直肠癌的主要转移方式是()
A.血行转移
B.淋巴道转移
C.种植性转移
D.直接外侵
E.以上都不是
参考答案:B
3, 10, 29, 66, ( )
A.132
B.125
C.126
D.127
Each fire pump on a ship must have a pressure gauge located at().
A.the pump discharge
B.the manifold connection
C.each fire station discharge
D.the pump station