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问题 选择题

Do you often work _____ on weekdays? [ ]

A. lately

B. late

C. later

D. lateness

答案

答案：B

单项选择题

可摘局部义齿初戴时如发现义齿就位困难，应（）。

A.尽量将义齿戴入

B.缓冲基托组织面

C.缓冲卡环体

D.确定阻碍部位后逐步调改、缓冲
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单项选择题

Water makes up some 70 percentage points of the body, and drinking enough water-either tap water or expensive mineral water-will ensure that the body is properly lubricated and flushed.()

A. per-cent

B. per capita

C. percent

D. percentage
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