水流流向与艏艉线间的夹角称为（）。
A．水动力角
B．流压差角
C．流舷角
D．风动力、风压差和风舷角的合成角
参考答案：C
–Have you handed in your schoolwork yet?
--Yes, I have. I guess it ________ now.
A．has graded
B．is graded
C．is being graded
D．is grading
No other item in a newspaper provides such entertaining reading or offers such deep insight into human nature.
