血精的病位在（）
A.前列腺
B.精囊
C.睾丸
D.附睾
E.输精管
参考答案：B
Daniel’s school is __________ the east of the town and ________ the south of the hospital.
A．in; in
B．to; to
C．on; to
D．in; to
骨髓纤维化（）.
A.NAP积分明显增高
B.NAP积分明显减低
C.骨髓穿刺常常干抽
D.外周血有异形淋巴细胞
E.红细胞沉降率明显增快
