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

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1、reading & thingking words 1devote vt.把献(给);把专用于;专心于_ adj. 忠诚的;深爱的_ n奉献;忠诚 2short adj.短的;不足的;短期的_ n不足;缺少; 短缺_ vt.使变短 3character n性情;(小说、戏剧中的)人物;角色 _ n特征;特点;品质 adj.典型的;独特的 4convention n常规;习俗;惯例_ adj.传统的; 习惯的 5assume v假定;设想_ n假定;设定;(责任的) 承担;(权利的)获得 6real adj.真的really adv.真正地;实际上_ n现实; 实际情况;事实 7salt n盐_

2、 adj.含盐的;咸的 devoted devotion shortage shorten characteristic conventional assumption reality salty 1boost vt.使增长;使兴旺使增长;使兴旺 n增长;提高;激励增长;提高;激励 These changes will help to boost food prices. This has given clothing prices a big boost. This measure will be a great boost to the economy. 2expand vt.& vi.扩

3、大;增加扩大;增加 vt.扩展;发展扩展;发展(业务业务) The ranks of the teachers are constantly expanding. The merchant wants to expand his business. The writer expanded his short novel into a long one. vt.使增长使增长 n增长增长 n激励激励 vi.扩大;增加扩大;增加 vt.扩大扩大 vt.扩展扩展 3estimate vt.估计;估价;估算估计;估价;估算 n估计;估算估计;估算 The painters estimate for pa

4、inting the whole house was 1,000 dollars. This painting is estimated at $200$300. He estimated the speed of the winds from the degree of damage. 4characteristic n特征;特点;品质特征;特点;品质 adj.典型的;独特的典型的;独特的 The two species have several characteristics in common. I recognized his characteristic walk. Independ

5、ence is the outstanding characteristic of a runner. n估计;估价估计;估价 vt. 估价估价 vt. 估算估算 n.特征;特点特征;特点 adj.典型的;独特的典型的;独特的 n.品质品质 1. Indeed, his slim but strong body is just like that of millions of Chinese farmers to whom he has devoted his life. devote vt 献身,致力,专心 devoted adj 挚爱的,忠诚的,全心全意的 devotion n 关爱,奉献

6、,专心 1. If you want to be promoted, you must devote your attention _ your work 2. For ten years, Nyad devoted herself to _ (become) one of the worlds best longdistance swimmers. 3. _ (devote) to scientific research wholeheartedly, he spends little time with his family. 4. But my doubts did not shake

7、my friends _ (devote) and he went on with the worship of his idol. to becoming Devoted devotion devote ones time/energy/attention .to(doing) sth devote oneself to (doing) sth be devoted to (doing) sth 2. Yuan was convinced that the answer could be found in the creation of hybrid rice. convince vt.使相

8、信;使确信;说服 convinced adj 坚信;深信 convincing adj 令人信服的;有说服力的 I am quite convinced _ her experience in it. Im not completely _(convince) (that) he knew the importance of practice. His speech was so _(convince) that everyone present believed what he said. 我们一直在试图说服他放弃那个计划。 Weve been trying_ 她说的话让我相信我错了。 Wh

9、at she said _ I was mistaken. of convinced convincing to convince him to give up the plan convinced me that be convinced of / that 某人坚信某人坚信 convince sb to do sth 说服某人做说服某人做. 3. The common assumption then was that it could not be done. assumption n假定;设定;(责任的)承担;(权利的)获得 assume vt 假定;设想 assuming conj 假

10、如 _ (assume) that it rains, what shall we do? The project was predicated on the _ (assume) that the economy was expanding. 一般认为,过重的工作会造成压力。 _ too much work will cause stress. 在听到对他不利的证词之前,你假定他是无罪的。 You _ innocent before hearing the evidence against him. Assuming assumption It is generally assumed th

11、at assume him to be assuming that 假定假定/假设假设 it is assumed that 据推测据推测. assume sb/sb to be 假定假定/假设假设 某人某人/某事某事 为为. 4. This hybrid enabled farmers to expand their output greatly expand vt.& vi.扩大;增加 vt.扩展;发展(业务) expansion n 扩展;扩张 expand .into.把把扩展扩展/发展成发展成 expand to. 扩展到扩展到. expand on sth. 细说细说(阐述阐述)

12、请你把这一点详细说明一下,好吗? Could you _ this point, please? 他的工作室扩大规模而成为一家大公司了。 His studio _ a big company. expand on was expanded into 5. Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. be comprised of 包含;由.组成 genera

13、te vt 产生;创造 generate profit / income 产生利润/收益 generate excitement / interest 产生兴奋、引起兴趣 1. These courses _ _ _ _ (将包含) readings , discussions and group design sessions. 2. The book will _ _ _ _ (继续 使人们为之激动) for a long time will be comprised of continue to generate excitement Given that Yuans hybrids h

14、ave made him quite wealthy, one might think he would retire to a life of leisure. given that.意为意为“考虑到考虑到”,引导的是一个状语从句,引导的是一个状语从句。 例1Given that theyre inexperienced, theyve done a good job. 在缺乏经验的情况下, 他们的工作已经算是做得相当不错了。 例2Given that he gracefully apologized, the woman accepted his apology.在他有礼貌地道歉后,这位女

15、士接受了他的道歉。 知识拓展 (1)用作give 的过去分词,引出过去分词短语作状语,意为“如果有如果有”, “假定假定”等义,此时要注意其逻辑主语与句子主语保持一致等义,此时要注意其逻辑主语与句子主语保持一致。 (2)可用作介词,后接名词或代词,意为“考虑到考虑到”或或“鉴于鉴于”。 (3)用作形容词,意为用作形容词,意为“特定的特定的”“”“一定的一定的”“”“规定的规定的”等,通常用作定语等,通常用作定语。 (4)given 后也可接 that 从句,表示“考虑到考虑到” The work must be done within the _(give) time. 要是对这些树多加注意,

16、它们会长得更好。 If the trees had been given more attention, they could be grown better. _, the trees could have grown better. 给以时间的话,他们可能会同意。 If they are given time, theyll probably agree. _, theyll probably agree. 鉴于她对小孩的兴趣,我敢肯定教书是她最适合的职业。 Given her interest in children, Im sure teaching is the right care

17、er for her. _, Im sure teaching is the right career for her. given Given more attention Given time Given that she is interested in children Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. to whom he has devoted his life 是非限制性定语从句,关系

18、代词 whom 指 代 Chinese farmer 在从句中做宾语,介词 to 提前。 1.Today, well discuss a number of cases _ beginners of English fail to use the language properly. (填关系词) 2.This is the pen _ _ I wrote the letter. (用“介词+关系 代词”填空) 3.He is just the student _ _ I want to make friends. (用 “介词+关系代词”填空) 4.He is the student _ _

19、 I borrowed this dictionary. (用 “介词+关系代词”填空) 5.The growing speed of a plant is influenced by a number of factors (因 素), most of _ are beyond our control.(填关系词) where /in which with;which with;whom from;whom which 主题 环境保护 1. 随着人类的发展,人类已经破坏了大自然的平衡 2.政府已经采取有力措施来解决这个问题 3.我相信广泛使用环保购物袋可以大大改善我们的环境 4. 我在这些社会活动中表现良好,积累了丰富经验 5. 我出色的英语和沟通能力使我适合这个职位

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