Those people who questioned the soldiers for a series of controversial reports, are
A. tell
B. say
C. reveal
D. exhibit
查看答案
I have always liked cafés and ________ in them even now. A caféis an interactive (交互式的) place with a nice atmosphere where people meet.
A. hang up
B. hang over
C. hang on
D. hang out
以下不属于PLC与计算机正确连接方式的是()。
A. 电话线通信连接
B. RS422通信连接
C. RS485通信连接
D. RS232通信连接
Average students who work hard usually do better than clever students who are _________.
A. steady
B. tedious
C. idle
D. keen
变压器储油拒的作用是保证油箱内总是充满(),并减少油面与空气的接触面
A. 水
B. 油
C. 空气