骨性关节炎最常发生于()。
A.肩关节
B.肘关节
C.膝关节
D.踝关节
E.腕关节
参考答案:C
38. —Your daughter looks so thin.
—Yes, she is so _____ about what she eats.
A.particular
B.especially
C. specially
D. Particularly
高强度钢内部晶粒变大融合后,强度会出现什么变化?()
A、不变
B、变大
C、变小