原发性肝癌的转移途径是()
A.经胆道转移
B.肝内转移
C.血行转移
D.淋巴转移
E.种植转移
参考答案:B, C, D, E
根据句意和首写字母补全单词。
小题1:You must be c______ when you cross streets. There are too many cars.
小题2:Our class is organizing a talent show to r_______ some extra money for charity.
小题3:If you go aboard alone, you will m______ your family.
小题4:Would you mind c_____ the dinner?
小题5:I saw someone cooking in the k________ when I passed it.
数据库设计分为以下6个设计阶段:需求分析阶段、 【4】 逻辑设计阶段、物理设计阶段、实施阶段、运行和维护阶段。