高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists精品教学作业ppt课件

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists精品教学作业ppt课件，共8页。
UNIT1 SCIENCE AND SCIENTISTS Learning About Language 教学设计基本信息科目英语年级册次高二选择性必修二Unit 1姓名学校教材分析Discover useful structures主题语境:人与社会主题群:科学与技术子主题:科学家与科学研究语篇类型:文本、练习文本分析:[What]本节课围绕主题语境设计了三个活动:第一部分是在阅读课文中画出表语从句并解释表语从句的意思及功能。第二部分是根据语境使用表语从句回答与课文相关的问题。第三部分为综合运用,首先在单元主题语境下先选出表语从句的引导词,然后在具体的语境下使用表语从句完成对话。[Why]在本单元的主题语境中学习表语从句,让英语句式表达更丰富多彩。[How]本课以例句示范、补全句子、写句子的形式，使学生识别表语从句的特征,练习表语从句的用法,并用表语从句把句子补充完整,在语法学习的过程中加深对主题意义的理解。学情分析学生在此前的学习中已经学习过表语，本课需要在学生已有的认知结构的生长出表语从句的知识，系统学习表语从句的连接词，涉及到as if/though,because以及表语从句中虚拟语气。教学目标1.能正确判断和运用表语从句的引导词。2.准确把握表语从句的语序、位置、时态、语气等。3.能掌握表语从句的不同句型结构。教学重难点重点:对表语从句的特征和具体用法的理解。难点：表语从句中虚拟语气用法表语从句的不同句型结构教学资源多媒体；学案；黑板；粉笔教学活动设计Activity 1 Reading the following sentences and underline the predicative.1.The person stood on playground is my headmaster.2.I don’t know that it was you at that time.3.My lucky number is six.4.The door remained closed.5.Mary’s job is cleaning the house.6.The house is not only large but also beautiful.7，When I went to your house,you were out.8.No one was in the classroom.9.My job is to teach you English.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。1.The truth is .2.All I know is .3.The point is .4.The reason was .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 我想知道是谁家强行闯入了 .The difficulty is 困难在于我们应该选择哪条路线 3.Home is 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 问题是我们能否降低产品的成本All she’s worried is about is 她所担心的是他是否安然无恙。引导词在句中充当的成分引导词主语宾语，表语定语状语不充当成分无意义且不能省略有意义(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 _______ he had made a serious mistake.2. He had made a serious mistake. That’s ______ he was fired by the company.conclusion:That’s why ... 意为__________________,强调_________,前_____后_____。That’s because...意为_______________,强调______,前_____后_____。The reason why she was sad was ________she failed the exam.She was sad. That was ___________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_______。because引导表语从句通常只用于_______________________ 结构中。总结句型为_________________________________________________________。(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 （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 . 真实条件句：她看起来似乎已经发胖了。 3. My suggestion is that we （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)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___________________________________. (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__________ I am anxious to telephone Mr. Smith but I have lost his number.2．I'm wondering ____________ you are always late for class.3．Can you tell me ____________ the strengths of the computers lie?4．My parents are very kind to me and always let me do ___________ I think I should do.5．We are talking about ____________ we admit students into our club.6．The reason why he didn't sign up for the course is ____________ he had no interest in body building.7．Contrary to ____________ many people might assume, evidence shows that sharks seldom attack humans.8．I am not sure ____________ or not he is willing to help me.9．What makes the school famous is ___________ more than 90% of the students have been admitted to universities.10．She gave up ___________ she was doing.短文填空Fill each blank with a word or expression that introduces a predicative clause.Science is simply________ you can do. And doing science makes you a scientist! So, what do scientists do? Actually, what matters is not only _________ they observe in the world around them and what questions they ask, but also _________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 ____________calculations they do and _______ they analyse their data to draw conclusions about the questions they ask. The final issue, which many believe to be the most important, is _________ they need to communicate their results. This is _________they want everyone to benefit from their work! It seems ___________ 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 ________ my father has taught me—to always face difficulties and hope for the best.[2021天津卷]What puzzles Lily’s friends is ________ she always has so many crazy ideas.[2019·江苏]The question, however, is ________ this is what the developing countries need the most.[2021·山东春招]The reason for his not coming is_______ his mother has been ill.[2022新高考II卷]Road accidents, which had fallen for years, are now rising sharply. That is partly __________ people are driving more.Assignment复习本节课表语从句相关知识完成本课同步练习BlackboardDesign Unit1 SCIENCE AND SCIENTISTSLearning About LanguageDiscover the useful structures 表语从句predicative（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(1)that引导的表语从句(2)连接副词引导的表语从句(3)whether引导的表语从句(4)连词，as if/though，because引导的表语从句(5)表语从句中的虚拟语气TeachingReflection表语从句属于名词性从句，是非常重要的一章语法。在之前的学习中，学生对于表语已经有了相关了解，本节课将继续学习表语从句，属于知识点拓展与深化，在学生已有的知识点中生长新的系统的语法知识。对于学生熟悉的部分，应引导学生提前复习，主动性激发原有认知结构，这样可以节约课堂时间提高学习效率，让学生轻松去获取新知，全面学习表语从句。