管道在多水、流动、石灰岩地层中,埋深一般不超过( )m。
A.9 B.2 C.5 D.6
参考答案:C
根据括号内的要求完成句子,每空一词(含缩写)
小题1:Is Jenny your daughter?(作否定回答)
No, ___________ ______________.
小题2:I have three notebooks.(改为一般问句)
you three notebooks?
小题3:Those are oranges.(改为单数句)
__________ is __________ orange .
小题4:These are his pencil sharpeners.(改为否定句)
These _________ ___________ his pencil sharpener.
小题5:My pencil case is in my backpack.(对划线部分提问)
your pencil case?
小题6:His balls are black and white. .(对划线部分提问)
___________ ___________ are his balls?
初稳性系指倾角小于10~15°,同时满足船舶在倾斜时()。①干舷甲板边缘不入水②舭部不出水③小于进水角④小于极限静倾角
A.①②
B.①④
C.①③
D.②④