在“其果何者而为之原欤”中,“原”之义为()
A.来源
B.推求
C.本原
D.根据
参考答案:C
Tom_______ like basketball.He________computer games. [ ]
A. don't like
B. doesn't; likes
C. don't ; likes
D. doesn't; like
高频保护启、停用应注意什么?为什么?