煤气对炉料浮力的增长与煤气速度的平方成()。
参考答案:正比
一Would you like to watch the movie "Hero" this evening?
一Yes, I'd like to. But if you don't go, _________.[ ]
A. so do I
B. so I will
C. neither do I
D. neither will I
支气管异物常发生于()
A.左上叶
B.左下叶
C.左舌叶
D.右上叶
E.右下叶