原发性肝癌最早转移的途径是:()
A.肝内转移
B.血行转移
C.淋巴转移
D.种植转移
E.以上均不是
参考答案:A
--Huang, would you mind if I used your Pipa for the coming singing competition?
---________
A.Yes, of course you can.
B.Certainly, please use it.
C.No, you can’t use it.
D.No, go ahead.
一份报关单只允许填报一种贸易方式、一个提运单号、一个合同号、一个运输工具名称。 ( )