英语选修7北师大版Unit20课件PPT：同步详细复习141张.ppt

1、栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Unit 20New Frontiers新领域栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1_vt. 投递(信件、邮包等)2_n. 突破3_adj. 意识到的, 知道的4_adj. 经常的, 不断的基础盘点自测自评基础盘点自测自评deliverbreakthroughawareconstant栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域5_vt. 余下, 留下；vi. 保持, 仍是_adj. 仍需做的, 还需处理的6_n. 精

2、力, 能量7_v. 延伸；展开8_vt. 评价；评估_n. 评价, 评估remainremainingenergyspreadassessassessment栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域9_vt. 声明；断言_n. 声明10_vt. 让离开；遣散；解散；解雇11_vt. 帮助；协助assistance n. 帮助12_n. 后者declaredeclarationdismissassistlatter栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域13_n. 差别对待；歧视_vt. 区别；辨别；歧视

3、14_n. 平等_adj. 平等的；vt. 等于discriminationdiscriminateequalityequal栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域15He_(捐献)all his possessions to charity and the_(捐赠物)would be used for children in Africa.16Many children have been_(挨饿)to death in the last few years and the_(饥饿)seems to last in that area.dona

4、teddonationsstarvedstarvation栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1_ 人工智能2_ 提前；事先3_ 接管；交接4_ 理解5_ 泄露(秘密)6_ 弥补artificial; intelligencein advancetake overget acrossgive awaymake up for栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域7_ 计算出；解决；想出8_ 更不用说9_ 努力解决难以处理的事物10_ 致力于；献身于figure out not to mentionw

5、restle with sth.be dedicated to栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域11_ 以防；以免12_ 以开始13_ 由于；因为14_ 而不是15_ 可以得到的in casestart withdue to rather thanbe available to栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1no longer/not.any longer不再Red wine stains will_(不再)ruin clothes.no longer栏目栏目导引导引选修七选修七 Uni

6、t 20 New Frontiers 新领域新领域2make itadj. for sb.to do sth.By the year 2030, development in biochemistry and medical science will have made it theoretically_(至少活到150岁成为可能)possible for us to live for at least 150 years栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域3By时间, 主语完成时态By the middle of the century, c

7、omputers that are millions of times smarter than us_(将会被开发出来)will have been developed栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域4be doing.when.正在做某事这时In the summer of 1905, this outspoken young man_(正在摇晃他一岁大的婴儿这时)he was suddenly inspired.was rocking his oneyearold baby when栏目栏目导引导引选修七选修七 Unit 20 New

8、 Frontiers 新领域新领域5There is no doubt about/that.句式_ (毫无疑问)about it.Theres no doubt栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1.assist vt. &vi. 帮助, 协助；参与, 出席(教材P133)The new international crew are planning to take over.and assist with repairs on Alpha.考点串讲讲练互动考点串讲讲练互动栏目栏目导引导引选修七选修七 Unit 20 New Frontier

9、s 新领域新领域新的国际机组人员将接管并在Alpha国际太空站上协助维修栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域(2010高考浙江卷)The assistant seemed a sincere man.助手似乎是一个真诚的人. I was employed to assist the manager with his duties.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域我受雇协助经理工作. One of h

10、er fellow passengers came to her assistance.同车的一个乘客过来帮她. With the assistance of my cousin we paddled across the river in the dark to participate in a private meeting.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域在我表弟的帮助下, 我们趁天黑划过河去, 参加一个秘密会议. (2011高考浙江卷)The manager was worried about the press conferenc

11、e his assistant was giving in his place but, luckily, everything was going on smoothly.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域经理担心着他的助手代替他所举办的新闻发布会. 幸运的是, 一切进展顺利.2.discriminationn. 差别对待；歧视栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域(教材P20)., as everyone will have jobs and discrimination will be a

12、 part of the past., 因为每一个人都会有工作, 歧视将成为历史. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Discrimination against blacks is still common.歧视黑人仍是普遍现象. They organized to fight against racial discrimination.他们组织起来为反对种族歧视而斗争. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新

13、领域新领域3. dilemman. 困境, 进退两难的窘境(教材P24)If you had to choose the single most important discovery of the 20th century, you would have a real dilemma on your hands.如果要选择二十世纪最重要的发现, 你将面临一个真正的难题. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Faced with a dilemma,

14、he was determined to hold on.面临着进退两难的困境, 他决定顽强地坚持下去. Im in a dilemma about this job offer.对于提供的这份工作我不知道是接受还是不接受. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域The bad weather put us into a dilemma.糟糕的天气使我们进退两难. 4. donatevt. 捐赠；赠送(教材P24)Medical advances ranged from discovering the causes of diseases und

15、er microscopes to栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域surgical procedures replacing diseased organs with donated ones.医学的进步包括从在显微镜下发现疾病的起因到用捐献器官替代病变器官这样的外科手术过程. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域In the Yushu earthquake, most people th

16、roughout the country donated money, food, clothing and so on.在玉树地震中, 全国人民捐献出钱、食物、衣服等东西. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域She donated a large sum of money to the charity.她捐了一大笔钱给慈善机构. Local people lined up to donate blood for the brave girl.当地群众排队给这位勇敢的姑娘献血. 栏目栏目导引导引选修七选修七 Unit 20 New Front

17、iers 新领域新领域5. correspondv. 相一致；相联系；通信(教材P24).the way we correspond went from writing letters to emailing.我们通信的方式从写信变成发电子邮件. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展助记助记栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Weve corresponded with each other for years but Ive never actually met him.我们已互相通信

18、多年了, 可是我从未见过他本人. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Your account of events corresponds with hers.你说的情况跟她说的相符. Im sure my actions will correspond with my words.我保证, 我将言行一致. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域6. permitvt. 允许, 准许n. 许可证(教材P27)You are not permitted to work if you are on a

19、 student visa.如果你没有得到学生签证, 是不会被允许工作的. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域(2010高考天津卷)Please note that, for safety reasons, pushchairs are not permitted in the State Apartments.请注意, 由于安全原因, 折叠式幼儿小推车是不允许进入国家公寓的. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers

20、 新领域新领域She took the car without permission.她未经许可擅自使用了汽车. 7. declare vt. 宣告, 宣布, 声明(教材P28)NASA declared that a rock from Mars proved.NASA宣称来自火星的一块岩石表明栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域They declared against building a new bridge.他们声称反对修建新桥. He de

21、clared that he would never agree.他声称他不会同意. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域跟踪训练.品句填词1Hundreds of people are still in the water, waiting to be_(营救) rescued栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域2We have time and time again_(声明)that we will never be the first to use nuclear weapons.3Ill

22、 lend_(帮助)to them.declaredassistance栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域4After many years, he was given_(允许)to look for gold in South America.5All_(捐献的)blood is tested for HIV and other infections. permission donated栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域.单句填空1法官们对结果持不同的意见, 因此两个小时后才公布最终结果

23、. The judges had different ideas about the results, so it was two hours before the final results were _(declare或announce)announced栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域解析: announce多用于表示所关心或感兴趣的事情, 尤指新闻之类的消息；declare多用于宣战、议和等.2Before building a house, you will have to_the governments_(请求允许) ask f

24、orpermission栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域3我过去和朋友们靠书信交流, 而现在用互联网更方便了. I used to_my friends by letters while now the Internet is more convenient.correspond with栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域4据报道政府将把所有私人捐赠交给遭受洪灾的地区. It is reported that the government will give all private_to

25、flood stricken areas.donations栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域5Dont be nervous.The police _(assist)you to find her address.解析: assist sb.to do.“帮助某人做某事”. 句意: 别紧张, 警察会帮助你找到她的地址的. will assist栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域8. lead to通向, 导致(to为介词, 后跟名词或动名词)(教材P30)This invention ma

26、de it much quicker and easier to reproduce written work and led to the first ever massproduction of books and literature.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域这项发明使得复制作品变得更省时、省力, 从而实现了书籍和文学作品的首次批量生产. 归纳拓展归纳拓展栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域助记栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领

27、域The thieves cut the wires leading to the surveillance cameras.小偷切断了连接监视摄像头的电线. This crisis led to the downfall of the government.这一危机使当时的政府倒台了. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域His carelessness led to his failure in the exam.他的粗心大意导致他没有通过考试. 9. be about to即将, 就要(教材P24)Edwin Hubble was abo

28、ut to make astronomys greatest breakthrough of the century.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域埃德温哈勃即将作出这个世纪文学上的最重大的突破. be about to表示即将要发生的动作, 不表示按计划安排的动作, 不与at once, immediately或表示将来的时间状语连用. 辨析辨析be about to, be to do sth., be going to栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域be to do sth.表示

29、按计划或职责、义务要求必须做的事. be going to表示“打算, 想要”, 也可用来表示很可能发生的事或自然现象；类似的还有be coming, be leaving等. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Dont go out now.We are about to have lunch.现在别出去了, 就要吃午饭了. When is the plan to be put into practice?这个计划何时会被用于实践？栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Im not going

30、 to tell you the secret as you have a big mouth.我不打算告诉你这个秘密, 你太多嘴了10. on purpose故意地栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域归纳总结You sometimes hurt yourself by accident but you dont hurt yourself on purpose.你有时会偶然伤害自己, 但你不会故意伤害自己. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域I wouldnt go shopping on

31、purpose for buying a pair of socks.我不会只为买一双袜子而去购物. 11. figure out理解, 弄明白;计算出(教材P24) ., scientists figured out how to split the atom.科学家弄明白怎样去分裂原子栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域I cant figure out what hes trying to say.我弄不懂他想说什么. Have you figured out how much the travel to Beijing will cos

32、t?去北京旅行要多少钱你计算出来了没有？栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域跟踪训练.选词填空(wonder about，base on，figure out，come out，carry out，give away，be suitable for，get across，take over，make up for)栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1.Next you need to_how to overcome those obstacles.2After signing the cont

33、ract, neither of the two sides can_the content to a third one.3Mr Green feels that he is old, so his son will soon_his business.figure outgive awaytake over栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域4Can you give me some advice on how to_the time I have lost?5No matter what difficulty you will meet

34、with, _your plan.6Did what you explain_to the students?make up forcarry outget across栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域7I think this course will_four persons.8The new problems_along with their deeply discussion.be suitable forcome out栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域9Scientists_th

35、at too, and they are a step closer to solving the mystery now.10The theory_a series of wrong assumptions.wonder aboutis based on栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域.单句填空1They really have a great time too, designing everything, drawing the blue prints, _(计算出)the angles and so on.figuring out栏目

36、栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域2He is very stubborn；dont_ (屈服)to his opinion.Just stick to your own.3你听说哥伦比亚广播公司的唱片公司已被索尼公司收购了吗？Have you heard that CBS Records was_by Sony?give intaken over栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域4老师认为他的学生需要更多的实践和学习技巧而不是太多的作业. The teacher thought his stu

37、dents needed more practice and learning skills_(other than或rather than)much homework.解析: other than除了；rather than而不是. rather than栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域5那个学生迷惑的表情表明她没能理解我所说的. The students puzzled look suggested that she failed to_(figure)what I said.figure out栏目栏目导引导引选修七选修七 Unit

38、20 New Frontiers 新领域新领域6I_(正要去睡觉)when there came a knock at the door.解析: be about to do通常与when引导的从句连用. was about to go to bed栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域1. (教材P25)Without the breakthroughs of these pioneers in science and technology, whether lucky or planned, the world as we know it t

39、oday would have been a completely different place.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域没有科技上的这些尖端突破, 无论是好运带来的还是按计划取得的, 我们今天的世界将完全是另一个样子. 【句法分析】(1)without可用于虚拟语气。,当虚拟语气表示与现在事实相反时，从句的谓语动词用栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域“过去式(be的过去式用were)”，主句的谓语动词用“would/could/should动词原形”构成。(2)句中的wheth

40、er.or意为“不论还是”，引导状语。它可以连接并列的成分。有时该短语结构也可以作宾语。栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域We human beings could not survive without all the plants and animals around us.如果我们周围没有植物和动物, 人类就不能生存. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域We couldnt finish so quickly without your help.没有你的帮助我们不可能完成得如此快. W

41、hether true or false, the story is interesting.不管这个故事是真是假, 它很有趣. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域I really dont care whether he will stay or not.我真的不在意他要留下来还是要走. I was wondering whether to go upstairs or to follow Maxim to the library.我正不知是该上楼, 还是该跟马克西姆去图书馆. 栏目栏目导引导引选修七选修七 Unit 20 New Fron

42、tiers 新领域新领域2. (教材P25)There is no doubt about it.关于这一点是毫无疑问的. 【句法分析】“There is no doubt about sth.”是一个常用句型。它表达的含义是“毫无疑问，不用怀疑”。栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域There is no doubt that.,毫无疑问,There is some doubt whether.,是否还有些疑问(1)在肯定句中doubt后面接whether。(2)在否定含义的句中doubt后面接that。(3)当doubt是动词时后面接的从句

43、也同样适合此特点。栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Theres no doubt that hes lying to all of us.毫无疑问他在对我们大家撒谎. Theres some doubt whether Jack will be made monitor.杰克是否会被选为班长还有些疑问. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Fred doesnt doubt that he will rank the first in the final.弗雷德毫不怀疑在决赛中他将排名第一.

44、 There is no doubt about what has happened.对所发生的事是毫无疑问的. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域跟踪训练.完成句子1Without your help, I_(不会完成)the task successfully.wouldnt have completed栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域2_(毫无疑问)to protect nature is to protect ourselves.模仿造句1如果有疑问的话就打电话给我, 我将全力帮你

45、. (in doubt)_There is no doubt thatIf in doubt, give me a ring and I will do whatever I can to help.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域2如果没有电, 人类今天的生活会大不相同. (without)_Without electricity, human life would be quite different today.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域3(2012河南郑州质检改编)在他意识

46、到他所犯的错误的时候, 再采取任何措施已经为时已晚. (by the time)_By the time he realizes the mistake he has made, it will be too late for him to do anything about it.栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域读写任务专题突破(一)英语读写任务写作的基本要求和模式读写任务型写作不但考查信息提取与整理即阅读能力, 专题突破应试锦囊专题突破应试锦囊广东专题解读广东专题解读栏目栏目导引导引选修七选修七 Unit 20 New Frontier

47、s 新领域新领域也考查了考生如何表达自己的观点的论述能力, 属综合考查题型. 对这类写作任务题目, 一定要有正确的方法与步骤, 并在平时练习中强化方法, 以达到考场上熟练运用的目的. 1确定写作模式栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域读写任务型写作题目中已为考生定义了基本的写作模式, 可归纳出如下模板: 标题第一段: 概括所给短文内容要点约30词栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域第二段: 过渡词引出主题句自己的观点理由约100词第三段: 总结约20词2标题标题是段落中心思想的精练表达形式. 根

48、据所写短文的内容, 概括出中心思想然后加以提炼, 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域拟定标题(题目所给主题不是标题, 若题目要求标题自定, 考生一定要自拟一个切题和合乎语法规范的标题). Is time more valuable than money?On SmokingHow to make friends?Happiness栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域Is watching TV a good thing ?My view of money / time / pollutionM

49、y attitude towards building a car factory3第一段: 概括所给短文内容要点利用原文中所给的语言材料, 用自己的话来写；栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域概括后的文章意思要通顺, 行文要连贯. 概括要抓住要点, 语言精练. 不同文体处理方式也应不同, 如果阅读材料是个故事, 应简练描述故事, 然后讲述你所得到的启示. 说明性文章, 则应概括说明某种现象. 议论性的文章, 则要简要地转述材料的观点. 栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域写作具体方法和要求:

50、第一段概括要做到开门见山；例如: According to the passage, we know.This article is mainly about.The writer states that.4第二段: 过渡词引出主题句自己的观点理由栏目栏目导引导引选修七选修七 Unit 20 New Frontiers 新领域新领域开头用语: I do agree with the author.In some way, I agree with ., but.This opinion sounds right but is hardly practical.It is definitely