导线的允许载流量应（）导线的最大工作电流。
A.大于
B.小于
C.等于
D.视情况而定
参考答案：A
—I'm late. You know the traffic was so heavy.
—Well, do you think I will believe the same old excuse? ________![ ]
A. Never mind
B. No way
C. No problem
D. Forget it
通过对别人外部特征的知觉，进而取得对他们身份、地位的认识，这属于（）
A.人际知觉
B.角色知觉
C.对个人的知觉
D.经验知觉
