同一职系中工作性质、繁简难易程度、责任轻重程度以及所需资格高低程度相同或充分相似的岗位是()。
参考答案:职级
影响药效的机体因素是什么?
I offered the ______ suggestion of spending the holiday in the mountains or by the sea.
A.reasonable
B.practical
C.alternative
D.sensible