D19型大平车的换长为()。
A.3.4
B.3.5
C.3.6
D.3.7
参考答案:C
— Shall Mary come to the concert with us?
-Not_____she has finished her paper.
A.since
B.once
C.when
D.unless
中风后半身不遂,推拿治疗的理想时间是()
A.一发生立即治疗
B.中风后2周左右
C.中风后3~6个月之间
D.中风半年以后