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【单选题】
牙尖交错 与牙尖交错位的关系中，说法错误的是（）A.
牙尖交错位尖交错 而定位
B.
牙尖交错 也可依牙尖交错位而定位
C.
牙体功能性磨耗时，牙尖交错位发生生理性的变化
D.
牙体重度磨耗时，牙尖交错位可能有异常变化
E.
牙尖交错位位于面部中央，牙尖交错位可称为正中 位
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【简答题】阅读下面这首唐诗,然后回答问题 赠 别 杜牧 多情却似总无情,惟觉樽前笑不成。 蜡烛有心还惜别,替人垂泪到天明。 如何理解诗中蜡烛的形象及其作用?
【简答题】阅读下面这首唐诗,然后回答问题。 江 汉 杜甫 江汉思归客,乾坤一腐儒。片云天共远,永夜月同孤。 落日心犹壮,秋风病欲苏。古来存老马,不必取长途。
【单选题】— ________you read the story? —Yes. I_____________it at school.
A.
Have;read
B.
Did;read
C.
Have;haveread
D.
Did;haveread
【单选题】—I guess you might have missed your train to Wuhan yesterday. —Well, I almost .
A.
might
B.
had
C.
did
D.
have
【单选题】You must have seen a lot of interesting movies, ______?
A.
don't you
B.
did you
C.
must you
D.
haven't you
【单选题】— When did you buy this computer? It looks so new. — I it for only a couple of days. A．hadB．hav
A.
— When did you buy this computer? It looks so new. — I ____it for only a couple of days. A．had
B.
have bought
C.
bought
D.
have had
【单选题】—How long _______ you _______ the bicycle? —About two weeks. [ ]
A.
have, had
B.
have, bought
C.
did, buy
D.
have, have
【单选题】—Did Ann fail in English? —She ____. Don't you notice that she looks depressed?
A.
might
B.
must
C.
may have
D.
could have
【单选题】I spent two weeks in Paris last year. ______ there before?
A.
Did you go
B.
Have you gone
C.
Have you been
D.
Had you gone
【单选题】—Could you tell me last week ? —I went to visit my grandparents .
A.
where did you go
B.
where you have been
C.
where you went
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