人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists示范课ppt课件

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists示范课ppt课件，共29页。PPT课件主要包含了S+V+P，link verb，behind，how，that，why，where，引 导 词等内容，欢迎下载使用。

Read the qutes and find the clauses in them.
Understanding science and pushing the bundaries f science is what makes me immensely satisfied.
The next majr explsin is ging t be when genetics and cmputers cme tgether.
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.
Research is what I' m ding when I dn't knw what I'm ding.
Underline all the examples in the reading passage where nun clauses are used as the predicative. Then state their meaning and functins.
1.One thery was _____________________________________2. Anther was______________________________________________3. The truth was_________________________________________
that chlera was caused by an infectin frm germs in fd r water.
that bad air caused the disease.
that the water frm the Brad Street pump had been infected by waste.
Predicative 表语
③表示变化的词：g, get, turn, becme.
It lk as if…
It turned ut that…
Predicative is used ______ the link verb.
A sentence which is used as predicative is Predicative Clause表语从句.
Grammar Rules
Discver useful structures
Answer the fllwing questins using the infrmatin frm the reading passage as well as the predicative clauses.
EXAMPLE:What Was it that Jhn Snw shwed t the wrld?What Jhn Snw shwed t the wrld was hw chlera culd be vercme.1. What was Snw’s discvery in tw particular streets in Lndn?Snws discvery in tw particular streets in Lndn was that______________________________________________________
mre than 500 peple died in ten days.
2. What was Snw determined t find ut during the 1854 utbreak f chlera in Lndn? What Snw was determined t find ut was why_____________________________________________________
the chlera utbreak was s severe in the tw particular streets
3. What were the exact places(Snw marked n the map? )The exact places Snw marked n the map were where_____________________________________________4. What was the finding that Snw annunced?Snw's finding was that_______________________
all thse wh died had lived
the pump water carried chlera germs.
1.What Jhn Snw shwed t the wrld was chlera culd be 's discvery in tw particular streets in Lndn was the chlera utbreak was s severe that mre than 500 peple died in ten days.
Fill in a suitable wrd t cmplete the sentence
3.What Snw was determined t find ut was the utbreak culd have caused ver 500 deaths within ten days.
4.The exact places Snw marked n the map were all the dead peple had 's finding was it was the pump that was t blame fr the spread f chlera.
What are the leading wrds f the predicative clause?
Hw shuld we determine the leading wrd f a predicative clause?
hw,that,why,where...
Accrding t the structure f the clauses...
1. (2020·湖南长郡下学期试题)Having a psitive attitude and making full use f the benefits that the new srt f cmpetitin brings t us are really cunts.2. (2019·豫北名校联考)The mst pleasant thing f the rainy seasn is ne can be entirely free frm dust.3. (2020·安徽师大附中试题)She is is knwn as a nisy persn -she is always dying t knw what's ging n in thers' lives.4. (2019·辽宁八校联考)This is my father has taught me -t always face difficulties and hpe fr the best.
Fill in the blanks with leading wrds.
5. (2020·河北邢台八中试题)The questin is ________the tw cuntries can reach agreement at the cnference. 6. (2020·全国2.语法填空.改编)This is ________decrating with plants,fruits and flwers carries special significance. 7. (2018·江苏,21)By bat is the nly way t get here, which is ________we arrived.8. (2018·北京,11)Withut his supprt, we wuldn't be ________we are nw. 
Predicative Clause表语从句.
that 和what 的比较
10. As yu knw,reading is _______ I really lve,bth fr fun and knwledge.11. That fact is mre than seventy percent f the earth’s surface is cvered by water.
12. What I want t d is I can g up t him and thank him. 13. He has becme ________ he wanted t be ten years ag.
连接词that一般不能省略，但当主句中含动词d的某种形式时，that可以省略。
此处不能用 that，因为从句中少宾语。
9. The truth is the fg is t thick fr the bus t run that far.
14.The questin is we can finish ur wrk by tmrrw evening.A．if B．whether C．whenD．that15.That is I dn’t like ging abrad.A．becauseB．thatC． whichD．what16.The reasn is he gt up late. A. whyB. whatC. that D. because
Chse the best answer which suits the blanket frmA、B、C and D.
if 与whether均意为“是否”，但引导表语从句时，只能用whether, 不能用if。
because引导表语从句,常用结构：This/That/It is/was because...
reasn做主语或主语中包含事件的起因时,后面的表语从句表示原因时要用that来引导,而不用because
16.I was angry. That was he didn’t understand ’s he gt fired frm that firm.
我生气是因为他不理解我。(表语从句强调原因)
那正是他被公司解雇的原因。(表语从句强调结果)
18. (全国新课标I卷)Besides, table manners are yu shuld pay attentin t. 19. (北京卷)That's  I think the trip alng the Yangtze will be a better chice. 20. (福建卷)What's imprtant is we shuld stick at it.21. Li Lei is nw in a new jacket. He lks he were an American by.
David is talking t Maria abut their scientific research prject. First cmplete David's lines (A-E, using the wrds in the bx. Then put David's lines in the crrect rder and practice the cnversatin.
A: Abslutely ! Yu may nt believe it, but that was _____happened at the initial stage f ur grup's research n develping a vaccine fr malaria.B:Yes, it is. And it seemed________all the theries were useful, but the fact was______we culdn't persuade ne anther that ne thery was better than anther.
as if that what wh when Hw why whse which whether what
Discussin
C:Exactly The prblem was nt abut______________all ur theries were equally gd, but in deciding.____________thery t depend upn.D:We realised that what we cared abut was nt_______________aspect we needed t develp a thery in, but rather _________________we can reduce the cst f a vaccine withut reducing its effect!E: Yu're right. At last, we became fcused n the key issue, which was ___________we had t Cary ut the research in the first place.
Maria: This mix f thery and data is ne f the key characteristics f what we call science.David:__A_____Maria: With yur theretical framewrk?David:__________________Maria: Deciding n a thery is definitely f critical imprtance.David:_________________Maria This was when yu shuld have calmed dwn and gt dwn t ding sme sld wrk.David:_________________Maria: S what happened in the end?David:__________________
Wrk in grups. Answer the questins using predicative clauses accrding t the passage abve. Then share them with yur grup members.
What was David's grup's research? (David's grup's research was...) What was the prblem? (The prblem was ... )What was the key issue? (The key issue was ...)What did they care abut? (What they cared abut was ...)
David's grup's research was that they wanted t develp a vaccine fr malaria.
The key issue was why they had t carry ut the research in the first place.
(David's grup's research was...)
(The prblem was ... )
The prblem was that they had t decide which thery t depend upn.
(The key issue was ...)
(What they cared abut was ...)
What they cared abut was hw they culd reduce the cst f a vaccine withut reducing its effect.