have you got a free evening next week?__so

If __, let's go dancing. ⑤如果可能的话，我想要在最高层的房间。 If possible ____ ______,I want a room on the highest floor.

(1)有人感到冷吗？如果没有的话，我们把窗户打开吧。 Is anybody feeling cold? If not, let us open the windows. (2)如果有的话指出句中的错误。 Point out the mistakes in the sentences, if any. (3)如果必要的话，我将亲自去那儿一趟。 If necessary, I will go there myself.

单项填空 ( )(1)If you've finished, we can have a coffee.

______,you'd better keep working.A. If so B. Only if C. If only D. If not

(

)(2) The girl seldom, if ______, turned to herbrother for protection.

A. never

B. ever

C. any

D. then

2. He would much rather keep time for his hobbies. 他宁愿把时间花在自己的爱好上。 联想拓展 1)would rather do sth.=prefer to do sth.宁愿(可)做某事 would rather (not) do sth.宁愿(不)做某事 2)would rather do...than do... =would do...rather than do...=rather than do...would... =prefer to do...rather than do... prefer sth 更喜欢某物 宁愿做……也不愿做；与其做……倒不如做…… 3)would rather+从句(从句使用虚拟语气) would rather (that) sb.did sth.宁愿某人做某事(用一般 过去时表示与现在或将来事实相反) would rather (that) sb.had done sth.宁愿某人做过某事 (过去完成时表示与过去的情况相反) 4)would rather have done本来想做……而未实现

I would rather you didn't. 常用来表示委婉拒绝别人的请求。 I'd rather have the red one than (have) the green one.我 宁愿要那个红的，也不愿要那个绿的。 I'd take the train rather than go there by air. 我宁可坐火车去那儿，也不愿坐飞机去。 Rather than refuse to help you,I would borrow money from my friends. 我宁可向朋友借钱，也不想拒绝帮助你。 He prefers to stay alone rather than gossip with his coworkers in his spare time.空闲时间他不愿与同事闲 聊，更愿意一人独处。 Don't come tomorrow. I'd rather you came next weekend.明天别来，我希望你下周末再来。

I would rather that you hadn't missed the exhibition. 我真希望你没错过展览会。(事实上已错过) —Do you mind if I smoke? 你介意我抽烟吗？ —Well,I'd rather (that) you didn't. 嗯，最好别抽。 Rather than ________ on a crowded bus,he always prefers ________ a bicycle. A.ride;ride B.riding;ride C.ride;to ride D.to ride;riding If you let challenges stimulate ______ annoy you, much more can be accomplished than you thought possible. A.rather than B.other than C.less than D.more than

完成句子 ①There are ever more people on the Earth,and they reasonably and rightfully want to have better lives, ________ ________ ________ ________ ____(而不是仅 rather than merely struggle for survival 仅为了继续生存而挣扎). (2012· 北京· 阅读理解D) ②汤姆宁愿独自

一人去海边也不愿意与他们一起踢足 球。Tom________ ________ __to the seaside alone would rather go play than_______ football with them. ③她宁愿去钓鱼也不愿去看电影。 would rather go fishing She________ _______ ______ __than see the film. 翻译句子We prefer typed articles between 1,000 and 2,000 words in length. 我们更喜欢长度在1 000至2 000词的打印出来的文章。 _______________________________________________

一句多译 我宁愿步行也不坐出租车去那儿。 ① I would rather walk there than take a taxi. .

② I would walk there rather than take a taxi. .

③I prefer to walk there rather than take a taxi. .

3.This special strain of rice makes it possible to produce one-third more of the crop in the same fields.(L3,P10)这种特殊的稻种使得同样的田地多 收获三分之一的产量。 句型：make it possible( …… 此处隐藏：3438字，全部文档内容请下载后查看。喜欢就下载吧 ……