单项选择题

SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. What is the possible relationship between the man and the woman

A．They are close friends.
B．They are husband and wife.
C．They are boss and secretary.
D．They are manager and typist.

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问答题

[听力原文]The weather concerns everyone and has effect on nearly every human activity. It occurs within the atmosphere, the gaseous fluid that completely envelops the Earth. Weather is defined as the momentary, day-to-day state of the atmosphere over any place on the Earth’s surface. Climate, on the other hand, refers to weather averaged over a long period. The basic atmosphere conditions that make up the weather include precipitation, humidity, temperature, pressure, cloudiness, and wind. The air is constantly in movement. There also is a continuous exchange of heat and moisture between the atmosphere and the Earth’s land and sea surfaces. These ever-changing conditions can be scientifically analyzed. The science of observing and predicting the weather is known as meteorology.

单项选择题

In the third paragraph, the phrase go down the drain probably means _______.

A．lost in a wasteful way
B．draw off gradually
C．drink all the liquid from the cup
D．receive the waters of a lake

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