对邀请招标来讲，投标单位的资格审查在( )时进行。
A．资格预审
B．递交投标文件
C．签订合同
D．评标
参考答案：D
— Excuse me, could you tell me where I could make a call?
— Sorry, I'm a stranger here.
—__________.[ ]
A. Thanks a lot
B. That's a pity
C. Thanks anyway
D. I'm sorry to hear it
绕线转子异步电动机的起动方法，常采用Y-Δ减压起动。
