人教版高中英语必修四Unit-2-Working-the-land-Language-points课件

1、人教版高中英语必修四Unit-2-Working-the-land-Language-points(课件Find the word or phrase from the text for each of these meanings.1) brown (skin) from spending too much time in the sun2) to make something or somebody free of3) to become larger in size, number or amountsunburntridofexpandFind the word or phrase f

2、rom t4) to make information and ideas known to many people5) would prefer to6) to try extremely hard to achieve somethingcirculatewould ratherstruggle4) to make information and ide7) to send things to foreign countries for sale8) pleased by having what one wants or needs9) to provide with things nec

3、essary for a certain purposeexportsatisfied withequip7) to send things to foreign c10) plants grown in large amounts by farmers11) because ofcropsthanks to 10) plants grown in large amou1. Yuan Longping considers himself a farmer, for he works the land to do his research. 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

4、研究。 working the land 土地耕种 work vi./ vt. 经营, 管理 work the land=grow crops on it 耕耘土地 e.g. He works a big farm. 他经营着一个大的农场。1. Yuan Longping considers him2. for whom he has struggled for the past five decades. 过去50年来，他一直在努力帮助他们。 struggle vt.& vi.& n. 斗争; 拼搏; 努力; 挣扎2. for whom he has struggled struggle短语

5、struggle to do sth. 艰难地做某事, 挣扎着做某事struggle with (against) 与作斗争, 同搏斗struggle for 为而斗争struggle to ones feet 挣扎着站起来strugglestruggle to do sth. st【语境运用】单句填空。1) Shes struggling _(bring) up a family alone.2) Millions of people are struggling _ survival. 3) John struggled _ cancer for two years. 4) Police

6、said there were no signs of a _(struggle).to bringforagainst / withstruggle【语境运用】单句填空。to bringforagainst 3. Dr Yuan searched for a way to increase rice harvests without expanding the area of the field. 袁博士(开始)在不增加农田面积的基础上寻求水稻增产的途径。 expand vt. 使变大; 使增强; 阐述 vi. 扩大; 增加; 增强 【归纳】 o 把扩展(发展, 膨胀)成

7、 expand on/upon 阐述; 详谈3. Dr Yuan searched for a way 【语境应用】完成句子。1) 我们打算通过再开两家商店来扩大生意。 We plan to _ by opening two more stores. 2) 管道里的水结成了冰，导致管身膨胀爆裂。 The water froze inside the pipe, causing it to _.3) Could you expand _ that point, please?expand the businessexpand and burston / upon【语境应用】完成句子。expand

8、 the businessexpand 展开, 扩大, 不仅指尺寸的增加, 还可指 范围和体积的扩大。extend 伸出, 延伸, 指空间范围的扩大, 以及长 度、宽度的向外延伸, 也可指时间的延 长。spread 伸开, 传播, 一般指向四面八方扩大传播 的范围, 如传播(疾病)、散布(信息)等。stretch 伸展, 拉长, 一般指由曲变直、由短变长 的伸展, 不是加长。expand extend spread stretchexpand 展开, 扩大, 不仅指尺寸的增加, 还可指e【语境应用】用expand/extend/spread/stretch的适当形式填空。1) The hot

9、weather _ to October.2) Water _ when it freezes.3) He _ his body full.4) The fire soon _ to the nearby building.extendedexpandsstretchesspread【语境应用】用expand/extend/spread/st4. This special strain of rice makes it possible to produce 20% more of the crop in the same fields. 这种特殊的稻田使得同样的田地多收获20%的产量。 ma

10、ke it +宾语补足语+动词不定式, it做形式宾语, 动词不定式是真正的宾语。 e.g. We consider it our duty to support good leaders. 我们认为支持好领导是我们的责任。4. This special strain of rice The new method makes it possible to complete the task faster. 新方法使更快地完成任务成为可能。 The new method makes it 5. Thanks to his research, the UN has more tools in th

11、e battle to rid the world of hunger. 由于他的研究，联合国在消除世界饥饿的战斗中有了更多的方法。 thanks to 由于；多亏（有时用作反语）; 因为5. Thanks to his research, the【方法规律】owing to和thanks to的宾语所表达的内容往往是正面的、积极的东西。due to, because of和as a result of的宾语则为中性的内容。在表达负面、消极的内容时多用as a result of和due to。 【拓展】 表示“因为，由于”的短语还有： because of, owing to, on acc

12、ount of, due to, as a result of, result from【方法规律】【拓展】 【温馨提示】以上这些都是介词短语，因此后面可以跟名词或动名词而不可以跟从句。【语境应用】完成句子。1) It was all a great success _ (由于尽心竭力).2) _ (多亏了你的帮助), we arrived there safely.thanks to a lot of hard workThanks to your help【温馨提示】【语境应用】完成句子。thanks to a lrid . of 意为“摆脱，除去”，此时，rid作动词，rid onese

13、lf of sb. / sth.意为“摆脱，从中解脱” 。e.g. The man rid himself of debt. 这个人还清了债务。 It is very hard for the people to rid the earth of pollution. 人们很难消除地球的污染。 rid . of 意为“摆脱，除去”，此时，rid作动词Will science finally rid us of this disease? 科学最终能使我们摆脱这种疾病吗？ rid sb. / sth. of sb. / sth. 意为“去除，清除”Will science finally rid

14、 us of【注意】 rid还可以作名词, 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. 【注意】 【语境应用】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 _

15、 _ _ the bad habit.2) He plans to give up smoking in two months.He plans to _ _ _ smoking in two months.get rid ofrid himself of【语境应用】完成句子, 使其与所给的句子意思相同或相近。ge6. Using his hybrid rice, farmers are producing harvests twice as large as before. 用他的杂交水稻种子，农民们种出的粮食 比以前多了一倍。 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

16、较级+than. 2) 倍数+as+形容词/副词的原级 + as. 3) 倍数+the+名词+of. 6. Using his hybrid rice, farme.g. This building is five times higher than that one. 这座楼比那座楼高出五倍。 This building is five times as high as that one. 这座楼是那座楼的五倍高。 e.g. This building is five tim7. Dr Yuan is quite satisfied with his life. 袁隆平对生活非常满足。 be

17、 satisfied with 对感到满意 e.g. One shouldnt be satisfied with only a little success. 一个人不应该只因一点小成就就感到满 足。 satisfy v. 使.满意, 赔偿 e.g. I had to explain the reasons to satisfy his curiosity. 我只好解释原因来满足他的好奇心。7. Dr Yuan is quite satisfied satisfaction n. 满意；满足 satisfactory adj. 令人满意的，圆满的satisfaction n. 满意；满足 【

18、相关短语】satisfy ones desire/curiosity/ needs满足欲望/好奇心/需要satisfy sb. of/that 使某人确信. be satisfied with 对满意 be satisfied to do 乐意做 with satisfaction 满意地to ones satisfaction= to the satisfaction of sb. 使某人满意的是be far from satisfaction 远远不能让人满意【相关短语】8. He would much rather keep time for his hobbies. 他宁愿把时间花在自

19、己的业余爱好上。【拓展】 would rather.than. 常用句式，意为“宁可（愿）（而）不要（愿）” would rather从句，从句要用虚拟语气，用动词的过去时表示 would rather have done 本想做（而实际上未做） 8. He would much rather keep t【语境应用】单句改错。1) This Sunday I would rather staying at home than go to the park. _2) He would rather dont go with me. _3) Id rather had the small app

20、le. _stayingstaydontnothadhave【语境应用】单句改错。stayingstaydont9. He therefore gives millions of yuan to equip others for their research in agriculture. 于是，他拿出好几百万元帮助其他人 进行农业科学研究。 therefore adv. 因此；所以；因而， 表示因果关系。9. He therefore gives millionstherefore so thustherefore副词。和上句连接时常用and therefore形式，and前加一逗号；如没有

21、and，则上句尾用分号(;)。so连词。前一句尾常用逗号隔开，so不能与because连用。thus副词。常与and连用，呈现and thus+从句形式，有时也会有，thus doing形式，强调引起一个直接的结果。therefore so thustherefo【语境应用】用therefore，so，thus填空。1) She was caught cheating in the exam and _ she was punished by her teacher.2) She coughed badly, _ she went to see a doctor.3) The tram sto

22、pped suddenly, _ causing the delay.thereforesothus【语境应用】用therefore，so，thus填空。theequip 配备；装备e.g. We want our son to have an education that will equip him for later life. 我们想让我们的儿子接受教育，使他能 够适应以后的生活。 equip 配备；装备【归纳】 equip.with. 用装备 be equipped with 装备着 equip.for sth./to do sth. 为了而装备 well/poorly equipp

23、ed 设备精良的/较差的【拓展】 equipment n. 装备; 设备(不可数名词) a piece of equipment 一件设备【归纳】【语境应用】单句填空。1) All riders _ (equip) with reflective vests and safety lights.2) You must carry the necessary _ (equip) with you, since its all but impossible to find natural substitutes. 3) Your training will equip you _ your fut

24、ure job.equipmentfor are equipped【语境应用】单句填空。equipmentfor are eqSentence ExplanationsSentence Explanations1. Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, for whom he has struggled for the past five decades. 【分析】本句是一个主从复合句。his sunburn

25、t face . Chinese farmers是主句。1. Indeed, his sunburnt face afor whom he . five decades是非限制性定语从句，补充说明_。【句意】的确，他那被太阳晒得黝黑的脸庞和手臂，以及他那瘦削而又结实的身躯，就跟其他千百万中国农民一样，过去五十年来，他一直在努力帮助他们。millions of Chinese farmers for whom he . five decades【仿写】董阳沉重的背包就跟其他千百万中国小学生的一样，他们的父母对他们的未来抱有极大的期望。_Dong Yangs heavy bag is just l

26、ike those of millions of Chinese primary students, for whose future their parents have great expectations. 【仿写】董阳沉重的背包就跟其他千百万中国小学生的一样，他们的2. 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 ，你认为会发生什么呢？ 【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，对句子的内容作一些附加

27、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。 2. What do you think would hap【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：【拓展】Two middle-aged passengers fell into the sea. Unfortunately

28、, neither of them could swim.If she ran towards it, it might attack her. Worse still, it could even carry off the baby in its mouth.Two middle-aged passengers felYour 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

29、 me. Judging from what he said to me today, his minds made up.It is so nice to hear from her. Believe it or not, we last met more than thirty years ago.Your performance in the drivin【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.【仿写】 _从A、B、C、D四个选项中选

30、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 feel 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 possibleDB从A、B、C、D四个选项中选出最佳选项。DB3. Althoug

31、h he is one of Chinas most famous scientists, Yuan Longping considers himself a farmer, for he works the land to 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。 3. Although he is one of China【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，

32、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 hardfor he is verycareless【句意】 Although my brother studi4. In 1973, 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

33、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。4. In 1973, he became the firs【句意】1973年，他成为世界上第一位种植高产水稻的农业先锋。【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 reach New Zealand in the year 950 was a man whose name was Kupe.【句意】The

34、first traveler to reac5. 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。 5. Yuan Longping searched for 【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径。【仿写】

35、她不辞而别。She left _.without saying goodbye【句意】without saying goodbye6. These increased harvests mean that 22% of the worlds people are fed from just 7% of thefarmland 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。 6. These increased harves

36、ts me “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。 “分数或百分数+of+复数可数名词”结构作主语时, 谓语【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 animalshave disappeared【仿写】20% of the wild animalshavWords:struggle therefore equip rid Phrases:work the land than