水平气压梯度的方向与等压线之间的交角为()
A.00
B.150左右
C.280左右
D.900
参考答案:D
—Could you tell me how to get to Victoria Street?
—Victoria Street? _________ is where the Grand Theatre is.
A.Such
B.There
C.That
D.This
制作全口义齿印模,托盘的宽度应比牙槽嵴宽( )
A.无间隙B.1~2mmC.2~3mmD.3~4mmE.4mm以上