出口玩具必须逐批实施检验,检验不合格的,不准出口。 ( )
参考答案:对
Mr. Smith, together with his wife, ______ coming soon. [ ]
A. are
B. is
C. were
D. does
对于扣件式钢管模板支架的梁和板立杆,其纵横向间距应相等或成倍数关系。