“2+2=4,所以月亮是奶酪做成的。”不是一个好论证。因为()。
A.前提为假
B.循环论证
C.前提与结论不相关
D.归纳强度弱
参考答案:C
检波器组合能压制那类干扰波?为什么?
As nobody here knows what is wrong with the machine, we must send for an engineer to______the
problem. [ ]
A. handle
B. raise
C. face
D. present