问题
单项选择题
为尽量发现病人，在制订筛选方法标准过程中，常采用
A．降低假阳性率
B．提高方法的灵敏度
C．使假阴性率与假阳性率接近
D．提高方法的特异度
E．提高假阴性率
答案
参考答案：B
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为尽量发现病人，在制订筛选方法标准过程中，常采用
A．降低假阳性率
B．提高方法的灵敏度
C．使假阴性率与假阳性率接近
D．提高方法的特异度
E．提高假阴性率
参考答案：B
| 阅读短文，根据短文内容从方框中选择恰当的句子把短文补充完整，将其代号填在答题卡相应的题号后。注意选项中有一个多余选项。 | |
mother takes good care of you as much as possible. 1______. When you are ill, she stops her work right now to look after you day and night but forgets about herself. 2______, she feels very happy. When you are old enough to go to school, mother still looks after you all the time. On cold winter days, she always tells you to put on more clothes. 3______. When you hurry to leave home for school with little breakfast, she always feels worried about you at home. She usually knows about your study and spends much money on your school things. When you do well at school, you will see the bright sweet smile on her face. 4______, not to receive. What true love it is in the world! We will remember mother love forever! |