可以通过文件后缀确定文件属性，下面后缀是（）的文件是文本文件。
A..txt
B..jpg
C..wav
D..mid
参考答案：A
(2013·江苏高考)Team leaders must ensure that all members ________ their natural desire to avoid the embarrassment associated with making mistakes.
A．get over
B．look over
C．take over
D．come over
机械传动式弯管机是如何传动的？
