消防安全钩开口闭合状态长轴方向破断强度:轻型安全钩不小于27kN
参考答案:对
—I should have gone to the wonderful concert with you yesterday.
—__________.If possible,I wish I would have another such chance.
A.Yes,you should
B.Take it easy
C.What’s a shame
D.Don’t worry
消费者学习的方法主要有:()
A.模仿法
B.联想学习法
C.试误法
D.观察学习法
E.重复学习法