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1、Unit5 The First Aid (复习学案2）【学习目标】1. 让学生掌握并学会运用本文重点单词的用法。2. 让学生掌握并学会运用本文重点词组及句型、语法用法。【重点难点】1. 掌握本单元出现的不带的新单词和短语。2. 理解并能够自主运用重要语言点，如aim, typical, evident, adopt, attempt, figure, 【学情分析】1. 学会if引导的省略句的用法；2. 能够使用if引导的省略句的知识点作对相关题目，灵活使用。【导学流程】【回忆旧知】省略句种类例句说明主语的省略Beautiful day (= It is a beautiful day), is
2、nt it?Pity we live so far from the sea. (It is a pity we live so far from the sea.)有时也可省略整个句子的主语和谓语，只保留次要成分。She was poor but (she was) honest.-Did you know anything about the accident?-Not until you told me. (= I didnt know anything about it until you told me.)谓语的省略-what do you think made Mary so up
3、set?-Losing her new bicycle (made Mary so upset).状语从句的省略Seen from the plane (when it is seen from the plane), the house looks like tiny toys.If (it is) possible, Ill go there with you.注意状语从句中的主语同主句主语的一致性。不定式的省略The boy wanted to ride his bicycle in the street, but his mother told him not to. (not to
4、ride his bicycle in the street.)-Alice, why didnt you come yesterday?-I was going to (come yesterday), but I had an unexpected visitor.若不定式后面是完成时，省略时应保留have；不定式后含有动词be的结构时，也要保留be动词。-Did you tell him the news?-I ought to have (told him the news), but I didnt know how to speak.-Are you an engineer?-No
5、, but I want to be.【自主学习】状语从句中的省略用法一、如果从句的主语和主句的主语一致，且从句的谓语含有be动词的某种形式（am/is/are/was/were）可同时省略从句的主语和be动词的某种形式。1. when, while引导的时间状语从句e.g. 当你过马路的时候一定要小心。Do be careful when (you are) crossing the street.在我去工作的路上，我遇见了她。When/While (I was) on my way to work, I met her.2. if , unless，once引导的条件状语从句e.g. If
6、 (it is) properly treated, waste will do no harm to the environment.我不会去晚会的，除非我被邀请。Ill not go to the party unless (I am) invited.一旦你在超市里被抓到偷东西，你会受到惩罚的。Once (you are) caught stealing in a supermarket, you will be punished.3. though, although, whether, no matter whether/what/how/who等引导的让步状语从句e.g. 他很开心
7、，尽管他很贫穷。He was happy, though/although (he was) poor.他虽然年轻但懂得很多。Though (he is) young, he knows a lot. No matter how/However hard the task (is), we must fulfill it in time.（注：从句的主语和主句的主语不一致时，只省略从句中的be动词形式）4. as if, as though引导的方式状语从句e.g.She lay there, as if (she was) dead. （省略的主语和主句的主语一致）He opened his
8、 lips as if (he were going) to say something. 他张开嘴唇，好像要说什么话似的。He stood up as if/though (he wanted) to leave.（as if/though + to do表示一个将来的动作）二、than，as引导的比较状语从句中的省略用法：当不同的主语进行比较时，一般省略从句中的谓语；当从句中的主语与谓语（be动词除外）和主句中的主语与谓语相同时，通常省略从句中的主语和谓语，只保留比较部分。e.g. He is taller than his brother (is). I have as much as
9、confidence in you as (I have confidence) in him.【小组讨论】三、以if从句为代表的状语从句中的特殊省略用法：通常省略了it is, that is, there is/are。E.g.如果有必要的话，这个老庙会被重新修建。 If (it is) possible/necessary, this old temple will be rebuilt. If (that is) so, I will call you back at 5:00 pm. There are only a few books in our school library,
10、if (there are) any.四、定语从句中的省略用法关系词的省略关系代词that，which，whom等在限制性定语从句中充当宾语且不位于介词之后时，可以省略；in which或that在先行词way后作方式状语从句时可省略。e.g. 你昨天拜访的那个人是我的祖父。The man (that/who/whom) you visited last night is my grandpa.我不喜欢你对待这个女孩的方式。 I dont like the way (in which/that) you treat the girl.五、虚拟语气中if及should的省略1. 当条件状语从句中
11、有were, had, should等时省略if，把它们提至句首，形成倒装句。e.g. If I were a teacher, I would be strict with my students. = Were I a teacher, I would be strict with my students.2. Suggest, insist, order, require等表示建议、要求、命令的动词后接的名词性从句中，谓语动词常用“should+动词原形”, should可以省略。e.g. 医生建议他尽力去减肥。The doctor suggested that he (should)
12、try to lose weight.【当堂检测】1. (2014哈尔滨师范大学附属中学月考)All of the clothes in the shop are sold at half price, _otherwise noted.A. asB. ifC. untilD. unless2. (2014陕西咸阳高考模拟考试二)Just now the patient opened her mouth as if _something to her husband.A. saidB. sayC. to sayD. to have said3. (2014哈师大附中、东北师大附中、辽宁实验中学
13、一联)Hi, are you an engineer in Lenovo Group?No, but I_.A. want toB. want to beC. want soD. want it4. (2014济宁模拟)As is often the case, little Tom, if_, is most likely to stop crying soon.A. left ignoringB. left ignoredC. leaving ignoringD. leaving ignored5. (2014佳木斯一中高三第四次调研)He is ready to help others, seldom, _refusing them when they turn to him.A. if neverB. if everC. if notD. if any【课堂小结】_资
