思维是人脑对客观事物进行()的反映
A.想象和创造
B.思辩和概括
C.概括和间接
D.概括和直接
参考答案:C
"Whose shoes are these?" "I think they're _______." [ ]
A. Kates
B. Kate's
C. Kates'
D. of Kate
下列哪种网不是按距离划分的 ( )
A.广域网
B.局域网
C.城域网
D.公用网