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【单选题】
下列情况中,应考虑拔除的第三磨牙是
A.
有足够的萌出空间,X线检查位置正常者
B.
正位未萌出,有对颌牙,但第三磨牙表面仍覆盖有牙龈者
C.
邻牙不能保留,第三磨牙前倾角度约30°者
D.
完全骨埋伏,与邻牙牙不相通,X线检查冠见低密度影者
E.
第三磨牙龋坏,牙冠破坏不严重,有对颌牙
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参考答案:
举一反三
【单选题】发动机冷却系统中锈蚀物和水垢积存的后果是( )。
A.
、发动机温升慢
B.
发动机过热
C.
发动机怠速不稳
【多选题】衡量精度高低的标准有( )
A.
中误差
B.
相对误差
C.
容许误差
D.
绝对误差
【判断题】吃西餐过程中,如果餐具掉在地上,一定要自己捡起来。A. 对 B. 错
A.
正确
B.
错误
【单选题】The English prisoner Hawkins and the Irish guard Noble have a tendency to argue about any topic. This reveals that they _____.
A.
are often bitter toward each other
B.
each inwardly regards the other as a friend
C.
are both bored and want to find some fun
D.
disagree and dislike one another
【判断题】用背散射电子进行形貌分析时,其分辨率远比二次电子像低。
A.
正确
B.
错误
【单选题】Who is asked to call back?
A.
Dorothy Borrow
B.
Francis Gregory
C.
Isabel Hawkins
【简答题】What will Hawkins do when he sees something interesting on a road trip?
【简答题】According to Hawkins, computers will fade to the background because cell phones are _____________devices.
【单选题】According to the announcement, what is true about the Hawkins sisters?
A.
They have written award-winning poems.
B.
They are well known in Stayton Corners.
C.
They will sing songs at the celebration.
D.
They do not currently live in Stayton Corners.
【单选题】Do you think Stephen Hawkins is the greatest man ?
A.
alive
B.
lively
C.
live
D.
living
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