某市开展分析高血压与冠心病的关系研究，对市内所有医院的冠心病_爱下问搜题

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问题单项选择题

某市开展分析高血压与冠心病的关系研究，对市内所有医院的冠心病患者的诊断进行了复查，最后被确定为冠心痛患者共500例，随机选取其中的200名调查既往高血压史，并从附近地区选400名对照同时进行调查，使对照在年龄上与病例相似。

根据上述资料

A．可以计算该市冠心病的发病率

B．可以计算对照人群冠心病的发病率

C．可以计算该市和对照人群冠心病的发病率

D．不能计算该市冠心病的发病率

E．不能计算该市和对照人群冠心病的发病率

答案

参考答案：A

解析：[解题思路] 本项研究为病例对照研究，在选择对照组时采用了匹配方式，因此属于匹配的病例对照研究。由于病例是该市所有医院冠心病患者的一个随机样本，因此，可以计算该市冠心病的发病率。[命题规律] 考察“病例对照研究”。重点掌握。

完形填空

There is an old story telling about a woman whose only son died in an accident. In her    26  , she went to the wise man that is always    27   for his wisdom in her town and said, “What advice or what    28   ways do you have to bring my son back to life? I will    29   you with all I have if you can.”
Instead of sending her away or    30   with her, he said to her, “Fetch me a mustard (芥末) seed from a home that has never    31   sorrow. We will use it to drive the sorrow out of your life.” The woman went off at once in    32   of that magical mustard seed.
She came first to a splendid apartment,    33   at the door, and said in a (n)    34   voice, “I am looking for a home that has never known sorrow. Is this such a (n)    35   that I want? It is very important to me.”
   36  , she didn’t get what she wanted, even without a single word of    37  . They told her that she had come to the wrong place. And they began to    38   all the tragic things that recently had happened to them.
The woman said to herself, “Who is better able to help these poor,   39   people than I, though I also have had misfortune of my own?” She    40   to comfort them till they    41  . Then she went on searching for a home that had never known sorrow. But    42   she turned up, in small cottages or in other places, she found one    43   after another of sadness and misfortune. She became so    44   in helping other people out of their sorrow that finally she forgot about her quest for the special mustard seed, in fact, never    45   that it had driven the sorrow out of her life.

B．Immediately

D．Unfortunately

D．encouragement

A．unfortunate

C．unimportant

A．settle down

A．recognizing

C．remembering

问答题

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