单项选择题


第一节
听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
What will they do tomorrow

[A] They will meet later.
B. They will not be able to see each other.
C. The woman has got something to do.
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热门 试题

单项选择题
Which of the following gives a general idea of how the noise-killing system works
A．By producing pressure waves going in the opposite direction.
B．By mixing high frequency sound waves with low frequency sound waves.
C．By mixing new sound waves with the noise and sending them out together.
D．By making copies of tire unwanted sound waves and letting them out a little later.
单项选择题
Within only one week, ______.
A．23 persons lost their lives
B．protestants took away seven lives
C．more than twice attacks happened to Belfast
D．most of the dead were Catholics
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