以“兵圣”之誉而名垂千古的中国古代大军事家是（）。
A.诸葛亮
B.曹操
C.孙武
D.司马懿
参考答案：C
________ the mountains was hard work for them but as they looked around, they could not help screaming.
A．Climb
B．To climb
C．For climbing
D．They climbed
女，19岁，左膝部疼痛，局部肿胀3月余，夜间疼痛加重，结合影像学检查，最可能的诊断是（）
A.骨结核
B.骨巨细胞瘤
C.骨肉瘤
D.化脓性骨髓炎
E.骨转移瘤
