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问题 多项选择题

对维生素K缺乏症出血严重的患者，想要快速止血，比较恰当的处理方法是（）

A.用维生素K1快速止血

B.输入新鲜血浆

C.以上均可快速止血

D.口服维生素K14

E.用冷沉淀物静脉滴注

答案

参考答案：B, E

判断题

在混合液中加入某一组分，以扩大原料液中不同组分沸点的差异，从而达到有效分离的目的，称为特殊蒸馏。
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单项选择题

There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so (21) The mother (22) that she would help her sons to do (23) in school by herself. She told them to go to the Detroit Public Library to (24) a book a week and do a book report for her.
One day, in Ben’s class, the teacher held up a rock and asked (25) anyone knew it. Ben put up his hand and the teacher let him (26) . "Why did Ben raise his hand" all of his (27) whispered (耳语) and wondered. "He (28) said anything. What could he possibly want to say" To their surprise, Ben not only (29) the rock, but also said a lot about it. He (30) other rocks in its group and even knew (31) the teacher had found it. The teacher and the other students were (32) Ben had learned this from doing one of his book (33) .
Later Ben became the (34) student of his class. When he finished high school, he went to Yale University and (34) became one of the best doctors in the United States.

Ⅱ. 完形填空

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阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．well

B．bad

C．right

D．good
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