2022秋新教材高中英语Unit12InnovationPeriod3Lesson2AhaMoment课件北师大版选择性必修第四册

1、UNIT 12INNOVATIONPeriod ThreeLesson 2课前自主预习1emerge vi. _2clueless adj. _3evaluation n._重点单词出现，浮现一无所知的，一窍不通的评估，评价1想起_2突然_3对很激动_4导致_5浪费时间_重点词块fly/come to ones mindall at once/all of a suddenbe excited aboutlead toa waste of time6在的阶段_7偶然_8被卷入；涉及_9bury oneself in_10cant help doing sth._11walk around_12

2、write out_at the stage ofby incidentbecome involved in专心致志于情不自禁做某事溜达；闲逛写出1(P112)Then you _(情不自禁大叫): “Aha! Thats it！” (cant help doing sth. )2(P113)_(在你深入一个领域后), you do nothing. (after引导的时间状语)【答案】1cant help shouting out2After you deeply become involved in an area重点句式课堂新知讲练1emerge vi. 出现，浮现(P112)Why d

3、o some people work so hard but achieve very little, while some others seem to do nothing but good ideas emerge?【翻译】为什么有些人努力工作却收获寥寥，而有些人似乎什么也没做却好点子层出不穷？词汇拓讲emergevi. 浮现；出现；出来；幸存下来；变得显眼；被知晓；暴露；恢复过来；破壳而出过去式：emerged过去分词：emerged现在分词：emerging第三人称单数：emerges【语言提升】Richard was waiting outside the door as she

4、emerged. 当她出现的时候，理查德正等候在门外。The yacht will emerge from the yard with her original rig. 游艇将以独特的帆装从造船厂驶出。She then emerged from the courthouse to thank her supporters. 然后她从法院大楼出来向支持者们表示感谢。emerge还可以表示“摆脱；显露；兴起；立足成为”等意思。What happens when new players emerge?当新的参与者出现时，会发生什么呢？It soon emerged that neither the

5、 July nor August mortgage payment had been collected. 很快显示的是7月和8月的抵押款都没有被收取。Vietnam has emerged as the worlds third-biggest rice exporter. 越南已立足成为世界第三大稻米出口国。emerging adj. 走向成熟的；新兴的Asias emerging economies will be on a self-sustaining cycle of growth. 亚洲的新兴经济体会出现自我维持的循环增长。The television screens of th

6、e next century will be linked up to an emerging world telecommunications grid. 下个世纪的电视屏幕将与一种新兴的世界电信网格相连。emergence n.出现，浮现；发生；露头What is the custom and usage in this emergence? 这里出现的习俗和用法是什么？Freedom was threatened in early modern times by the emergence of monarchies that might have been able to crush

7、it. 在近代早期，君主制度的出现对自由构成威胁，并有可能摧毁它。emergent adj. 新兴的；处于发展初期的；生露头的，突出的【归纳拓展】emerging market 新兴市场emerging economies 新兴经济emerging industry新兴产业；新兴行业【易混辨析】appear, show, emerge, loom这组词都有“出现”的意思，其区别是：appear 强调公开露面，被看见。show 语气较强，强调“露出来”。emerge 侧重缓缓出现的过程。loom 指朦胧出现，好像从雾中浮现出来一样。【针对练习】单句语法填空(1)Many _(emerge) na

8、tions got back to their pre-crisis levels of output in 2009(2)They prefer to wait for the _(emerge)of a new physics theory of everything. (3)Modern linguistics _(emerge)as a distinct field in the nineteenth century. 【答案】(1)emerging(2)emergence(3)emerged完成句子(4)So how did Japan finally _ its banking c

9、risis?那么日本最终是如何度过银行业危机的呢？(5)With the rapid development of Chinas economy, express presents great vitality as _. 随着我国经济的飞速发展，快递业作为一个新兴产业展现出了蓬勃生机。【答案】(4)emerge from(5)an emerging industry(6)Language emerges and develops with the _ _ of society. 语言是随着社会的产生而产生，随着社会的发展而发展的。(7)The result would be a more b

10、alanced recovery in America and the _. 结果是在美国和新兴经济体中出现更加平衡的经济复苏。【答案】(6)emergence and development(7)emerging economies2evaluation n.评估，评价(P113)The third stage is called “evaluation”【翻译】第三个阶段被称之为“评估”。【语言提升】evaluation 评价；估价；赋值；估计价值(复数形式为evaluations)The writer discusses the evaluation of evidential matt

11、er in two ways. 作者从两方面讨论了证据评估。Usually, our teachers often give some evaluation on us according to the performance in their eyes. 通常，我们老师经常根据在他们眼中我们的表现来对我们作出评价。The Chinese peoples evaluation of Cao Cao mainly comes from the Romance of the Three Kingdoms by Luo Guanzhong novelist Luo Guanzhong. 国人对曹操的

12、评价主要源于明代小说家罗贯中所著的三国演义。evaluate vt. 评价；估价；求的值vi. 评价；估价(过去式：evaluated，过去分词：evaluated，现在分词：evaluating，第三人称单数：evaluates)Dont evaluate people by their clothes. 不要根据衣着来评价人。The market situation is difficult to evaluate. 市场形势难以评估。On February 19, committee of teachers will evaluate materials and give opinion

13、s. 在2月19日，教师委员会将对材料进行评估并提出意见。【针对练习】单句语法填空(1)He got a good _(evaluate)(2)First, assist him in _(evaluate) his life. 【答案】(1)evaluation(2)evaluating完成句子(3)We _ how well the policy is working. 我们需要对这一政策产生的效果作出评价。(4)The way the guests were treated in the hotel influenced _ the service. 客人在酒店受到的待遇影响了他们对服务

14、的评价。【答案】(3)need to evaluate(4)their evaluation of(5)Writing down your progress allows you _ _ your work. 写下你的进度可以让你客观地评估你的工作。【答案】(5)to objectively evaluate1(P112)Then you cant help shouting out: “Aha! Thats it！”【翻译】然后你情不自禁地大喊：“哈哈，就是它！”【句式剖析】cant help doing sth. 为固定结构，意为“情不自禁，忍不住做某事”。句式解读【句式提升】cant h

15、elp (doing)不禁，忍不住，无法控制通俗点讲，cant help (doing)是指看到某物而想起了什么，睹物生情，或是受到某事物刺激而引起了另外一个动作。She couldnt help smiling. 她禁不住笑了起来。I cant help feeling sorry for the poor man. 我不禁为这个可怜的男人感到难过。She is a very selfish woman, but somehow you cant help liking her. 她是个自私的女人，但是你都忍不住喜欢她。请注意此句式与cant help to do sth. 的区别：She

16、cant help to clean the house because shes busy making a cake. 因为她忙于做蛋糕，所以她不能帮忙打扫房子的卫生。cant help to do sth. 意为“不能帮助做某事”。Look at these dirty clothes. 你看看这些脏衣服。Sorry, dear. I cant help (to)wash them because I have to go to work today. 对不起，亲爱的，我因为今天要上班，不能帮你洗衣服了。在实际使用中，有时还可以用cant help sb. doing sth. 结构，表

17、示“不能使某人不做某事”。如：I couldnt help him saying that. 我不能让他不这样说。She could not help the tears of rage rolling down her face. 她止不住她愤怒的眼泪顺着面颊流下来。【针对练习】单句语法填空(1)She couldnt help _(envy)Helen. (2)While shopping, people sometimes cant help _ (persuade)into buying something they dont really need. 【答案】(1)envying(2

18、)being persuaded完成句子(3)Whenever I hear the story, I _. 我不管何时听到这个故事，都忍不住要哭。(4)We _ by their zeal. 我们不由得被他们的热情感动。【答案】(3)cant help crying(4)cannot help being moved(5)We _ us just now. 刚才我们无法让他们不看到我们。(6)I _ her accident. 我总忍不住想起她的那起事故。(7)She _ the conversation at that time. 在那时，她忍不住偷听对话。【答案】(5)couldnt h

19、elp them seeing(6)cant help thinking about(7)couldnt help overhearing2(P113)After you deeply become involved in an area, you do nothing. 【翻译】在你深入一个领域后，你什么都不做。【句式剖析】“After you deeply become involved in an area”是after引导的时间状语。【句式提升】(1)after的意思是“在之后”，引导时间状语从句时的常见用法如下：遵循“主将从现”的原则He will go to Beijing to

20、work after he graduates from the university. 他大学毕业后将去北京工作。从句表示的动作发生在主句动作之前，如果强调从句的动作发生在前，从句时态要用过去完成时，主句用一般过去时。He went out for a walk after he had finished the work. 他完成这项工作后出去散步。从句表示的动作发生在主句动作之前，如不强调动作的先后，主句和从句均用一般过去时。He went to bed after he finished his homework last night. 昨晚他完成家庭作业后就上床睡觉了。(2)when

21、, before, after引导时间状语的区别：when引导时间状语从句时表示“当的时候”，when既可以指时间段也可指时间点，从句中既可用延续性动词又可用非延续性动词，且动作既可和主句的动作同时发生又可在主句的动作之前或之后发生。注意体会如下例句：Ill call you when I get there. 我一到那里就给你打电话。When the wind blows, all the doors rattle. 只要风一吹，所有的门就吱嘎作响。He stopped trying, when he might have succeeded next time. 他不再试了，其实他可能下一

22、次就会成功。When I came home, my wife was cooking dinner. 我回家时，妻子正在做晚饭。before引导时间状语从句时表示主句的动作发生在从句动作之前。See me before you leave. 在你离开之前来见我。Before they drive any of the buses, they will have to pass a special test. 在驾驶公共汽车之前，他们必须通过专门测验。after引导时间状语从句时表示主句的动作发生在从句动作之后。I saw them after I arrived. 在我抵达之后，我见到了他们

23、。I found his pen after he has left. 在他走后，我找到了他的笔。【针对练习】完成句子(1)It will be four days _. 他们要过四天才能回来。(2)Einstein almost knocked me down _. 爱因斯坦几乎把我撞倒才看到我。【答案】(1)before they come back(2)before he saw me(3)My father had left for Canada just _. 我父亲恰好在信到之前去加拿大了。(4)They had not been married for four months _

24、. 他们结婚还不到四个月就离婚了。(5)_，please let me know what you decide. 你仔细考虑过以后，告诉我你的决定。【答案】(3)before the letter arrived(4)before they were divorced(5)After you think it over(6)_，we went home. 完成工作之后，我们回家了。(7)Youll feel better _. 吃完这些药丸后你会感到好一些。【答案】(6)After we had finished the work(7)after you take the pills随堂知能

25、小练一、单词拼写1Software is different because it is an _(新兴的) reality. 2Hes completely _(一窍不通的)about computers. 3How will this affect your next performance _(评估)? 【答案】1emerging2clueless3evaluation4Authentic Italian cooking is very healthywitness the low _(发生率) of heart disease in Italy. 5The _(潜伏)period lasts approximately 1014 days after contact. 【答案】4incidence5incubation二、单句语法填空1We saw the _(emerge)of f