1、Unit 2,2018学年度人教版选修4Unit 2 Working the land Period2Language points,1. for whom he has struggled for the past five decades.,struggle vi. 搏斗, 挣扎, 努力, 拼搏 e.g. They were struggling to get out the burning car. 他们挣扎着从烧着的车里往外爬。She struggled up the stairs with her heavy bags.她提着沉重的行李艰难地走上楼梯。,struggle n. 努力,
2、 拼搏 e.g. We should all believe in ourselves in the struggle of life. Marys struggle with the disease lasted ten years.,搭配 struggle against/with 与斗争 struggle for sth. 为争取而奋斗/斗争 struggle to do sth. 努力做某事,根据括号内的汉语提示补全句子。 1) We should be brave to _ (同做斗争) the difficulty. 2) The _ (斗争) for independence w
3、as long and hard. 3) Three brothers _ (为争取而斗争) the possession of a jewelry box.,struggle with,struggle,struggled for,2. Thanks to his research, the UN has more tools in the battle to rid the world of hunger.1) thanks to 表示“幸亏, 多亏”, 多用于表 达正面意思, 相当于感谢, 在句中作状语和表语。e.g. Thanks to your help, much trouble
4、was saved. 多亏你的帮助, 减少了许多麻烦。,2) rid of 用法The man rid himself of debt. It is very hard for the people to rid the earth of pollution.rid . of 意为“_”，此时，rid作_词，rid oneself of sb. / sth. 意为“摆脱，从中解脱” 。,摆脱，除去,动,Will science finally rid us of this disease? rid sb. / sth. of sb. / sth. 意为“去除，清除”,注意 rid还可以作名词,
5、 构成短语get rid of, “摆脱掉、除掉、处理掉”。如: Its easy to get into the habit of taking drugs but hard to get rid of it. We cant get rid of war until we get rid of the causes of war.,完成句子, 使其与所给的句子意思相同或相近。 1) It is not easy for him to get rid of the bad habit. It is hard for him to _ _ _ the bad habit. 2) He plan
6、s to give up smoking in two months.He plans to _ _ _ smoking in two months.,get rid of,rid himself of,3. He would much rather keep time for his hobbies.阅读下列句子, 试着归纳would rather的意思及用法。1) I think at the beginning wed rather have some fairly quiet and peaceful music.,2) Most young people would rather n
7、ot listen to the Beijing Opera. 3) Would you rather stay here or go home? 归纳 would rather意为 _, 其后接 动词原形。,宁愿、宁可,拓展 would rather . than . 意为“宁愿 而不愿”。如： Jack would rather buy a bike than a motorbike.,翻译下列句子。 1) 她宁愿死也不愿意投降。2) 我宁愿你现在回家。3) 我宁愿你昨天没做那件事情。,She would rather die than give in.I would rather (th
8、at) you went home now.I would rather (that) you hadnt done that thing yesterday.,4. He therefore gives millions of yuan to equip others for their research in agriculture. 考点 therefore adv. 因此；所以；因而，表示因果关系。,考例 Progress so far has been very good. _, we are sure that the project will be completed on ti
9、me. A. However B. Otherwise C. Therefore D. Besides,点拨 题意是“至今情况进展良好，因此我们确信能按时完成这项工程。” 前后两句为因果关系，故选therefore；however然而，可是；otherwise否则，要不然，二者均表示转折关系；besides而且，也不符合题意。,5. What do you think would happen if tomorrow there was suddenly no rice to eat? 点拨 本句中使用了插入语do you think。插入语经常插到一个语法结构完整的句子里去，对句子的内容作一
10、些附加说明，有时表示说话者的态度和看法等，它不和句子的成分发生结构上的关联，常置于句首、句中或句末。把插入语去掉之后，句子的结构和语义还是完整的。,拓展 常用于插入语的动词有suppose, know, hope, believe, guess, find, say等。如： You came by air, I suppose. 用作插入语的主要有：副词、形容词、介词短语、不定式、动词-ing形式短语和分句。如：Two middle-aged passengers fell into the sea. Unfortunately, neither of them could swim.If s
11、he ran towards it, it might attack her. Worse still, it could even carry off the baby in its mouth.,Your performance in the driving test didnt reach the required standard in other words, you failed.To be frank with you, I have no money on me. Judging from what he said to me today, his minds made up.
12、 It is so nice to hear from her. Believe it or not, we last met more than thirty years ago. 仿写 _ _ (令我惊讶的是, 他说的话和所做的事没有任何关系。),What he did, to my surprise, has nothing to do with what he said.,从A、B、C、D四个选项中选出最佳选项。 What fruit is in season now?Pears and apples, _. A. I know B. I think C. I see D. I fee
13、l Have you got any particular plans for the coming holiday?Yes, _, Im going to visit some homes for the old in the city. A. If ever B. If busy C. If anything D. If possible,D,B,6. Although he is one of Chinas most famous scientists, Yuan Longping considers himself a farmer, for he works the land to
14、do his research. 分析 本句是一个主从复合句。 主句是Yuan Longping considers himself a farmer; Although 引导让步状语从句; for在此是连词; 表示原因。,句意 尽管是中国最著名的科学家之一，袁隆平 仍然认为自己是个农民，因为他在田间耕 作，进行科学研究。 仿写 尽管我弟弟学习刻苦, 但是他考试老是不及格，因为他很粗心。 _, he always fails in exams, _ _.,Although my brother studies very hard,for he is very,careless,7. In 19
15、73, he became the first agricultural pioneer in the world to grow rice that has a high output.the first . to do sth. 第一个做。动词不定式(to grow rice) 作定语, 修饰the first agricultural pioneer。the first, the last, the second, the only等短语后多用动词不定式作后置定语。,仿写_ _ _ 公元950年第一个到达新西兰的旅行者是一个叫库佩的人。,The first traveler to rea
16、ch New Zealand in the year 950 was a man whose name was Kupe.,8. Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. 分析 本句是一个简单句。 Yuan Longping searched for a way to increase rice harvests是句子的主干，“without+动词-ing形式短语”在句中作状语。,句意 袁隆平要在不增加土地面积的基础上 寻求增收稻谷的途
17、径。 仿写 她不辞而别。 She left _.,without saying goodbye,9. These increased harvests mean that 22% of the worlds people are fed from just 7% of the farmland in the world. 分析 本句是一个主从复合句。 主句是These increased harvests mean, increased为过去分词作定语, 修饰harvests; that引导的是宾语从句。, “分数或百分数+ of +复数可数名词”结构作主语时, 谓语动词用复数形式; “分数或
18、百分数+ of +不可数名词”结构作主语时, 谓语动词用单数形式。从句的主语为22% of the worlds people, 故谓语用are。 句意这一粮食产量的增加意味着仅占世界7%的耕地养活了世界上22%的人口。,仿写收集到的资料表明超过20%的野生动物已经在森林里消失。The collected information shows that more than _ _ in the forest.,20% of the wild animals,have disappeared,10. Using his hybrid rice, farmers are producing harv
19、ests twice as large asbefore.英语中的倍数表达法共有三种形式:1) 倍数 + 形容词/副词的比较级 + than.2) 倍数 + as + 形容词/副词的原级 + as.3) 倍数 + the + 名词+ of.,e.g. This building is five times higher than that one. _ This building is five times as high as that one. _,这座楼比那座楼高出五倍。,这座楼是那座楼的五倍高。,This building is five times the height of tha
20、t one. 这座楼是那座楼的五倍高。,I. 根据下列各句句意及所给单词的首字母或汉语提示, 写出所缺单词的正确形式。1. We were all _ (晒黑的) from a day on the beach.2. Shes s_ to bring up a family alone.,sunburnt,struggling,3. The measures will enable us to increase our o_ of bicycles soon. 4. He was down with the flu, and _ (因此) couldnt come to the party.
21、5. The d_ problem has been making him hard to sleep every night.,disturbing,output,therefore,6. In ten years the citys population e_ by 12%, which has made the city more crowded.,expanded,7. Our products are _ (出口) to Southeast Asia to gain more benefits. 8. Blood _ (循环) in the body until life stops
22、.,circulates,exported,II. 根据括号内的提示翻译下列句子。 1. 我倒宁愿他告诉了我这件事。(would rather)2. 我们必须除去花园的杂草。(rid . of),Id rather he had told me about the matter.We have to rid the garden of weeds.,3. 我们必须与各种困难作斗争。(struggle against)4. 卧室是厨房的两倍大。(as . as),We must struggle against all sorts of difficulties.The bedroom is twice as big as the kitchen.,Review the language points and difficult sentences we have learned this class.,
