高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists公开课课件ppt

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公开课课件ppt，共23页。PPT课件主要包含了Lead in ，表语从句的概念，系动词，that，不充当，whether，究竟到底， what，which，who等内容，欢迎下载使用。

①His dream is t defeat Chlera. ②He finally became a successful scientist.③The causes f the disease remain unknwn t the public. ④The results f the experiment sund reasnable.
Learn abut smething abut Jhn Snw and analyze what part des the underlined part serve as in each sentence.
①What Jhn Snw shwed t the wrld was hw chlera culd be vercme. ②The exact places Snw marked n the map were where all thse wh died had lived.③Snw’s finding was that the pump water carried chlera germs.
Observe the sentences and think abut what is a predicative clause.
在复合句中，位于_________之后，充当________的名词性从句称作表语从句。
可以接表语从句的系动词有:be;feel, seem, lk, appear, sund, taste, smell;remain, keep, stay;becme, get, grw, turn, g, cme, run, fall;prve, turn ut.
Observe and Discver
In general, dctrs in thse days had tw cntradictry theries t explain hw chlera spread. One thery was ______ bad air caused the disease. Anther was ______ chlera was caused by an infectin frm germs in fd r water. (Para. 2) What is mre, in anther part f Lndn, a wman and her daughter had died f chlera after mving away frm Brad Street. It seemed ______ the wman liked the water frm the pump s much that she had it delivered t her huse every day. (Para. 3)
一、that 引导的表语从句
that ____ 意义，在表语从句中 ______ 成分,起______ 作用，________ 省略。
The questin is _________ we can rely n him. He ften tells lies.The questin is _________ we can finish the task n time, fr we have nly three days left.
二、whether 引导的表语从句
思考：可以用“if”来引导吗？
连接词whether起 _____ 作用，意为“_________________”，在句中也不作任何成分（注意：if ______引导表语从句)。
三、what, which, wh, whm, whse 等引导的表语从句
Tm is n lnger _______ he used t be.The questin is _______ f us shuld cme first. (我们两个中的哪一个)The prblem is ______ is really fit fr the hard jb.The imprtant thing is _______name shuld be put n the tp f the list.
连接代词 what, which, wh, whm, whse 除在句子中起 ______ 作用外，还可在从句中作 _____、_____ 或 ______，且各有词义。
四、where, when, why, hw 引导的表语从句
That’s _______ I can’t agree with yu.This is ______ Sara was late fr the meeting. (She missed the early bus.)This is _____ they vercme the difficulties.My strngest memry is ______ I attended an American wedding as a child.
连接副词where, when, why, hw除在句中起______ 作用外，在从句中还充当_______、______、______或______状语，本身具有词义。
It seems __________________ he desn’t knw the answer.It lks __________________ it is ging t rain.
五、as if / as thugh 引导的表语从句
as if / as thugh
as if / as thugh 引导的表语从句常置于_________ lk, seem, sund,be,becme 等_________。
The reasn why he is late fr schl is ________ he missed the bus.2. Why we decided t put ff the ftball match is ________ the weather was t bad.
当主句的主语是 _____________ 或 why 引导的 __________时常用 ______ 来引导表语从句，而不用 because。
3. I think that’s _____ he was s angry.4. I think it is ________ yu are ding t much.5. The reasn ______ he was s late is _____ it was raining hard.
that / this / it + is / was +why + ________ (原因 / 结果) 表示“_________________________”that / this / it + is / was + because + _______ (原因 / 结果) 表示“________________________”the reasn why … is that … 中 why 是引导 _________，that 引导的是 _________，表示“___________________”。
这 / 那就是……的原因
这 / 那就是因为……
6. My suggestin is that we ____________ (g) and help him.7. My advice is that we ____________ (get) there by train.
(shuld) get
当主句的主语是表示建议（suggestin, advice）、命令（rder）、要求（request, prpsal）、计划（plan）等的名词时，表语从句要用虚拟语气，即（shuld）+ 动词原形。
Practice and Apply
1. My wrry is if he can get there n time.2. The reasn why he failed was because he hadn’t studied hard.3. My advice is that he sees the dctr right away.4. The truble is what we are shrt f mney.
Cmplete the fllwing ideas by famus scientists with a wrd r expressin that intrduces a predicative clause and translate them in yur wn wrds.
Research is _________ I’m ding when I dn’t knw what I’m ding. (Werner vn Braun)
as thugh because that what whever why
Practice and Apply
2. The saddest aspect f life right nw is _______ science gathers knwledge faster than sciety gathers wisdm. (Isaac Asimv)
3. An expert can be _________ has made all the mistakes that can be made in a very narrw field. (Niles Bhr)
4. When different experiments give yu the same result, it is n lnger subject t yur pinin. That’s the gd thing abut science: It is true whether r nt yu believe in it. That’s _________ it wrks. (Neil deGrasse Tysn)
5. This applied science, which saves wrk and makes life easier, brings us little happiness. That is _________ we have nt yet learnt t make sensible use f it! (Albert Einstein)
6. There are nly tw ways t live yur life. One is ____________ nthing is a miracle. The ther is ____________ everything is a miracle. (Albert Einstein)