所谓“快”就是要（）。
A.动作迅速
B.执行力
C.及早发现
D.及早介入
参考答案：C, D
Despite such a difference in _____ towards what one eats, there is no doubt that people in the west regard the
Chinese food as something special. [ ]
A. point
B. idea
C. attitude
D. sight
水结冰的速度与冰解冻的速度一样的。（）
