What does Kofi Annan say should be the focus of the Copenhagen conference？
A. How rich and poor legions can share responsibility in curbing global warming.
B. How human and economic losses from climate change can be reduced.
C. How emissions of heat-trapping gases can be reduced on a global scale.
D. How rich countries can better help poor regions reduce climate hazards.
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A．To show how they love winter sports.B．To attract the attention from the media.C．To p
A. To show how they love winter sports.
B. To attract the attention from the media.
C. To protest against the poor working conditions.
D. To protect themselves against the cold weather.
下列()代表八进制整数。
A. 0xa6
B. 144
C. 1840
D. #NAME？
用于制备静脉给药的中药注射剂，有效部位的含量应不低于总固体量的
M: You know, there is a tutoring service on campus. I was about to drop statistics before they helped me out.
Q: What does the man mean？
(17)
A. He has difficulty mailing sense of logic.
B. Statistics and logic are both challenging subjects.
C. The woman should seek help from the tutoring service.
D. Tutoring services are very popular with students.
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