欧元区内各国货币向欧元转换的过渡期为（）。 A.1999年1月1日-2_爱下问搜题

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问题单项选择题

欧元区内各国货币向欧元转换的过渡期为（）。

A.1999年1月1日-2000年12月31日

B.1999年1月1日-2001年12月31日

C.1999年1月1日-2002年12月31日

D.1999年1月1日-2003年12月31日

答案

参考答案：B

解析：本题考查欧元区内各国货币向欧元转换的过渡期。1999年1月1日至2001年12月31日，是欧元区内各国货币向欧元转换的过渡期。2002年1月1日至2002年6月30日，欧元纸币和硬币一同作为法定货币参与流通。从2002年7月1日起，欧元区各国货币全部退出流通领域，市场只存在欧元，欧洲统一货币正式形成。

完形填空

Directions: For each blank in the following passage there are four words or phrases marked A,B,C and D. Fill in each blank with a word or phrase that best fits the context.
Being alone in outer space can be   36 . That is one reason why astronauts on solo(单独的) space flights were given plenty of work to keep them   37 . They were also in constant communication with people on the earth.   38 , being with people from whom you cannot get away might be even harder than being alone. This is what happens on long submarine(潜水艇) voyages. It will also happen on 39 space flights in the future. Will there be special problems of adjustment under such conditions?
Scientists have studied the reactions of men to one another during long submarine voyages. They have also found that the longer the voyage lasts, the more serious the problem of 40 is. When men are 41 together for a long period, they begin to feel   42  . Everyone has little habits of speaking and behaving that are ordinarily acceptable. In the limited space over a long period of time, however, these little habits may become very   43 .
Apparently, although no one wants to be 44 all the time, everyone needs some degree of privacy. When people are enclosed together, they are in what is called stress situation. That means that they are under an unusual amount of 45 or stress.
People who are well-adjusted are able to   46 stress situations better than others. That is one reason why so much care is taken in   47 our astronauts. These men undergo a long period of testing and training. One of the things tested is their behavior under stress, and thus they can do better than ordinary people.

B．frightening

B．entertainment

C．comfortable

D．investigate

单项选择题 A1/A2型题

诊断低渗性缺水的依据中，下列不正确的是（）。

A.消化液持续丢失，应用利尿剂未注意补钠盐

B.恶心、呕吐、头晕、视觉模糊、软弱无力、直立性晕倒

C.尿比重常在1.010以下，尿Na⁺和Cl^-明显减少

D.血清钠高于150mmol／L

E.红细胞计数、血红蛋白和血细胞比容及尿素氮值均增高