试题与答案

输血是一种______的办法,健康的肌体本身就有极强的造血功能,可以让自身的细胞__

题型:单项选择题

题目:

输血是一种______的办法,健康的肌体本身就有极强的造血功能,可以让自身的细胞______,保持活力。填入横线部分最恰当的一项是()。

A.身不由己 更新换代

B.迫不得已 新陈代谢

C.随心所欲 推陈出新

D.得心应手 吐故纳新

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:填空题

根据短文内容填空,每空限填一词。

     Of all the things we eat and drink, water is the most important. Not many people understand this, but it

is quite true. The human body (人体) can go without food for a long time, but two or three days without

water usually make people dead.

     Many people don't understand how much water the human body needs to work well and many people

do not drink enough, especially (尤其) in hot weather. Most people drink when they are thirsty, but they

often need more water especially when they take exercises.

     A man's body is 65 to 75 percent (百分之…) water. If we do not have enough water, we feel tired

and may become ill.

     The most important drink is 1_______, People can 2_______ for a long time without food, but they will

3_______ if two or three days 4_______ water. In 5_______ weather, many people do not drink 6_______

water, because they don't know how much water they 7_______. People should know when they take

exercises, they need 8_______ water. The water in the man's body is 9_______ more than other matters

(物质) We'd better have enough water, 10_______ we may get ill.

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