急性血源性骨髓炎的最好发部位是（）
A.肱骨
B.尺、桡骨
C.胫骨上端与股骨下端
D.骨盆
E.脊柱
参考答案：C
Why Harry got laughed at a. Because he was self-conceited. b. Because he was turned down by the girl. c. Because he was not getting along well with the girl. d. Because he refused the girl’s invitation to see a movie.
什么是"阴盛格阳"？
