接焊接在钢板厚度等于或大于（）mm时，一般应开坡口，钢板搭接缝的宽度一般为（）倍板厚，常取（）mm。
参考答案：6、6-8、35-60
刘某与陈某系邻居，因琐事口角而大打出手，致部分财物损坏，就损害赔偿问题，当地人民调解委员会予以调解，现刘某对调解决定不服，向法院起诉，被告应是()。
A．陈某
B．调解委员会
C．陈某夫妇
D．调解委员会和陈某
If the policemen had arrived two minutes later than that, the man must have been killed by the gang.
A. Had the policemen arrived B. If the policemen arrivedC. If the policemen arrived D. Had the policemen had arrived
