不属于直接直接营销形式的是()。
A.人员推销
B.目录销售
C.网上购物
D.邮购
参考答案:A
-When did his parents pass away?
-It was on April 14th________the earthquake hit Yushu County.[ ]
A.what
B.that
C.which
D.when
E4303焊条药皮类型是()。