问题
多项选择题
公共政策的评价方法有很多，其中成本效益分析方法的运用应遵循的基本原则有（）。
A.当两种政策方案的效益相等时，政策成本越小的政策方案越优
B.当两种政策方案的成本相同时，政策效益越小的政策方案越优
C.政策效益与政策成本的比率越小越好
D.政策效益与政策成本的比率越大越好
答案
参考答案：A, D
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公共政策的评价方法有很多，其中成本效益分析方法的运用应遵循的基本原则有（）。
A.当两种政策方案的效益相等时，政策成本越小的政策方案越优
B.当两种政策方案的成本相同时，政策效益越小的政策方案越优
C.政策效益与政策成本的比率越小越好
D.政策效益与政策成本的比率越大越好
参考答案：A, D
| 完形填空。 It's very interesting to visit another country , but there are some problems when we don't know the _ 1 _ very well. It may be 2 _ to talk with the people there . We may not know how to use the telephone in the country we are visiting . We may not know how to buy the 3 we need. In a 4 country we might not know where to eat or what to order in a 5 . It is not easy to decide(决定) how 6 to tip (付小费) waiters or taxi drivers. When we need help, we might not know how to ask for help. It is not pleasant to have an experience(经历) 7 that. 8 a short time, however (不过),we learn what to do and what to 9 .  We learn to enjoy our lives in another country , and then we maybe 10 to leave . | ||||
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