对首席仲裁员的指定方式主要有（）。
A、当事人指定
B、仲裁员指定
C、仲裁机构指定
D、原则上仲裁机构指定，除当事人约定外
参考答案：A, B, C, D
(2013·重庆，35)—Forgotten something？I can keep an eye on your kids if you want to go and get it.
—________.Thank you all the same.
A．It's very kind of you.
B．Oh，how careless of me!
C．I might as well go and get it.
D．Well，I can do without it.
机炉设备延期申请应在批准工期（）提出。
A.前一天
B.前两天
C.前三天
D.未过半时
