肛门癌转移方式有（）
A.种植转移
B.淋巴转移
C.直接蔓延
D.远处转移
E.血液转移
参考答案：B, C, E
Some of the young men learn English ________ to the radio. [ ]
A. from listen
B. from listening
C. by listen
D. by listening
同一资料算得r＝0.8875，b＝-2.1。
