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【单选题】
牙骨质最薄的部位在A.
根尖1/3出
B.
根分叉处
C.
牙颈部
D.
根中1/3
E.
以上都不对
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【简答题】阅读理解。 The earth moves round the sun, and the moon moves round the earth. When our part of the earth turns to the moon, it is night. The sun is much bigger than the moon. But sometimes the moon looks b...
【单选题】_______ the moon moves round the earth is well known to all of us.
A.
That
B.
What
C.
When
D.
As
【单选题】_____ the moon moves round the earth is well known to all of us .
A.
What
B.
That
C.
Which
D.
As
【简答题】阅读理解。 The earth moves round the sun, and the moon moves round the earth. When our part (部分) of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night. T...
【简答题】______ moon moves round _____ earth
【简答题】中国的传统语言学过去称为小学,包括三门学科:文字学、( ____________) 、( ____________) 。
【单选题】Miss Yang told us that the moon ____ round the earth. [ ]
A.
moves
B.
moved
C.
is moving
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