【多选题】混凝土坝施工,若坝身在汛前不能浇筑到拦洪高程,为不停工,可采取的措施有 ()。
【多选题】混凝土坝施工,若坝身在汛前不能浇筑到拦洪高程,应采取的措施有()才能不停工。
【单选题】In the third paragraph, the word 'background' means ' ______'.
【单选题】What is the idea that Professor Martin sticks to?
A.
Very bright children have rich experience in changing schools
B.
Changing schools regularly is not good for most children
C.
Changing schools regularly is good for most children
D.
Not changing schools regularly is not good for most children
【多选题】混凝土坝施工,若坝身在汛前不能浇筑到拦洪高程,可采取的措施有()才能不停工
【多选题】混凝土坝施工,若坝身在汛前不能浇筑到拦洪高程,可采取的措施有( )才能不停工。