理想正常牙合是（） A.对于生理功能无大妨碍者，都可列入理想

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问题单项选择题

理想正常牙合是（）

A.对于生理功能无大妨碍者，都可列入理想正常牙合

B.个别正常牙合

C.反牙合

D.深覆牙合

E.保存全副牙齿，牙齿在上下牙弓上排列得很整齐，上下牙的尖窝关系完全正确，上下牙弓的牙合关系非常理想

答案

参考答案：E

选择题

Don’t worry, the guide will tell you how to avoid ______ ill while travelling.

A．to get

B．being gotten

C．getting

D．to be getting

选择题

Jeremy Lin has scored 166 points in seven games and his fame is sweeping the US, which means that his career has _______.

A．paid off

B．taken off

C．put off

D．call off