选择填空：
1. It was April 29,2011 Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
A. that B. when C. since D. before
2.)Gutter oil is illegally recycled cooking oil, contains chemicals that are harmful to the human body and can even cause cancer.
A. it B. which C. where D. that
3. Between the two parts of the concert is an interval, the audience can buy ice-cream.
A. when B. where C. that D. which
4. The old town has narrow streets and small houses are built close to each other.
A. they B. where C. what D. that
5. Whatever is left over may be put into the refrigerator, it will keep for two or three weeks.
A. when B. which C. where D. while
6. English is a language shared by several diverse cultures, each of ------- uses it somewhat differently.
A. which B. what C. them D. those
7. A bank is the place they lend you an umbrella in fair weather and ask for it back when it begins to rain.
A. when B. that C. where D. there
8. She has a gift for creating an atmosphere for her students ------ allows them to communicate freely with each other.
A. which B. where C. what D. who
9 Ted came for the weekend wearing only some shorts and a T-shirt, ------ is a stupid thing to do in such weather.
A. this B. that C. what D. which
10. She showed the visitors around the museum, the construction ------ had taken more than three years.
A. for which B. with which C. of which D. to which
11. The school shop, customers are mainly students, is closed for the holidays.
A. which B. whose C. when D. where
12.He was so pleased with all we had done for him he wrote us a letter to praise for it.
A. what; what B. what; that C. that; what D. that; that
13.The moon travels round the earth once every month, is known to everybody.
A. it B. as C. that D. what
14. is often the case with elder people, my grandma, talked about my new hairstyle for at least 50 minutes nonstop.
A. That B. Which C. As D. It
15.After graduating from high school, you will reach a point in your life ------- you need to decide what to do.
A. that B. what C. which D. where
16.The novel was completed in 1978, the economic system has seen great changes.
A. when B. during which C. since then D. since when
17.Books bring us into the presence of the greatest minds have ever lived.
A. which B. who C.不填 D. that
18.The world is made up of matter.
A. in that we live B. on which we live
C. where we live in D. we live in
19.David is such a good boy all the teachers like.
A. that B. who C. as D. whom
20.Is this the reason at the meeting for his carelessness in his work?
A. he explained B. what he explained
C. how he explained D. why he explained
21.He was very angry and I can still remember the way he spoke to me.
A. how B. that C. what D. which
22.That’s the new machine parts are too small to be seen.
A. that B. which C. whose D. what
23.I’ve become good friends with several of the students in my school ------- I met in the English speech contest last year.
A. who B. where C. when D. which 英语定语从句课件（二）
一、定义及相关术语
1．定语从句：修饰某一名词或代词的从句叫定语从句。定语从句一般紧跟在它所修饰的先行词之后。
2．先行词：被定语从句修饰的词叫先行词。
3．关系词：引导定语从句的词叫关系词。
关系词有关系代词和关系副词。关系代词有that, which, who, whom, whose, as等；关系副词有when, where, why等。
关系词通常有下列三个作用：A、引导定语从句；B、代替先行词；C、在定语从句中担当一个成分。例如：
The man who is shaking hands with my father is a policeman.
该句中，who is shaking hands with my father 是定语从句，修饰先行词the man， “who”是引导定语从句的关系词，代替先行词the man，在定语从句中作主语。
二、定语从句的种类以及区别
定语从句分为限制性定语从句和非限制性定语从句，现将它们之间的用法及区别列表如下
限制性定语从句
非限制性定语从句
和先行词的关系密切（删去后，影响整个句子意义的表达）
和先行词的关系不密切（是一种补充说明，删去后不影响整个句子意义的表达）
不用逗号分开
一般使用逗号分开
可用关系代词that引导
不可用关系代词that引导
可以省略（that，who，which在从句中担当宾语时可以省略）
不可以省略
可以替代（whom作宾语时，可用who或that替代）
不能替代
只可以修饰先行词，不可以修饰主句或主句的一部分
修饰整个主句或主句的一部分，此时定语从句前有逗号分开，只能用which或as引导。
请看下面例句的不同含义：
限制性：她有两个当解放军的儿子。
She has two sons who are P.L.A.men.
(Maybe she has other sons who are not P.L.A.men.)
非限制性：她有两个儿子，他们都是解放军。
She has two sons，who are P.L.A.men.
(She has only two sons.They are both P.L.A.men.)三、关系代词的用法区分
1.修饰物体时关系代词that和 which的区分
?只能使用that的情况：
（1）当先行词即有人又有物时。
eg. I won’t forget the things and the persons that I saw.
（2）当先行词被形容词最高级、序数词所修饰时。
eg. This is the first book that I bought myself.
The biggest bird that I caught is this bi...
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