高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists获奖教案

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获奖教案，共8页。

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
Discver 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。
[Hw]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/thugh,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 fllwing sentences and underline the predicative.
1.The persn std n playgrund is my headmaster.
2.I dn’t knw that it was yu at that time.
3.My lucky number is six.
4.The dr remained clsed.
5.Mary’s jb is cleaning the huse.
6.The huse is nt nly large but als beautiful.
7，When I went t yur huse,yu were ut.
8.N ne was in the classrm.
9.My jb is t teach yu English.
Summary
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（lk ,taste ,feel , sund ,smell ）
变化类 （becme, turn, g ,grw，get, grw 等）
保持类 （keep , stay , remain, stand,lie等）
其他类 （turn ut , prve，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 clause
This is his jb.主+系+表
This is what he des 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 g withut water.
事实是鱼离开水不能存活。
1.The truth is .
2.All I knw is .
3.The pint is .
4.The reasn was .
②连接副词wh(ever),whm(ever),,whse,what(ever),when(ever), where(ever), hw(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 enugh mney.
他们的困难是他们到哪里能筹到足够的钱。
That is why they were late fr the meeting.
那就是他们会议迟到的原因。
Smething else I’d like t knw 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.Hme is regardless f where we g.
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 questin remains whether they will be able t 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 questin is 问题是我们能否降低产品的成本
All she’s wrried is abut 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/thugh, 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/thugh/like引导的表语从句常置于系动词lk, seem, sund, be, becme等后面，常用虚拟语气，也可用陈述语气。
He lked just as if he had lked ten years befre.
他看起来还与十年前一样。
It lks as if it is ging t rain.
天好像要下雨了。
Observe the sentences and summarize the special sentence patterns
He was fired by the cmpany. That’s _______ he had made a serius mistake.
2. He had made a serius mistake. That’s ______ he was fired by the cmpany.
cnclusin:
That’s why ... 意为__________________,强调_________,前_____后_____。
That’s because...意为_______________,强调______,前_____后_____。
The reasn why she was sad was ________she failed the exam.
She was sad. That was ___________she failed the exam.
cnclusin:
当表语从句描述原因, 主句主语为reasn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, suggestin, prpsal, request, rder, idea等，从句谓语形式是“shuld＋动词原形”(shuld可以省略，但不可换成wuld)。
His request is that they shuld stay here fr the night.
他请求他们应该在这儿逗留一晚。
My suggestin is that we (shuld) leave the village right nw.
我的建议是我们立刻离开这个村子。
He lks as if he （knw）the truth.
非真实条件句：他看起来好像知道了真相似的.
2,She lks like she .
真实条件句：她看起来似乎已经发胖了。
3. My suggestin is that we （have）a discussin abut 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 t start my wn business—that’s what I'd d if I had the mney.
(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 ur schl and it is n lnger ____________ . (what)
注意：表语从句使用陈述语序，used t 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 truble is__________ I am anxius t telephne Mr. Smith but I have lst his number.
2．I'm wndering ____________ yu are always late fr class.
3．Can yu tell me ____________ the strengths f the cmputers lie?
4．My parents are very kind t me and always let me d ___________ I think I shuld d.
5．We are talking abut ____________ we admit students int ur club.
6．The reasn why he didn't sign up fr the curse is ____________ he had n interest in bdy building.
7．Cntrary t ____________ many peple might assume, evidence shws that sharks seldm attack humans.
8．I am nt sure ____________ r nt he is willing t help me.
9．What makes the schl famus is ___________ mre than 90% f the students have been admitted t universities.
10．She gave up ___________ she was ding.
短文填空
Fill each blank with a wrd r expressin that intrduces a predicative clause.
Science is simply________ yu can d. And ding science makes yu a scientist! S, what d scientists d? Actually, what matters is nt nly _________ they bserve in the wrld arund them and what questins they ask, but als _________they use evidence r data t answer the questins. They identify useful data and take new measurements. Sme f the key issues that scientists face are ____________calculatins they d and _______ they analyse their data t draw cnclusins abut the questins they ask. The final issue, which many believe t be the mst imprtant, is _________ they need t cmmunicate their results. This is _________they want everyne t benefit frm their wrk! It seems ___________ science is all arund us. Yu see, by ding science, scientists get a better understanding f the wrld arund them and share that understanding with the whle wrld.
高考链接
[2018·北京卷]This is ________ my father has taught me—t always face difficulties and hpe fr the best.
[2021天津卷]What puzzles Lily’s friends is ________ she always has s many crazy ideas.
[2019·江苏]The questin, hwever, is ________ this is what the develping cuntries need the mst.
[2021·山东春招]The reasn fr his nt cming is_______ his mther has been ill.
[2022新高考II卷]Rad accidents, which had fallen fr years, are nw rising sharply. That is partly __________ peple are driving mre.
Assignment
复习本节课表语从句相关知识
完成本课同步练习
Blackbard
Design
Unit1 SCIENCE AND SCIENTISTS
Learning Abut Language
Discver 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（lk ,taste ,feel , sund ,smell ）
变化类 （becme, turn, g ,grw，get, grw 等）
保持类 （keep , stay , remain, stand,lie等）
其他类 （turn ut , prve，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/thugh，because引导的表语从句
(5)表语从句中的虚拟语气
Teaching
Reflectin
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。