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问题 单项选择题

假设地球有两颗卫星A、B在各自固定的轨道上绕地球运行，卫星A绕地球一周用小时，每经过144小时，卫星A比卫星B多绕地球35周，卫星B绕地球一周用（）。

A.

B.

C.

D.

答案

参考答案：C

完形填空

Directions: Complete the following passage by using ONE word that fits the context.

What is happiness?   小题1:  people have different ideas. Some people are rich; they think they are happy.  小题2:  people have many friends, so they feel   小题3: . Still others are happy because their lives are meaningful. Happiness attracts everyone. For children, happiness often suggests eating something good or   小题4:  with toys.   小题5:  a stamp collector, stamps bring more delight than meals. And for a scientist, a discovery or an invention rather than  小题6: else gives him greatest satisfaction. As everything exists only because of its opposite, happiness exists only when  小题7:  exists. Just as a person who does not know failure never knows success, a person, who has not experienced suffering or sadness never knows   小题8:  happiness means. Cheer up and be happy. Happiness is not far from you. It’s just around you. Try to grasp it and enjoy it.
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单项选择题

国务院于( )年9月发布了第184号令《中华人民共和国注册建筑师条例》，至此，中国注册建筑师制度正式建立起来。

A．1995

B．1996

C．1997

D．1998
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