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【单选题】
关于楔状缺损,下列哪一项是错误的?
A.
发生楔状缺损的主要原因是横刷牙
B.
好发于前磨牙
C.
缺损边缘不整齐
D.
年龄愈大,缺损愈严重
E.
需要充填
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A.
分模面尽量呈曲面
B.
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C.
分模面尽量简单
D.
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A.
asserted
B.
embodied
C.
portrayed
D.
discerned
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A.
约翰·巴丁
B.
华特•布拉顿
C.
杰克.基尔比
D.
威廉•肖克利
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A.
OCC控制中心
B.
站长室
C.
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D.
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A.
站长室
B.
车站控制室
C.
票务室
D.
会议室
【单选题】His mother won,t be there, his father might.
A.
and
B.
but
C.
or
D.
so
【单选题】In his biography t he author _________ his father as a vicious drunkar d.
A.
asserted
B.
portrayed
C.
embodied
D.
discerned
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