— ____ do you like summer?
— Because I can swim in the lake.[ ]
A. What
B. Why
C. Which
答案:B
a除以b,等于a乘b的倒数.______.(判断对错)
可以作为衡量网络性能优劣的重要指标之一是()
A、时钟频率
B、采样频率
C、传输速率
D、显示分辨率