单项选择题

Part A
You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer—A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE.

What does the man say about the weather

A．It’s worse than 30 years ago.
B．It remains almost the same as before.
C．There are more extremes in the weather.
D．There has been a significant rise in temperature.

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单项选择题

The Molecular Genealogy Research Group is building a database for the purpose of______

A．offering assistance in working out genealogy-related problems
B．solving many issues without relying on traditional written records
C．providing a pedigree chart of at least four generations in the world
D．confirming the assumption that all individuals are of the same origin

单项选择题

What does the woman think of the new drug

A．It can help solve complex problems.
B．It will most likely prove ineffective.
C．It is a new weapon against terrorists.
D．It will help detect all kinds of liars.