人教版 (新课标)必修1&2Unit 4 Earthquakes教学演示课件ppt

这是一份人教版 (新课标)必修1&2Unit 4 Earthquakes教学演示课件ppt，共12页。PPT课件主要包含了CONTENTS，whothat，关系代词，知识讲解，难点突破，课堂练习，难点巩固等内容，欢迎下载使用。

　　　 　　　　　I knw the by. 　　The by is dressed in blue.
I knw the by
is dressed in blue.
———————————————
The watch is made in China.I bught the watch yesterday.
The watch that I bught yesterday is made in China.
　宾语（物）that可以省略
The by is Peter.The by is playing basketball.
The by that is playing basketball is Peter.
The usage f relative prnuns
2.关系代词: wh 先行词指人,在从句中作主语或宾语
The leader visited ur factry last week。The leader is frm France.
The leader wh visited ur factry last week is frm France
主语（人）wh 替换成that
3. 关系代词: which 先行词指物,在从句中作 主语.宾语.表语。（作宾语可省略）
These are the trees. Trees were planted last year.
These are the trees which were planted last year.
主语（物）which替换成that
We are discussing sme prblems.We meet sme prblems.
We are discussing sme prblems (which) we meet.
4. 关系代词: whse先行词既可指人也可指物,在从句中作定语,表示…..的。
This is the bk。This bk’s cver is blue.
This is the bk whse cver is blue.
the cver f which
I have a friend. The friend’s father wrks in a factry.
I have a friend whse father wrks in a factry.
the father f whm
Knwledge extensinthat和which区别：以下情况，引导词用that，不用which：
1. 先行词为不定代词;2. 先行词前有形容词最高级、序数词修饰时;3. 先行词被the nly，the very，the last等词 修饰时，用that;4. 先行词同时指人和指物时，用that;5. 定语从句内容为解释名词的性质、概念时，需用that。
选择题 　1. The girl _____ yu saw in the street is Wang Mei. 　　　A. that B. whse C. which D. as 　　2. This is the best bk _____ I have been lking fr all this year. 　　　A. whB. whm C. which D. that　3. The place _______interested me mst was the Children's Palace. 　　　　A. which B. where C. what D. in which　4. Is there anyne in yur class ______family is in the cuntryside? 　　　　A. wh B. wh‘s C. whse D. which　　　5. I want t use the dictinary ______was used yesterday. 　　　　A. wh B. which C. what D. as 　6. He talked a lt abut things and persns _______they remembered in the schl. 　　　　A. which B. that C. whm D. what
In this lessn, we mainly learn and master the usage f the wrds f that, which,wh and whse, besides, let students tell the difference between that and which and knw hw t use them crrectly.
that和which区别： 以下情况，引导词用that，不用which: 1. 先行词为不定代词; 2. 先行词前有形容词最高级、序数词修饰时; 3. 先行词被the nly，the very，the last等词 修饰时，用that; 4. 先行词同时指人和指物时，用that; 5. 定语从句内容为解释名词的性质、概念时，需用that。