如果投资者能以合理的价格迅速成交，则市场流动性好。即成交速度快，表示流动性好。( )
参考答案：错
真空中的光速是c=______m/s，是宇宙间最快的速度．大约是空气中声速的______倍．
I don't know the way. Please ask _ [ ]
A. anyone else
B. else anyone
C. someone else
D. else someone
