胃癌最常以下列哪种方式发生转移( )。
A.血行移植
B.淋巴转移
C.直接蔓延
D.腹腔种植
E.以上都不是
参考答案:B
She likes pets. She has three dogs. _____, she has a cute cat. [ ]
A. But
B. Except
C. Beside
D. Besides
参观路线组织平面可分为()
A、环形
B、放射形
C、混合形
D、曲折形