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问题 不定项选择

建设项目环境保护措施的经济论证内容包括（）。

A.环保措施的投资费用

B.环保措施的运行费用

C.环保措施的处理效苹

D.环保措施的环境经济效益

答案

参考答案：A, B, C, D

填空题

有一轮船由东向西航行，在A处测得西偏北15°有一灯塔P，继续航行10海里后到B处，又测得灯塔P在西偏北30°，如果轮船航向不变，则灯塔与船之间的最近距离是 _________ 海里．
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单项选择题

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now listen to the passage.


What can we infer from the talk

A．Powerful earthquakes usually occur after minor ones.

B．Modern facilities add to the danger of an earthquake.

C．Passing trucks are as dangerous as minor earthquakes.

D．There is a powerful earthquake occurring every two years.
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