乳腺纤维腺瘤外观常见的肉眼特点是（）
A.息肉状
B. * * 状
C.分叶状
D.结节状
E.囊状
参考答案：D
—How long did you watch TV in the room?
—_____.[ ]
A. I felt a little tired
B. Twice a week
C. About two hours
D. It's wonderful
空气预热器空气侧设置空气旁路，其作用是？
