去死因寿命表方法求得消除某种死因后的平均预期寿命的增量，综合

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问题单项选择题

去死因寿命表方法求得消除某种死因后的平均预期寿命的增量，综合说明对人类寿命的影响（）。

A.某种环境因素

B.某种死因

C.卫生状况

D.社会经济因素

E.遗传因素

答案

参考答案：B

补全对话，情景问答

补全对话。

A: Would you mind l watching TV this evening? You have to help me.

B: OK, aunt. I'll 2 the TV 3 . What can I do for you?

A: Could you 4 your little cousin? I have to get some milk for him.

B: Sure. 5 my listening to music with my cousin?

A: No, 6 . I'll be back 7 .

1. __________ 2. __________ 3. __________ 4. __________

5. __________ 6. __________ 7. __________

判断题

坤，至柔而动也刚，至静而得方。