大肠癌血行转移最常转移至()
A.肝
B.肺
C.骨
D.膀胱
E.肾
参考答案:A
解析:大肠癌血性转移常引起肝转移,其次为肺转移、骨转移等。故本题选择A。
— __________ her pen pal __________ in Shantou?
— No, she __________ in Guangzhou.[ ]
A. Do, live, live
B. Does, lives, lives
C. Does, live, lives
RNA病毒()
A.HBV
B.HCV
C.CTL
D.NK
E.SPA