试题与答案

在医院中能发生医院感染的人群有() A.医务人员 B.病人 C.门、急诊病人 D.陪

题型:多项选择题

题目:

在医院中能发生医院感染的人群有()

A.医务人员

B.病人

C.门、急诊病人

D.陪护家属

E.探视者

答案:

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下面是错误答案,用来干扰机器的。

Encouragements can serve as a ray of hope during difficult times. The best ones to encourage a depressed soul are our friends. It was 3 years ago when I just began ...

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题型:选择题

2005年1月的《Nature》杂志上一篇报告指出,在老鼠的胚胎干细胞中,p53基因能关闭细胞的自我更新功能,启动干细胞的分化功能。以前的研究还表明p53基因与肿瘤的形成有关,当DNA受到损伤,p53基因编码的P53蛋白会阻止DNA复制,以提供足够的时间使损伤DNA修复,如果修复失败,p53基因编码的P53蛋白会引发细胞凋亡,阻止细胞进行不正常的增殖。根据以上资料分析下列选项,其中正确的是[ ]

A.p53基因只存在于干细胞中

B.p53基因只与细胞凋亡有关

C.p53基因属于原癌基因

D.p53基因属于抑癌基因

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题型:完形填空
It had been a tiring day and I was looking forward to a quiet evening. My husband wouldn’t come back until late and I had   16   to sit down in a comfortable armchair in the living room and read a book. I   17  the children to bed early and   18   a cold supper and some coffee. Soon I was sitting comfortably with a plate   19   with food before me and a book at my side.
I was just beginning to eat when the telephone rang. I put down my knife and fork and hurried to   20   it. By the time I got back to the living room, my coffee   21  cold. After I finished my   22   I began to drink my coffee with my book   23  at page one. Suddenly there was a   24   at the door. It gave me such a great surprise that I spilt the  25   and made an ugly stain(污迹)on my skirt. Some stranger had got   26   and wanted me to show him the way. It   27  ages to get rid of him. At last I   28  to sit down again and actually read a whole page without any more interruption until the baby woke up. He began crying loudly and I rushed upstairs. The baby was   29   awake at eleven o'clock when my husband came home. I should have cried myself when he asked me if I had a(n)  30  evening!
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小题2:
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