自动变速驱动桥,根据发动机的功率即()以及汽车的()和其它一些工作条件来自动选择档位。
参考答案:节气门开度;车速
—Do you like cooking, Mary?
—______. Luckily I’ve never had to worry much about it.
A.Not bad
B.Not really
C.Probably not
D.Suppose not
You'd better ________ football in the street.[ ]
A. not to play
B. not play
C. don't play
D. play