女,45岁,缺失,前牙区Ⅲ°深覆,余留牙无异常。
义齿的基托最好选用()
A.铸造基托
B.塑料基托
C.金属网状基托
D.锤造基托
E.树脂基托
参考答案:A
(2013·湖南高考)—Have you heard about the recent election?
—Sure, it ________ the only thing on the news for the last three days.
A.would be
B.is
C.has been
D.will be
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