第一部 （共20小题，每小题1.5分，满 30分）
1．The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it.
A ．until B ．because
C．though D ．unless 【答案】B
2．You can use a large plastics bottle, _________ cut off, as a plot to grow flowers in.
A ．with its top B ．the top of which
C．whose topD ．its top is 【答案】A
3．She is stubborn in resisting his enquiries about the Moonstone _____ the degree that she makes it seem as if she does
not want the mystery ______.
A ．on; to solve B ．with; solving
C．for; being solved D ．to; to be solved 【答案】D4．My sister met him in the street yesterday