Unit 5 Revision ppt课件 -（2019）新人教版高中英语选择性必修第一册.pptx

1、Unit 5 Working the land Review the whole unit 1Learn the use of subject clause. Master the new words in the whole unit.2 Goals overcome vt. 克服；解决；战胜 教材原句教材原句 Yuan overcame enormous technical difficulties to develop the first hybrid rice. 要点必记要点必记 overcome problems 解决问题 overcome oneself 战胜自己 overcome

2、 despair 摆脱绝望 核心词汇核心词汇 alternative n. 可供选择的事物；adj. 可供替代的 教材原句教材原句 As an alternative, some farmers have switched to organic farming. 要点必记要点必记 alternative method 替代的方法 alternative approach 变换方法 have no alternative but v. 别无选择；只得；唯一的办法是 generate vt. 产生；引起 教材原句教材原句 It is estimated that about 60 percent

3、of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. 要点必记要点必记 generate electricity 发电 generate profit 产生利润 generate strategy 制定策略 extension n. 扩大；扩建部分 教材原句教材原句 That were intended to one day become an extension of London Underground. 要点必记要点必记 vt. extend 延伸；

4、扩大；推广；伸出；给予；使竭尽全力 adj. extensive 广泛的；大量的 extended 延伸的；扩大的；长期的 extendable 可延长的；可展开的；可扩张的 adv. extensively 广阔地；广大地 n. extensiveness 延伸；大范围 instance n. 现实；事实 教材原句教材原句 For instance, they may grow corn or wheat in a field one year. 要点必记要点必记 for instance 例如（for example; such as） in this instance 在此情况下 at

5、the instance of 在的请求下；经的提议；因的主张 depth 轮流；依次 教材原句教材原句 Organic farmers also plan diverse crops that use different depths of soil to help keep it rich. 要点必记要点必记 in depth 深入地；全面地 in the depth of 在里面 longlength widewidth highheight deepdepth alleviate n. 现实；事实 教材原句教材原句 What can people and countries do to

6、 help alleviate these causes? 例句例句 1. Nowadays, a great deal can be done to alleviate back pain. 如今，很多方法可以被用来减轻背部疼痛。 2. Their energies were focused on the alleviation of the refugees misery. 他们把精力集中在了对难民苦难的减轻上。 in turn 轮流；依次 教材原句教材原句 This affects the crops grown on the land, in turn, the animals and

7、 humans who digest them. 要点必记要点必记 take turns to do sth 轮流做某事 by turns 轮流 in return 作为回报 in return for 作为对的回报 devote vt. 把献给； 专心于 教材原句教材原句 Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. 例句例句 1. Considerable resources have been devot

8、ed to proving him a liar. 为了证明他是个骗子已投入了相当多的人力和财力。 2. After her marriage, she couldnt devote herself totally to her music. 她结婚之后无法全力倾注于音乐。 【拓展】 devoteto (doing) sth. 把致力于；专心于 devote oneself to (doing) sth. 献身于；致力于 devoted adj. 挚爱的；忠实的，忠诚的 be devoted to 致力于 devotion n. 奉献；关照；忠诚 shortage n. 缺少；不足缺少；不足

9、教材原句教材原句 Farmers often had poor harvest and sometimes even had a serious shortage of food to eat. 要点必记要点必记 shortage of 缺少 water shortage 缺水；水量不足；枯水 food shortage 粮食短缺 power shortage 电力短缺 fund shortage 资金不足， 资金短缺 digest v. 消化；领会 教材原句教材原句 This affects the crops grown on the land, in turn, the animals

10、and humans who digest them. 例句展示例句展示 I have had time to digest what happened Sunday night and what it means to me. 我需要一些时间来消化周日晚上发生了什么，它对我而言意味着什么。 要点必记要点必记 adj. digestive 消化的；助消化的 digestible 易消化的；可摘要的 n. digestion 消化；领悟 convince v. 使相信；使确信；信服 教材原句教材原句 Yuan was convinced that the answer could be foun

11、d in the creation of hybrid rice. 要点必记要点必记 adj. convinced 确信的；深信的 convincing 令人信服的；有说服力的 convince sb. to do sth. 说服某人做某事 convince sb. of sth. 使某人相信某事 be convinced of 相信 Read and complete the passage with the correct forms of the words and phrases in the box. Then answer the questions. attain be comp

12、rised of depth diverse essential for instance output soil Jia Sixie was a government official from Shandong Province who conducted a lot of agricultural research in the sixth century. In his travels, he observed that some farmers had much better _ than others, so he decided to investigate the best w

13、ays of _ good harvests. After retiring, he wrote a book Qi Min Yao Shu, which _ sound advice and practices for people doing agriculture work. output attaining is comprised of In one piece of advice,_, he told fanners to clear weeds from the ground before planting crops. They could either let the ani

14、mals eat the weeds or turn the _over so that the weeds were covered. Then he gave advice on ploughing, suggesting that the autumn ploughing should be at a greater _ than the spring ploughing. He also suggested changing crops to get better harvests every year. Finally, he suggested that farmers grow

15、a _ range of crops next to each other in the fields. Although has been centuries since Jia Sixie died, Q Min Yao Shu is still considered a(n)_book in Chinas agricultural history. for instance soil diverse essential depth it is +done +that 从句从句 教材原句教材原句 It is estimated that about 60 percent of domest

16、ic rice consumption is in china. 要点必记要点必记 it is +adj +that 从句从句 It is important to get along well with others. it is + n. +that 从句从句 It is a pity that he can not come to my birthday party. it is +done+that 从句从句 It is reported that the park has received one million visitors. 核心句式：核心句式： 现在完成进行时现在完成进行时

17、 结构：结构：have/ has been doing sth. 意义意义： 表示到现在为止已经完成，并且还会继续下去 例句例句：He has been working as a doctor since he left school. (做医生这份工作会一直进行下去，不会到现在为止结束) 核心句式：核心句式： 和现在完成时的区别：和现在完成时的区别： have/ has done: 到现在为止已经完成，不会再继续 He has finished his homework. (作业已经完成，不会再进行下去了) not onlybut also 要点必记要点必记 1. not onlybut a

18、lso就近原则就近原则 连接两个主语时，要和与其最近的主语保持人称和数的一致。 如： Not only Tom but also Alice and Mary are busy. 不仅汤姆很忙，爱丽丝和玛丽也很忙 核心句式：核心句式： 为了强调，可将为了强调，可将not only置于句首，其后的句子通常要用置于句首，其后的句子通常要用部分倒装的形式部分倒装的形式。 如: Not only has she been late three times, she has also done no work. 她不仅仅迟到了3次，她还没干一点活。 as well as 要点必记要点必记 当 as we

19、ll as 连接两个成分作主语时, 其后的谓语通常要与前面一个主语保持一致。 如： E.g. Tom as well as his parents is going to London. 汤姆和他的父母要去伦敦。 The captain, as well as the other players was tired. 队长和其他队员都累了。 核心句式核心句式: : 相似用法相似用法 with; together with; along with; besides; but; except; including; rather than E.g. Everyone including Mary

20、and Tom is here. 主语从句主语从句 一、概念与类型一、概念与类型 主语从句在复合句中作主句的主语。 例如: 1. That she was chosen made us very happy. 她当选了使我们很高兴。 2. What caused the accident is a complete mystery. 是什么导致了这次事故还完全是一个谜。 3. Whether she will come or not is still a question. 她是否来还是一个问题。 核心句式：核心句式： 为了使句子结构平衡为了使句子结构平衡，避免避免“头重脚轻头重脚轻”，常用常

21、用it作形式主语作形式主语，而把从句放在后面而把从句放在后面。 例如: 1. It is a pity that she has made such a mistake. 她犯了这样一个错误，真是遗憾。 2. It depends on the climate whether they are going shopping today. 他们是否今天去购物还得看天气。 Fill in the blanks with that, whether, or wh- question words. 1 _the research centre is to be set up has not been

22、decided. 2 _many countries still face food shortages remains a big problem. 3 _impressed me most was that the hybrid rice enabled farmers to expand their output greatly. 4 _the plan is to be carried out still needs discussing. 5 _the new chemical pesticide is effective remains to be seen. Where That What When Whether 6 _will join in the research team will be announced tomorrow. 7 _he quit his high-paying job is not difficult to understand. He wanted to start up his own business. That Who 1 Recite new words and phrases. 2 Write an argumentative article about organic farming. THANKS