急性脊髓炎的好发部位在（）.
A.颈髓
B.胸髓
C.腰髓
D.骶髓
E.圆锥
参考答案：B
(2013·宁夏银川一中高三第四次考试)Each of the 400 people received from their boss ________ gift—“Who moved my cheese？”， ________ bestseller in the US, which helped them understand how to deal with changes in their lives and work.
A．the; /
B．a; /
C．a; a
D．the; a
