水库库岸的破坏形式有:____、____、____。
参考答案:塌岸、滑坡和岩崩
— Would you mind turning down the music?
— .
A.Yes, I would
B.No, of course
C.No, not at all
D.Yes, of course
孕妇需避免X线检查,是因为()
A.X线的光化学效应
B.X线的荧光作用
C.X线的生物效应
D.X线的感光作用
E.以上都不是