提高防汛抗旱预警能力,加强“三站”建设包括:()
A、气象站
B、水文站
C、水位站
D、雨量站
参考答案:B, C, D
目标的性质()
A.层次性
B.网络性
C.信息化
D.多样性
E.具体性
Speaker A: Excuse me, do you need a hand Speaker B: ().
A. Oh, yes, please. I haven’t used one like this before.
B. No, thank you. I don’t need another hand.
C. Sorry, do you know how to do this exercise
D. Of course. I need a hand.