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问题 单项选择题

预防大量快速输血引起的出血反应，可采用

A．碱化尿液
B．换血治疗
C．每输库存血3～5U，应补充鲜血1U
D．加热库存血
E．地塞米松5mg静脉注射治疗

答案

参考答案：C

填空题

短文填空

     Air is very important to everything that lives. But the air we breathe is getting (1)d______. People all

over the world are looking for ways to make it (2)c______ again.

     Have you ever watched the (3)s______ from chimneys (烟囱) rising high in the air? Have you (4)

s______ the smoke from cars and trucks on roads or the smoke from planes? The smoke is not (5)

g______ to breathe. If we want to keep fit and strong, we need to (6)b______ clean air.

     With more and more (7)f______ everywhere and more and more cars, trucks and planes, it is getting more and more (8)d______ to do with the air pollution.

     Scientists have already found (9)w______ to stop or slow down some of the things that make the air

dirty. They will not stop working (10)u______ we have clean air again.
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单项选择题

（）是货币市场上最敏感的“晴雨表”。

A.官方利率

B.市场利率

C.拆借利率
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