关于疾病原因的概念下列哪项是正确的（）。A.引起疾病发生的致病_爱下问搜题

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问题单项选择题

关于疾病原因的概念下列哪项是正确的（）。

A.引起疾病发生的致病因素

B.引起疾病发生的体内因素

C.引起疾病发生的体外因素

D.引起疾病发生的体内外因素

E.引起疾病并决定疾病特异性的特定因素

答案

参考答案：E

补全对话，情景问答

从Ⅱ栏中选出I栏问句的答语。

I
( )1. How's the weather there?
( )2. How's it going?
( )3. Is your mother cooking now?
( )4. Is it sunny in Beijing today?
( )5. What are they doing now?

Ⅱ
A. Pretty good.
B. It's cloudy.
C. They are watching an NBA basketball match.
D. No, it isn't.
E. Yes, she is.

选择题

In his spare time, he often listens to music or watches TV to himself.

A．encourage

B．entertain

C．educate

D．direct