下列最不可能出现巨脾的是
A．慢性粒细胞白血病
B．慢性淋巴细胞白血病
C．骨髓纤维化
D．黑热病
E．类脂质沉积症
参考答案：B
髋关节前脱位出现下列哪种畸形()
A．髋关节屈曲畸形
B．髋关节外展外旋畸形
C．髋关节内收内旋畸形
D．股骨大转子上移
E．以上都不是
看图完成小短文。
A. B. C.
Do you know the meanings of these signs? You can often see them in different places. Sign A
"SLOW" tells you not to drive too 1 . Sign B means that you mustn't turn 2 , but you can turn
3 _. Sign C can be seen in a museum. It means " _ 4_ Photos", so you mustn't _5 photos there.
1. _ 2. _ 3. _ 4. __ 5. _
B. 
C. 