34. _________ is known to all is that the earth goes round the sun. A．WhatB．AsC．

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34. _________ is known to all is that the earth goes round the sun.

A．What

B．As

C．It

D．Which

答案

解析

略

举一反三

29. Do you think ______ possible for her to work out the difficult problem all by herself?

A．this

B．that

C．her

D．It

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23．Today，we take washing machines for granted，but there was before 1869．

A．any

B．no

C．nothing

D．None

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PART TWO: LANGUAGE KNOWLEDGE （45分）
Section A （15分）
Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose one answer that best completes the sentence.
21. Trees are useful to man mainly in three ways, the most important of which is that they can protect ______ from droughts (干旱) and floods.
A. it B. itself C. himself D. Him

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17. Jane, I told you I don’t like ______ when you go out with your friends every night.

A．this

B．that

C．不填

D．It

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3. —How long are you staying there?
— _____depends.

A．It

B．Anything

C．This

D．Everything

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