Mary and Kitty are ___________ awake in their bedroom.[ ]
A. all
B. both
C. two
D. among
答案:B
如何进行水库塌岸的预测?其防治措施有哪些?
办理X5-D2调车变通进路的操纵方法是()。
A.顺序按压X5DA、D8A、D2A
B.顺序按压X5DA、D12A、D2A
C.顺序按压X5DA、D10A、D2A