题目内容

The author of the passage is primarily concerned with

A. promoting mammalian sleep research
B. documenting the importance of non-REM sleep in hormone regulation
C. describing the role of sleep in human behavior. and development
D. arguing that humans need more sleep to function optimally
E. illustrating the importance of REM sleep to brain function

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甲、乙公司签订一份买卖合同。甲公司在合同约定的交货期前，有充分的证据证明乙公司经营状况严重恶化，甲公司有权解除合同。 ()

A. 正确
B. 错误

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What is true about the greenhouse effect according to the passage？

A. It has been a disastrous process with earth for centuries.
B. Greenhouse gases prevent sunlight from reaching the earth and the heat from radiating back.
C. The greenhouse effect would never allow life to form.
D. The more greenhouse gases are released, the warmer the atmosphere will be.

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The reactions of receivers to a message may vary owing to ______.

A. their different abilities to encode
B. their different communication skills
C. their different ideas and feelings
D. their different relationships

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听力原文：M: (23) Joy, I need your advice. My Chinese friend has invited me to his home for dinner tonight.
W: Oh, how nice! That's for the Mid-autumn Festival, isn't it？
M: Yes, he said all his family and relatives would get together and enjoy a big dinner.
W: And mooncakes, too. That's what the Mid-autumn Festival is all about.
M: So in China the Mid-autumn Festival is the occasion for families to get together and have fun.
W: Exactly.
M: What do you do when you're invited to someone's house here？
W: Well, it's always good to bring a small gift although it's not absolutely necessary.
M: What do people usually bring？
W: For a festival you can bring something like wine or tea. It's also common to bring fruits when visiting a family.
M: Really？ (25) We only bring fruits when we visit people in hospital.
23. What are the two speakers talking about？
24.What may the man do when going to his Chinese friend's house？
25.When do people usually bring fruits in the man's country？
(20)

A. They are discussing the Mid-autumn Festival.
B. They are discussing the big dinner.
C. The man is asking for some advice on going to a friend's home.
D. The man is asking if he can bring fruits.

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The author of the passage is primarily concerned with

A. promoting mammalian sleep research B. documenting the importance of non-REM sleep in hormone regulation C. describing the role of sleep in human behavior. and development D. arguing that humans need more sleep to function optimally E. illustrating the importance of REM sleep to brain function

甲、乙公司签订一份买卖合同。甲公司在合同约定的交货期前，有充分的证据证明乙公司经营状况严重恶化，甲公司有权解除合同。 ()

What is true about the greenhouse effect according to the passage？

The reactions of receivers to a message may vary owing to ______.

A. promoting mammalian sleep research
B. documenting the importance of non-REM sleep in hormone regulation
C. describing the role of sleep in human behavior. and development
D. arguing that humans need more sleep to function optimally
E. illustrating the importance of REM sleep to brain function