早熟型消费
参考答案：
消费早熟或者消费超前。消费的增长速度在较长一段时期内吵过国民收入和劳动生产率的增长速度。多发生在开放经济中。
I want to know_________. [ ]
A. what is his name
B. what's his name
C. that his name is
D. what his name is
吊杆作业时，在轴向力相同的条件下，双杆作业时的工作负荷约为单杆作业工作负荷的（）
A.100%
B.40～60%
C.200%
D.150%
