下列座位排列方式中适合于师生交往比较多的是（）.
A.矩形
B.环形
C.马蹄形
D.秧田形
参考答案：C
检验外购电子设备是否合格，一般要经过______后进行判断。
A．加电后一定时间的运行B．联调后无负荷运行C．联调后模拟负荷运行D．直接投入应用环境
26．—Is there anything I can do for you?
—There seems to have been a technical problem—______，that's what they told me．
A．somewhat
B．somehow
C．someway
D．Anyway
