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【判断题】
乳腺由浅至深的不同结构层次分别是皮肤、皮下组织、腺体层、腺体后组织、胸大肌 ( )A.
正确
B.
错误
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【单选题】—Are there any boats in the river? —No, _____. [ ]
A.
there isn't
B.
there are
C.
there is
D.
there aren't
【单选题】— Are there any pictures on the wall? — No, ______. [ ]
A.
there is
B.
there are
C.
there isn't
D.
there aren't
【单选题】— people in the room? —Yes, there are. [ ]
A.
Is there a
B.
Are there any
C.
Is there any
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