使用activator治疗时下颌垂直打开8mm可以产生（） A.300g以上力 B._爱下问搜题

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问题单项选择题

使用activator治疗时下颌垂直打开8mm可以产生（）

A.300g以上力

B.350g以上力

C.400g以上力

D.500g以上力

E.800g以上力

答案

参考答案：D

补全对话，情景问答

根据对话内容，从方框内选择合适的句子补全对话。(有两项多余)

A. Who has gone there?
B. When are you going there?
C. I haven't been there, either.
D. I've seen and learnt a lot there.
E. What have you done for the holiday?
F. Which pavilion do you want to visit most?
G. But I hear there're a large number of people every day.

M: Yang Liu, the summer holiday is over. __1__
W: I have visited the World Expo Garden in Shanghai.
M: That must be exciting. __2__ You must have waited for a long time to visit some wonderful pavilions,
didn't you?
W: Yes, I did. But I think it's worth (值得) visiting. __3__
M: You're right. I want to go to the World Expo Garden, too.
W: __4__
M: I'm planning to go during National Day holiday.
W: __5__
M: The China Pavilion, of course.
W: Have a pleasant trip.
M: Thanks.

选择题

1960年，八字方针的中心是

A．调整

B．巩固

C．充实

D．提高