人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists评优课教学作业ppt课件

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UNIT1 SCIENCE AND SCIENTISTSLearning About Language 导学案课前预习区预习自测I.根据词义写出正确的单词1. n.思想;思维;见解2. n.蛋白质3. _n.细胞;小房间;单间牢房4. n.病毒5. n.发现;调查结果;(法律)判决6. adj.最初的;开始的;第一的7. n.疫苗8 .n.框架;结构9. adj.可靠的;固体的;坚实的n.固体Ⅱ.短语互译1. carry out 2. decide on 3. calm down 4. in the end 5. depend upon/on 6. 有意义;讲得通7. 关心;在乎 8. 着手处理;开始做某事;开始认真注意(或对待)某事9 .原先;首先;起初;第一10. 集中(注意力、精力等)于…… Ⅲ.单词拼写1.The (发现)of the commission will be published today.2. She explained to us the (思想;见解)behind the campaign.3. Now that the (最初的;开始的) shock was wearing off, he was in considerable pain.4. With the appearance of teeth, a child can begin to eat (固体的)food.5. The paper offers a helpful (框架)for processing the news and thinking about the challenges we face.6. Thanks to proper measures, the number of the animals dying from the (病毒) is on the decrease.7. Fish was a major source of (蛋白质) for the working man.8.Those (细胞)divide and give many other different types.9. Seven million doses of (疫苗) are annually given to British children.10. Use separate chopping boards for (生的) meats, cooked meats, vegetables and salads.参考答案预习自测I.1. thinking 2. protein 3. cell 4.virus 5. finding 6. initial 7. vaccine8. framework 9. solidII.1.执行;实施2.决定3.冷静下来4.最后;终于5.依靠;依赖6. make sense7. care about8. get down to9. in the first place10. focus onII.1. finding 2.thinking 3.initial 4. solid5. framework 6.virus 7.protein 8. cells 9. vaccine 10. raw课中学习区Activity 1 Reading the following sentences and underline the predicative.1.The person stood on playground is my headmaster.名词作表语2.I don’t know that it was you at that time.代词作表语3.My lucky number is six.数词作表语4.The door remained closed.过去分词作表语5.Mary’s job is cleaning the house.现在分词作表语6.The house is not only large but also beautiful.形容词作表语7，When I went to your house,you were out.介词作表语8.No one was in the classroom.介词短语作表语9.My job is to teach you English.动词不定式作表语Summarypredicative（表语）结构：主语+系动词+表语系动词be 类（am/is/are，was/were）感官类（look ,taste ,feel , sound ,smell ）变化类 （become, turn, go ,grow，get, grow 等）保持类 （keep , stay , remain, stand,lie等）其他类 （turn out , prove，seem，appear 等）作用：说明主语的身份、性质、品性、特征或状态成分：在简单句中，通常由名词、代词、数词、介词、形容词、副词、介词短语、过去分词、现在分词、不定式充当Predicative clauseThis is his job.主+系+表This is what he does every day.表语从句：在复合句中作表语成分的从句(1)that引导的表语从句that引导表语从句仅起连接作用，无意义，在句中不作任何成分，通常不能省略。这种从句往往对主句主语的内容起进一步解释的作用。The fact is that fish can't go without water.事实是鱼离开水不能存活。The truth is that Paul told a lie 真相是保罗撒谎了。 .2.All I know is that she once worked in a bank我只知道她曾在银行工作 .The point is that we should depend on ourselves 关键是我们应该依靠自己 .The reason was that you don’t trust her 原因是你不信任她 .②连接副词who(ever),whom(ever),,whose,what(ever),when(ever), where(ever), how(ever), which(ever),why除在句中起连接作用外，在从句中还充当时间、地点、方式或原因状语，本身具有词义。Their difficulty is where they can raise enough money.他们的困难是他们到哪里能筹到足够的钱。That is why they were late for the meeting.那就是他们会议迟到的原因。Something else I’d like to know is whose house was broken into 我想知道是谁家强行闯入了 .The difficulty is which route we should choose困难在于我们应该选择哪条路线 3.Home is wherever we are together regardless of where we go. 不管我们去哪里，我们聚在一起的任何地方都是家。(3)whether引导的表语从句The question remains whether they will be able to help us.[关键点拨]　if只能引导宾语从句，whether可引导宾语从句、表语从句、主语从句和同位语从句。The question is whether we can reduce the cost of the product问题是我们能否降低产品的成本All she’s worried is about is whether he is all right她所担心的是他是否安然无恙。(4)连词as if/though, because等引导的表语从句because引导表语从句通常只用于“This/That/It is/was because...”结构中。as if/though/like引导的表语从句常置于系动词look, seem, sound, be, become等后面，常用虚拟语气，也可用陈述语气。He looked just as if he had looked ten years before.他看起来还与十年前一样。It looks as if it is going to rain.天好像要下雨了。Observe the sentences and summarize the special sentence patterns He was fired by the company. That’s _because______ he had made a serious mistake.2. He had made a serious mistake. That’s ___why___ he was fired by the company.conclusion:That’s why ... 意为__那是…...的原因_____,强调_结果________,前__因___后__果___。That’s because...意为__那是因为…...___,强调__原因____,前__果___后__因___。The reason why she was sad was __that______she failed the exam.She was sad. That was ______because_____she failed the exam. conclusion:当表语从句描述原因, 主句主语为reason时，连接词用___that____。because引导表语从句通常只用于__This/That/It is because结构中。总结句型为______The reason why ... was/ is that ..._。(5)表语从句中的虚拟语气在表语从句中，表示间接的命令、要求、请求、建议、决定等，主句中的主语通常是：advice, suggestion, proposal, request, order, idea等，从句谓语形式是“should＋动词原形”(should可以省略，但不可换成would)。His request is that they should stay here for the night.他请求他们应该在这儿逗留一晚。My suggestion is that we (should) leave the village right now.我的建议是我们立刻离开这个村子。He looks as if he knew （know）the truth. 非真实条件句：他看起来好像知道了真相似的.2,She looks like she she has already put on weight . 真实条件句：她看起来似乎已经发胖了。 3. My suggestion is that we (should) have （have）a discussion about this matter. 我的建议是我们应该讨论一下这件事。Practice makes perfect句式仿写I’d like to start my own business—that’s what I'd do if I had the money.(what 在表语从句中作宾语)句式仿写：近几年来，我们的学校发生了很大的变化，已经不再是过去的样子了。 In the past few years, great changes have taken place in our school and it is no longer _what it used to be . (what)注意：表语从句使用陈述语序，used to be 过去常常......2.He failed the exam. That’s because he didn’t review. (That’s because...结构)句式仿写：他失败了，那是因为他没有努力工作。He failed. That is____because he didn’t work hard . (That’s because)含有表语从句的复合句中，主句时态和从句时态可以不一致。Ⅰ.单句语法填空1．The trouble is___that_______ I am anxious to telephone Mr. Smith but I have lost his number.2．I'm wondering ___why_________ you are always late for class.3．Can you tell me ___where_________ the strengths of the computers lie?4．My parents are very kind to me and always let me do ___what/whatever________ I think I should do.5．We are talking about _whether___________ we admit students into our club.6．The reason why he didn't sign up for the course is ___that_________ he had no interest in body building.7．Contrary to _what___________ many people might assume, evidence shows that sharks seldom attack humans.8．I am not sure _____whether_______ or not he is willing to help me.9．What makes the school famous is _whether__________ more than 90% of the students have been admitted to universities.10．She gave up _____what______ she was doing.短文填空Fill each blank with a word or expression that introduces a predicative clause.Science is simply___what_____ you can do. And doing science makes you a scientist! So, what do scientists do? Actually, what matters is not only ____what_____ they observe in the world around them and what questions they ask, but also __how_______they use evidence or data to answer the questions. They identify useful data and take new measurements. Some of the key issues that scientists face are __what__________calculations they do and _how___ they analyse their data to draw conclusions about the questions they ask. The final issue, which many believe to be the most important, is __why_______ they need to communicate their results. This is _______because__they want everyone to benefit from their work! It seems __that/as if_________ science is all around us. You see, by doing science, scientists get a better understanding of the world around them and share that understanding with the whole world.高考链接[2018·北京卷]This is _what_______ my father has taught me—to always face difficulties and hope for the best.what 在表语从句中作taught me的直接宾语[2021天津卷]What puzzles Lily’s friends is _why_______ she always has so many crazy ideas.why在从句中作原因状语[2019·江苏]The question, however, is ___whether____ this is what the developing countries need the most.主句主语question含有疑问含义，且从句结构完整不缺成分，所以填whether[2021·山东春招]The reason for his not coming is___that____ his mother has been ill.The reason 做主语，且从句结构完整，所以填that。固定句型The reason for....is that...[2022新高考II卷]Road accidents, which had fallen for years, are now rising sharply. That is partly __because________ people are driving more. 从句结构完整，根据句意填because引导词在句中充当的成分引导词主语who, what, which, whoever, whatever, whichever宾语，表语 whom, who, what, which, whoever, whatever, whichever定语 whose, which, what状语 when, where, why, how不充当成分无意义且不能省略that有意义whether, because, as if, as though