2020-2021学年Unit 1 Science and Scientists课文内容ppt课件

这是一份2020-2021学年Unit 1 Science and Scientists课文内容ppt课件，共26页。

1. Understanding science and pushing the bundaries f science is what makes me immensely satisfied. —Bill Gates2. The next majr explsin is ging t be when genetics and cmputers cme tgether. —Alvin Tffler3. The dctr has been taught t be interested nt in health but in disease. What the public is taught is that health is the cure fr disease. —Ashley Mntagu4. Research is what I’m ding when I dn’t knw what I’m ding. —Wernher vn Braun
Find ut predicative clauses in each sentence.
在复合句中作表语的从句叫做表语从句。位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。
The usage f relatives连接词的用法
Observatin （观察）
The by’ truble is _________ he has many enemies.
The questin is _________ the brave by culd defeat his enemies.
Cnclusin 推论
一、由连接词that,whether引导的表语从句从属连词that的用法:①无意义　②不充当成分　③不可省略。 而whether有词义,意为“是否”。这时主句的主语常常是些抽象名词,如questin(问题),truble(麻烦),prblem(问题),result(结果),chance(可能性),suggestin(建议),idea(想法),reasn(理由)等。表语从句对主句主语进行说明、解释,使主语的内容具体化。The reasn fr his absence is that he hasn’t been infrmed.他缺席的原因是他没接到通知。
The pint is whether we shuld lend him the mney.关键在于我们是否应该借钱给他。
The mvie is _________ they want t see mst .
There are dzens f bks abut Harry Ptter in library. Hwever, what really makes him cnfused is _______ is the mst suitable ne fr his students.
The girl is _________ I like mst in the mvie .
二、由连接代词引导的表语从句连接代词wh,what,which,whm,whse等引导表语从句,在句中作主语、宾语等,代词不能省略。The questin is which f us shuld g.问题是我们哪一个应该去。The prblem was wh culd d the wrk.问题是谁能做这项工作。That’s what he is wrrying abut.那就是他在担心的事。
The questin is _________ we culd get s many mvies t see .
The cinema is very far, s the prblem is _________ we get there t see the new mvie .
三、由连接副词引导的表语从句连接副词when,where,why,hw在从句中充当时间、地点、原因或方式状语。G and get yur cat.It’s where yu left it.去把大衣拿来。就在你原来放的地方。I had neither a raincat nr an umbrella.That’s why I gt wet thrugh.我既没伞也没雨衣,那是我淋湿的原因。That is hw mice ruin many stres f grain every year.那就是老鼠每年毁坏大量粮食的方式。
It lked _________ he had seen the mvie quest.
四、由连词because,as if/as thugh等引导的表语从句It lked as if it was ging t snw.看起来好像要下雪了。That’s because we never thught f it.那是因为我们从未想过此事。
Usages f different subrdinating cnjunctins that can lead a predicative clause
Grup cmpetitin
Describe and GuessWhat is it?
1.The prblem is __________ culd find ut a cure fr the disease.What I have nt decided is ________ I am ging t visit.
wh whether
2.1）填适当的引导词看起来天要下雨了。 It lked just _____ _____ it was ging t rain.2）判断下列句子是否正确1.The prblem is whm can we get t replace suggestin is that we shuld start early tmrrw.
as if
3. 根据汉语意思补全下面句子。1） 这就是她昨天请假的原因。This is                                                                          .2）这可能是因为他太年轻了。It may be                                                                        .
why she had a day ff yesterday
because he is t yung
4.1）Bth my parents have given me sme advice n hw t save mney. But the questin is ______ advice I shuld take. 2）Understanding science and pushing the bundaries f science is ______ makes me immensely satisfied.
5.完成句子1.这就是去年举行运动会的地方。This is 　　　　　　　　　　　　　　　　　　　last year. 2.唯一的问题是这个过程会有多快。The nly questin is 　　　　　　　　　　　　　　　　　　　　　. 
where the sprts meeting was held
hw fast the prcess will be
6.翻译下列句子1.麻烦是我把他的地址丢了________________________________________2.问题是他们是否能帮我们。________________________________________.
The truble is that I have lst his address.
The questin is whether they will be able t help us.
表语从句在写作中的应用
The Predicative Clause Used in Writing
1. Cmplete Exercise 2 in Assessing Yur Prgress n P10.
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 .