问题
单项选择题
正常脑脊液静置24小时后（）
A.出现薄膜
B.出现凝块
C.出现絮状凝块
D.呈黄色胶样
E.无沉淀
答案
参考答案：E
解析：正常脑脊液放置12～24小时后不会形成薄膜、凝块或沉淀。
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正常脑脊液静置24小时后（）
A.出现薄膜
B.出现凝块
C.出现絮状凝块
D.呈黄色胶样
E.无沉淀
参考答案：E
解析：正常脑脊液放置12～24小时后不会形成薄膜、凝块或沉淀。
One night recently, I was driving down a two-lane highway at about 60 miles an hour. A car approached from the 36 direction at about the same speed. As we 37 each other, I caught the other driver’s eye for only a second. I wondered whether he might be 38 , as I was, how dependent we were on each other at that moment. I was relying on him not to fall 39 , not to be put off by a phone conversation, not to cross over into my lane and bring my life to a sudden 40 . Though we had 41 spoken a word to each other, he relied on me in just the same way. Multiplied a million times over, I believe that is the way the world 42 . At some 43 , we all depend upon one another. Sometimes that dependence requires us 44 not to do something like crossing over the double yellow line. And sometimes it requires us to act 45 , with friends or even with 46 . As technology 47 our world, the need increases for cooperative action among nations. In 2003, doctors in five nations were quickly organized to identify the SARS virus, which 48 thousands of lives. The threat of international terrorism has shown itself to be a 49 problem, one requiring coordinated action by police and intelligence forces across the world’ We must recognize that our fates are not ours 50 to control. In my own life, I’ve put great stock in 51 responsibility. 52 , as the years have passed, I’ve also come to believe that there are moments when one must rely upon the good faith and judgment of 53 . So, while each of us faces the case of driving alone down a 54 road, what we must learn is that the approaching light may not be a threat, but a shared moment of 55 .
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