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问题 单项选择题

为了预防蛛网膜下腔麻醉后头痛，应采取的措施是（）。

A.保持环境安静

B.减少术中输液量

C.垫枕平卧4／小时

D.去枕平卧6小时

E.做好麻醉前心理准备

答案

参考答案：D

选择题

自20世纪70年代以来，我国人口自然增长率明显下降，原因是（　　）

A．自然灾害频繁，死亡率明显上升

B．战争频繁，死亡率明显上升

C．政策宽松，出生率上升

D．实行计划生育，出生率明显下降
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单项选择题

In every school there is a "top" crowd that sets the pace, while the others follow their lead. Let’s say the top crowd decides that it is smart to wear bright red sweaters. Pretty soon everybody is wearing a bright red sweater.
There is nothing wrong with that, except the fact that on some people bright red sweater is extremely unbecoming. The situation can even become dangerous, if the top crowd decides that it is smart to drink or to drive cars at seventy miles an hour. Then the people who follow the lead are endangering their lives. They are like the sheep being led to the butcher.
Now, chances are that you have come across situations like these more than once in your life; chances are that one time or another you probably did something you knew to be wrong. You may have excused yourself by saying, "Gee, the crowd does it. " Well, let the crowd do it, but don’t do it yourself. Learn to say "No".
Develop your own standards and your own judgment. If you know the crowd is planning something you disagree to, have the courage to bow out mannerly. You’ll have the satisfaction of standing on your own two feet.

Which is the best title for this passage

A. Follow the Lead

B. Top Crowd
C. Being Yourself


D. Bright Red
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