乳腺导管内 * * 状瘤最常见的临床症状是
A． * * 溃烂
B． * * 溢液
C．乳腺疼痛
D．乳腺红肿
E． * * 下陷
参考答案：B
How long have I book? [ ]
A. borrowed
B. bought
C. lent
D. kept
There is such a problem _________ we all should _________.
A．as; pay attention to it
B．that; attract our attention
C．as; pay attention to
D．that; attract our attention to it
