选择题：If the operation __ carefully prepared, it would not have been successful.

题目内容：

If the operation __ carefully prepared, it would not have been successful.

A. was not

B. has not been

C. had not been

D. were not

参考答案：

Having decided to rent a flat, we __ contacting housing agencies in the city.

Having decided to rent a flat, we __ contacting housing agencies in the city.A. set aboutB. set downC

分类：习题答案题型：选择题

金融寡头在经济上实现其统治的主要形式是（）A．参与制B．租赁制C．合同制

分类：习题答案题型：选择题

商业资本参与利润平均化后，全社会的平均利润率是（）A．剩余价值与全部借贷资本的比率B．剩余价值与全部商业资本的比率C．剩余价值与全部产业资本的比率D．剩余价值与产业资本加商业资本的比率

分类：习题答案题型：选择题

分类：习题答案题型：选择题

分类：习题答案题型：选择题