与肌萎缩性侧素硬化相鉴别,脊髓空洞症的特点是
A.节段性分离性痛温觉缺失
B.肌束震颤
C.双手肌肉萎缩
D.MRI可显示空洞
E.锥体束症
参考答案:A,B,C,D,E
________ they ________ a volleyball ? [ ]
A. Do , has
B. Does, have
C. Do, have
D. Does, has
学生最显著的社会特性是()。
A.半成熟性
B.学习性
C.发展性
D.可变性