C6脊髓节段损伤对应的运动关系是()
A.呼吸运动
B.伸腕运动
C.握拳运动
D.伸膝运动
E.屈髂运动
参考答案:B
用电器工作时的电流约为1A,则此用电器可能是( )
A.电子计算机
B.家用空调
C.冰箱
D.微波炉
Not unti his fellows criticized him _______ to admit his mistake.
A.does he begin
B.did he begin
C.began he
D.had he begun