| 1. 单选题 | |
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The air quality in the city, ________ is shown in the report, has improved over the past two months.
A . it
B . that
C . which
D . as
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| 2. 单选题 | |
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____is known to us all, April 14, 2010 was the day when Yushu earthquake happened.
A . Which
B . As
C . That
D . Who
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| 3. 单选题 | |
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Do not talk about such things ________ you do not understand.
A . that
B . which
C . as
D . where
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| 4. 单选题 | |
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______, the population of China is the largest in the world.
A . It is well known that
B . That is well know
C . Which is well known
D . As is well known
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| 5. 单选题 | |
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________ is known to all, friendship plays a very important part in our social life.
A . What
B . That
C . As
D . It
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| 6. 单选题 | |
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_______ is worldwide shown, great activities were held on the evening of Oct 1st to celebrate our motherland's 70th anniversary.
A . As
B . It
C . What
D . Which
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| 7. 单选题 | |
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She failed the exam again, ________ was unexpected.
A . as
B . which
C . it
D . but
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| 8. 单选题 | |
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________ is often the case with children, Tom was better by the time the doctor arrived.
A . It
B . That
C . What
D . As
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| 9. 单选题 | |
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Many lessons are now available online, from _____ students can choose for free.
A . whose
B . which
C . when
D . whom
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| 10. 单选题 | |
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The other two areas ________ the two varieties differ are spelling and pronunciation.
A . in that
B . from which
C . with which
D . in which
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