颈膨大以上损伤的瘫痪表现是()
A.四肢中枢性瘫
B.双上肢周围性瘫,双下肢中枢性瘫
C.双下肢周围性瘫
D.双下肢中枢性瘫
E.四肢周围性瘫
参考答案:A
— What do you usually do after school?
— _____.[ ]
A. I want to be a pilot
B. I'm going to visit the museum
C. I usually practice the piano
栈中允许进行插入和删除的一端叫做______。