风高指数P与()有关?
A.大气稳定度
B.地面情况
C.风速
D.混合层高度
参考答案:A, B
—Haven’t you seen the speed limit sign? Please drive _______.
—Sorry, but I have to.
A.more slowly a bit
B.slowly a bit more
C.a bit more slowly
D.slowly more a bit
Ⅱ度肾下垂是指()
A.肾盂下降到第2腰椎
B.肾盂下降到第3腰椎
C.肾盂下降到第4腰椎
D.肾盂下降到第5腰椎
E.肾盂下降到第5腰椎以下