淤泥质海岸的泥沙运移形态以()为主
A.推移
B.跃移
C.悬移
D.泥
参考答案：C
— Can you hand in your composition tomorrow?
— Sure. _____ it handed in on time, I'll stay up tonight. [ ]
A. To have got
B. Having got
C. Getting
D. To get
H2S传感器最小检测浓度（）PPM。
A、2
B、1
C、5
