著名历史学家吕思勉先生曾把古代中国划分为“部落时代”“封建时代”和“郡县时代”。其中与“封建时代”对应的是[ ]
A.西周
B.秦朝
C.西汉
D.宋代
答案:A
物流管理就是商品储存和运输管理。( )
The process of growing up is complex for every person, ________ there are many influential factors in a person's growth as well as the development of his personality.
A.but
B.so
C.for
D.therefore