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听力原文：M: The speaker should raise his voice because we even can not catch a word
W: He speaks as loud as he could Actually the audience should be informed to be quiet
Q: What does the woman imply？
(15)
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A．New restriction will be placed on the use of animals.B．The scientists will be forbid
听力原文： From the beginning rivers have played an important part in the life of man. (29) Man of the earliest times used the rivers as a mean of travel. Today rivers still serve as a great waterway for the transport and people. In ancient times. man settled near rivers or on river banks and built up large empires. Water is Nature's most precious gift to man. Man needs water to irrigate his crops, to cook and to wash. (30)In nations all over the world, rivers mean life and wealth. They feed and clothe the nations around them. Water is also a source of energy and power. Man constructs dams across the river to control the water for irrigation and get the energy needed to drive generators The electrical power is then directed to homes，cities, factories and television stations. Man uses water each day. His main source of water comes from reservoirs. which in turn get their water from the rivers. Rivers also bring down soft and minerals from the mountains and deposit them on the plains building up rich river deltas for raising plants and crops. Fresh water life in rivers or in lakes fed by them provide man with food.(31)In a small way rivers help to keep man in good health and provide for his amusements. Various forms of water sports keep man strong and healthy. Rivers have run on this earth long before man. Man's future ability to live is uncertain. but rivers will flow on forever.
(30)
M: In just three weeks, and I am excited. I have been longing for the trip. But there are still a few things needed to be done before I go.
M: I must have my passport renewed and go to the travel agency to confirm something about the time schedule of the trip and the plane ticket. (23)But the trouble is how to do with my apartment while I am gone.
W: You are not going to give it up, are you？
M: (24)No way, I’ll never find another apartment around here, but I don’t like the idea of paying three months rent on an empty apartment, either.
W: I don't blame you. Perhaps you could rent it to someone else.
M: Yes, but to whom？
W: Mm, let me see, Oh, I know, an old colleague of mine, Jim Thomas, who is coming here to do some research this summer, from June to August.
M: That's exactly when I'll be away. (25)It sounds ideal, as long as the landlord agrees.
W: Yeah, you may first tell the landlord. I'll be calling Jim late this week anyway, so I'll mention it to him then.
M: Well, thanks, Bill. Let me know what happens.
(20)
The example of tadpoles, fish eggs and waterfowl is used to show that the activities of man could give rise to ______.
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