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问题 选择题

1919年美国总统威尔逊带着“十四点原则”，参加了巴黎和会。西方一评论家说，“威尔逊的原则征服了欧洲……”威尔逊的原则能征服欧洲的最主要原因是[ ]

A．美国的综合实力已经超过欧洲各国    

B．人们厌战，渴望和平

C．美国操纵的“国联”在欧洲影响深远   

D．“十四点原则”较好地维护了欧洲的利益

答案

答案：B

多项选择题

费用效果分析是经济分析的重要方法，以下属于其应用条件的是( )。

A．待分析的方案数目不得少于两个，并且是互斥方案

B．待分析的方案有着共同的目标和目的

C．根据效果费用的结果来判断方案是否可行，用于方案之间的比较

D．在计算效果费用比时必须确保各互斥方案的寿命期相同，如果寿命期不同，则应采用评价的技术处理方法使之具有可比基础

E．各方案的费用采用货币单位计量，效果采用非货币的同一单位计量
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填空题

World Water Shortage


A new study warns that about thirty percent of the world’s people may not have enough water by the year 2025.
A private American organization called (1) Action International did the new study. It says (2) than three-hundred-thirty-five-million people (3) enough water now. The people live in twenty-eight (4) . Most of the countries are in Africa or the (5) East.
P-A-I researcher Robert Engelman says (6) the year 2025, about three-thousand-million people (7) lack water. At least 18 more countries are (8) to have severe water problems. The demand (9) water keeps increasing. Yet the amount of water on Earth (10) the same.
Mr. Engelman says the population in countries that lack water is (11) faster than in other parts of the world. He says (12) growth in these countries will continue to (13) .
The report says lack of water in the future may (14) in several problems. It may increase health (15) . Lack of water often means drinking (16) not safe. Mr. Engelman says there are problems (17) over the world because of diseases, such as cholera, (18) are carried in water. Lack of water may also result (19) more international conflict. Countries may have to (20) for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands, Cambodia, Syria, Sudan, and Iraq. And the report says lack of water would affect the ability of developing to improve their economies. This is because new industries often need a large amount of water when they are beginning.
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