已知3x+1和2x+4互为相反数,则x=( )
﹣1
The new car ______ much more than I _______ it.
A.cost, paid
B.spent, paid
C.cost, paid for
D.spent, paid for
岗位的可测性包括具体的()。
A.岗位技术
B.岗位能力
C.岗位职责
D.岗位工作条件
E.收入水平