骨端或骨骺碎裂伴硬化常见于（）
A.绒毛结节性滑膜炎
B.Reiter综合征
C.骨端或骨骺缺血坏死
D.大骨节病
E.烧伤
参考答案：C, D, E
—Why was the old man so angry _____ his wife?
—Because his wife never visited him _____ hospital. [ ]
A. at; at
B. with; in
C. at; in
D. with; at
已在硝酸钾在不同温度下的溶解度如下表：下列说法不正确的是
A．20℃时，硝酸钾的溶解度为31.6g
B．硝酸钾的溶解度随温度的升高而增大
C．30℃时，在100g硝酸钾的饱和溶液中含有45.8g硝酸钾
D．40℃时的饱和硝酸钾溶液，降温可以使它变浓
d man so angry _____ his wife? 