当两个以上的审核机构合作同时对公司进行审核，称为（）
A、结合审核
B、联合审核
参考答案：B
My classmates asked me ______ possible to improve their English in half a year.[ ]
A. that it would be
B. whether it would be
C. if that would be
D. whether would it be
稳定试井适用于（）的气井
A.中高产
B.渗透性好
C.安装了输气管线
D.以上条件都具备
