Windows 97是( )位的操作系统。
A.16位
B.32位
C.64位
D.128位
参考答案:B
解析:[分析] Windows 97是32位的操作系统。
At first he hated the new job but decided to give himself a few months to see ___ it got any better
A.when
B.how
C.why
D.if
若电路中L=4H,C=25pF时恰好有XL=XC,则此时频率f为下列哪项数值().
A.15.92kHz
B.16kHz
C.24kHz
D.36kHz