题目内容

CO2is the only greenhouse gas that will trap the Sun's radiation within the troposphere.

A. Y
B. N
C. NG

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The sea level is going to rise due to the melting ice on land caused by increasing temperature.

A. Y
B. N
C. NG

Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文：W: It's good to see you again. What are you doing these days？ You're still working at the same place, aren't you？
M: Yes, I am. And I'm counting the days until retirement.
Q: What can we learn about the man？
(12)

A. He loves his present job.
B. He is going to open a store.
C. He is about to retire.
D. He works in a repair shop.

当采用延期付款信用证(即迟付信用证)时，出口商将无法利用贴现市场的资金，只能自行垫款或向银行借款。()

A. 正确
B. 错误

人民警察的素质，是指人民警察应具有的政治觉悟、理想信念、道德品质和革命人生观的综合体现。()

A. 正确
B. 错误