高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists优质导学案

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优质导学案，文件包含Unit1ScienceandScientistsPeriod3Discoveringusefulstructures学案详解版doc、Unit1ScienceandScientistsPeriod3Discoveringusefulstructures学案原卷版doc等2份学案配套教学资源，其中学案共10页， 欢迎下载使用。

1.T further grasp the structural features f predicative clauses and their idegraphic functins.
2.T strengthen the ability f using predicative clauses in cntext
3.T prmte the ability f text analysis and lgical reasning cmpetence.
一: 从课本P2-p3课文中找到所有含有表语从句的句子，并划出其中的表语从句。
keys:
One thery was that bad air caused the disease.
Anther thery was that chlera was caused by an infectin frm germs in fd r water.
The truth was that the water frm the Brad Street had been infected by waste.
二: 表语从句知识竞赛填空。
在复合句中作___________________的从句，叫作表语从句。它位于主句的____________之后，对主语进行解释、说明，使主语的内容具体化。
表语; 系动词;
注意事项
(1)that与what的区别
that引导表语从句时，是连词，在从句中不作成分；what是连接_____________，引导表语从句时，在从句中作________________________________。
代词; 主语、宾语、表语或定语
My pinin is ______________we shuld cmmunicate with parents frequently.我的意见是我们应该经常和父母沟通。
what; that
(2)because与why的区别
because引导表语从句时强调_____________，why引导表语从句时强调____________。
原因; 结果
She ften cmes late. That's ______________she has a baby t take care f.
她经常迟到。那是因为她有一个孩子要照顾。
She has a baby t take care f. That's _______________she ften cmes late.
她有一个孩子要照顾。那就是她经常迟到的原因。
because; why
[点睛] 名词reasn作主语时，后面的表语从句表示原因时要用that引导，而不用because。
(3)虚拟语气用于表语从句
①在表示建议、劝告、命令等含义的名词后的表语从句中，谓语动词用________________________，shuld可以省略。
“shuld＋动词原形”
My suggestin is that____________________ a discussin abut this matter instead f just laying it aside.我的建议是我们应当讨论一下这件事，而不应该只是把它放在一边。
The dctr's advice is ________________________mre exercise.医生的建议是我们应该多做运动。
we (shuld) have; that we (shuld) take
②as if/as thugh引导的表语从句如果是事实，就用_____________语气；如果与事实不符，就用_____________________ (用一般过去时表示现在，过去进行时表示现在进行，过去完成时表示过去，culd/wuld/might＋动词原形表示将来)。
陈述; 虚拟语气
Tm likes t talk big as if he _______________an imprtant persn.
汤姆喜欢说大话，好像他是一个重要人物似的。
Dark cluds are gathering. It lks as if________________________.
乌云正在聚集。看起来好像要下雨了。(与事实相符)
were; it's ging t rain.
三：单句语法填空
1．The reasn fr yur mistake is that yu lack cnfidence in yurself.
2．The dubt is wh has gt away with the dcument.
3．She's been leading thrugh the race, but it nw lks as if she's tiring.
4．The best mment fr the ftball star was when he scred the winning gal.
5．Tm left immediately.That's because he nly had 10 minutes t get t his next jb!
6．What Tm's parents really dubt is whether he will recver frm the serius disease sn.
7．Every year, whever makes the mst beautiful kite will win a prize in the Kite Festival.
8．What yur father wants t knw is hw yu are getting n with yur studies.
9．My parents are very kind t me and always let me d what I think I shuld d.
10．Yu are saying that everyne shuld be equal, and this is where I disagree.
四：使用文章中的信息和表语从句回答下列问题。
1. What was it that Jhn Snw shwed t the wrld?
What Jhn Snw shwed t the wrld was___________________________.
2. What was Snw’s discvery in tw particular streets in Lndn?
Snws discvery in tw particular streets in Lndn was that___________________________
3. What was Snw determined t find ut during the 1854 utbreak f chlera in Lndn?
What Snw was determined t find ut was why ___________________________
4. What were the exact places (Snw marked n the map? )
The exact places Snw marked n the map were where__________________
5. What was the finding that Snw annunced?
Snw's finding was that __________________________
keys:
1.hw chlera culd be vercme.
2. the chlera utbreak was s severe that mre than 500 peple died in ten days
3. the utbreak f chlera had caused ver 500 deaths within ten days
4.all thse wh died had lived / all the dead peple had lived
5. the water pump was t blame fr the spread f chlera / the pump water carried chlera germs / water frm the Brad Street pump had been infected by waste
五：语境填空。
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.
as if that what wh when Hw why whse which whether
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.
C:Exactly The prblem was nt abut ______________all ur theries were equally gd, but in deciding ___________________thery t depend upn.
D: We realized 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.
keys: what; as if ; that; whether; which/what/whse; which/what/; hw; why
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.
Maria: This mix f thery and data is ne f the key characteristics f what we call science.
David: __ _____
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:__________________
keys: ACBED引导词
用法
例句
从
属
连
词
that、
whether
(不能用if)
that在从句中__________成分，that没有实际意义，不可省略；whether意为__________
不作；“是否”
My belief is ______________I will succeed by wrking hard.我的信念是通过努力我会成功。
The mst pleasant thing f the rainy seasn is _______________ne can be entirely free frm dust.雨季最令人愉快的事情是完全没有灰尘。
The prblem is ______________we can find them there.问题是我们能否在那里找到他们。
that; that; whether
because
说明主语所表示的事件发生的原因，意为___________“因为”
He has heart disease. That is ___________he has been smking t much.他有心脏病。那是因为他抽烟太多。
because
as if/thugh
从句表示的情况发生的可能性较小时常用______________
虚拟语气
It seems as if he__________ knw the answer.他好像不知道答案。
didn’t
连
接
代
词
wh(ever)、
whm(ever)、
whse、
what(ever)、
which(ever)
等
在从句中作主语、宾语、表语、定语等
Yu can be ______________yu want t be.你可以成为你想做的任何人。
Tm is n lnger_________ he used t be.汤姆不再是过去的那个他了。
whever; what
连
接
副
词
when、where、
why、hw等
在从句中作状语，表示时间、地点、原因、方式等
This is ____________I dn't agree with yu.这就是我不同意你的地方。
The questin is __________we can get in tuch with him.问题是我们怎样才能和他联系上。
That is ______________I gt wet thrugh.所以我才被淋湿了。
where; hw; why