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高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists学案设计
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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学案设计，共4页。
表语从句
[观察例句]
1．One thery was that bad air caused the disease.
2．The questin is wh will be the successful applicant fr the summer jb at the law firm.
3．Her cnfusin is whether she shuld stick t her wn way f life r fllw the American way.
4．What Jhn Snw was determined t find ut was why the 1854 utbreak f chlera in Lndn culd have caused ver 500 deaths within ten days.
5．Taking a year ff frm schl t travel abrad is what is generally called a gap year.
[归纳用法]
1．所有例句中的黑体部分都位于系动词be后，作表语，故都是表语从句，这些表语从句在词性上相当于一个名词。
2．例1由从属连词that引导；例2由连接代词wh引导；例3由从属连词whether引导；例4由连接副词why引导；例5由连接代词what引导。
表语从句放在连系动词之后，充当复合句中的表语。表语从句就是指一个句子作为表语，说明主语是什么或者怎么样。
一般结构为“主语＋系动词＋表语从句”。可接表语从句的连系动词有be，lk，remain，seem等。
1．从属连词that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
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。
My suggestin is that we shuld tell him.
我的建议是我们应该告诉他。
2．从属连词whether引导的表语从句
The pint is whether we shuld lend him the mney.
关键在于我们是否应该借钱给他。
[名师点津] if不能引导表语从句。
3．连接代词和连接副词引导的表语从句
The prblem is wh is really fit fr the hard jb.
问题是谁才真正适合做这份艰苦的工作。
This is what I am interested in.
这就是我所感兴趣的。
That's where I first met her.
那就是我第一次遇见她的地方。
4．because，as if/thugh等引导的表语从句
It's just because he desn't knw her.
这仅仅是因为他不认识她。
Nw it seems as thugh she had knwn Millie fr years.
现在好像她认识米莉已有好多年了似的。
It sunds as if smene is kncking at the dr.
听起来好像有人在敲门。
[即学即练1] 用where，when，that填空
①Lk at the high muntain.That is where we will get.
②The first time we met each ther was when we studied in that schl.
③My advice is that we (shuld) wrk tgether.
5．why和because引导的表语从句的区别
I didn't phne her，and that's why she gt angry with me.(强调“没打电话”这一结果)
我没有给她打电话。那就是她对我生气的原因。
I didn't phne her，and that's because I gt angry with her.(强调“生气”这一原因)
我没有给她打电话。那是因为我生她的气了。
[名师点津]
reasn作主语时，后面的表语从句表示原因时要用that引导，不宜用because。
6．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)。
My advice is that yu (shuld) practise speaking English as ften as pssible.
我的建议是你应该尽可能经常地练习说英语。
[即学即练2] 用why，that，because填空
①It was raining hard；that was why I came late.
②I came late；that was because it was raining hard.
③The reasn why I came late was that it was raining hard.
Ⅰ.单句语法填空
1．He gt caught in the heavy traffic.That was why he was late.
2．Energy is what makes things wrk.
3．We didn't set ut；it was because we wanted t wait until ur mther came back.
4．The mst pleasant thing f the rainy seasn is that ne can be entirely free frm dust.
5．A ship in harbr is safe，but that's nt what ships are built fr.
6．The truble is that I can't find my way.
7．What he wants t knw is whether we can finish ur wrk by tmrrw mrning.
8．The reasn why I was sad was that he didn't understand me.
9．That is what we are lking frward t.
10．Sam lked as if he didn't have a care in the wrld.
Ⅱ.完成句子
1．简再也不是十年前的那个样子了。
Jane is n lnger what she was ten years ag.
2．我获悉了你对英语校报的改革方案，那就是为什么我写信表达我自己观点的原因。
I read abut yur refrm f the schl English
newspaper，and that's why I'm writing t vice my pinin．
3．问题是他们是否能帮我们。
The questin is whether they will be able t help us．
4．那是因为他没有理解我。
That was because he didn't understand me．
5．事实就是我们队已经赢得了比赛。
The fact is that ur team has wn the game．
Ⅲ. 短文语法填空 (用适当的连接词填空)
Everyne knew 1. that Wendy was a famus writer，but n ne knew 2.where she came frm and 3. whether she was brn in 1961 was still a mystery. 4.What they did knw was 5.that she was lved by pr peple because she always helped 6.whever was in need f mney. Wendy was generus and helpful，but sme peple thught she was chasing fame. Wendy said she didn't understand 7.why they were s narrwminded，but it didn't matter 8.what thers thught f her. She just wanted t d 9.what(ever) she thught was right. She thught that was 10.where the meaning f life lied.
That's why...
意为“那是……的原因”，强调结果
That's because...
意为“那是因为……”，强调原因
表语从句
[观察例句]
1．One thery was that bad air caused the disease.
2．The questin is wh will be the successful applicant fr the summer jb at the law firm.
3．Her cnfusin is whether she shuld stick t her wn way f life r fllw the American way.
4．What Jhn Snw was determined t find ut was why the 1854 utbreak f chlera in Lndn culd have caused ver 500 deaths within ten days.
5．Taking a year ff frm schl t travel abrad is what is generally called a gap year.
[归纳用法]
1．所有例句中的黑体部分都位于系动词be后，作表语，故都是表语从句，这些表语从句在词性上相当于一个名词。
2．例1由从属连词that引导；例2由连接代词wh引导；例3由从属连词whether引导；例4由连接副词why引导；例5由连接代词what引导。
表语从句放在连系动词之后，充当复合句中的表语。表语从句就是指一个句子作为表语，说明主语是什么或者怎么样。
一般结构为“主语＋系动词＋表语从句”。可接表语从句的连系动词有be，lk，remain，seem等。
1．从属连词that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
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。
My suggestin is that we shuld tell him.
我的建议是我们应该告诉他。
2．从属连词whether引导的表语从句
The pint is whether we shuld lend him the mney.
关键在于我们是否应该借钱给他。
[名师点津] if不能引导表语从句。
3．连接代词和连接副词引导的表语从句
The prblem is wh is really fit fr the hard jb.
问题是谁才真正适合做这份艰苦的工作。
This is what I am interested in.
这就是我所感兴趣的。
That's where I first met her.
那就是我第一次遇见她的地方。
4．because，as if/thugh等引导的表语从句
It's just because he desn't knw her.
这仅仅是因为他不认识她。
Nw it seems as thugh she had knwn Millie fr years.
现在好像她认识米莉已有好多年了似的。
It sunds as if smene is kncking at the dr.
听起来好像有人在敲门。
[即学即练1] 用where，when，that填空
①Lk at the high muntain.That is where we will get.
②The first time we met each ther was when we studied in that schl.
③My advice is that we (shuld) wrk tgether.
5．why和because引导的表语从句的区别
I didn't phne her，and that's why she gt angry with me.(强调“没打电话”这一结果)
我没有给她打电话。那就是她对我生气的原因。
I didn't phne her，and that's because I gt angry with her.(强调“生气”这一原因)
我没有给她打电话。那是因为我生她的气了。
[名师点津]
reasn作主语时，后面的表语从句表示原因时要用that引导，不宜用because。
6．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)。
My advice is that yu (shuld) practise speaking English as ften as pssible.
我的建议是你应该尽可能经常地练习说英语。
[即学即练2] 用why，that，because填空
①It was raining hard；that was why I came late.
②I came late；that was because it was raining hard.
③The reasn why I came late was that it was raining hard.
Ⅰ.单句语法填空
1．He gt caught in the heavy traffic.That was why he was late.
2．Energy is what makes things wrk.
3．We didn't set ut；it was because we wanted t wait until ur mther came back.
4．The mst pleasant thing f the rainy seasn is that ne can be entirely free frm dust.
5．A ship in harbr is safe，but that's nt what ships are built fr.
6．The truble is that I can't find my way.
7．What he wants t knw is whether we can finish ur wrk by tmrrw mrning.
8．The reasn why I was sad was that he didn't understand me.
9．That is what we are lking frward t.
10．Sam lked as if he didn't have a care in the wrld.
Ⅱ.完成句子
1．简再也不是十年前的那个样子了。
Jane is n lnger what she was ten years ag.
2．我获悉了你对英语校报的改革方案，那就是为什么我写信表达我自己观点的原因。
I read abut yur refrm f the schl English
newspaper，and that's why I'm writing t vice my pinin．
3．问题是他们是否能帮我们。
The questin is whether they will be able t help us．
4．那是因为他没有理解我。
That was because he didn't understand me．
5．事实就是我们队已经赢得了比赛。
The fact is that ur team has wn the game．
Ⅲ. 短文语法填空 (用适当的连接词填空)
Everyne knew 1. that Wendy was a famus writer，but n ne knew 2.where she came frm and 3. whether she was brn in 1961 was still a mystery. 4.What they did knw was 5.that she was lved by pr peple because she always helped 6.whever was in need f mney. Wendy was generus and helpful，but sme peple thught she was chasing fame. Wendy said she didn't understand 7.why they were s narrwminded，but it didn't matter 8.what thers thught f her. She just wanted t d 9.what(ever) she thught was right. She thught that was 10.where the meaning f life lied.
That's why...
意为“那是……的原因”，强调结果
That's because...
意为“那是因为……”，强调原因
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