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问题 单项选择题

对病因不确定的疾病，现况调查的主要任务是（）。

A.因果推断

B.寻找病因线索，提出病因假设

C.验证病因

D.确定病因

E.以上均不正确

答案

参考答案：B

解析：进行现况调查时疾病或健康状况与发现某些因素或特征是在一次调查中得到的，即因与果是并存的，因而在病因分析时只能提出初步病因线索，而不能得出有关病因因果关系的结论。

阅读理解

阅读理解。

     There is a shop near my home.The people in the shop are friendly.On Sundays, we often go and buy things

there.It opens at six in the morning. It closes late in the evening.You can buy a lot of things in the shop.You can buy food, clothes, school things and many other things.But there are no English books there.

     Now we are in the shop. My mother wants to buy a shirt for my father and a blouse for me.Then we'd like

to have a drink of orange.

请根据短文内容判断下列各句正( T ) 误( F ).

( )1.We often go to the shop and buy things on Saturdays.

( )2.The shop opens early in the morning and closes late in the evening.

( )3. My mother wants to buy clothes for my father.

( )4.There are no Chinese books in the shop.

( )5. The people in the shop would like to have a drink of orange.

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单项选择题 A1型题

既能清热燥湿，又能泻肝胆火的药物是（）

A.决明子

B.龙胆草

C.黄柏

D.黄连

E.菊花
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