[A] leaded
[B] had leaded
[C] had led
[D] led
查看答案
From the passage we can guess that peso is ________.
[A] the name of a person
[B] a kind of drink
[C] the name of a company
[D] none of the above
A.Job B.movement C.exercise D.research
A. Job
B. movement
C. exercise
D. research
[A] says
[B] talks
[C] covers
[D] refers
运输需求的价格弹性Ep,反映了运输需求量Q对运输价格Z变动反映的程度,它们之间的关系可表示为()。