题目

“多党合作制就好比一支交响乐队，各民主党派都是演奏师。大家公认，谱曲的就是共.产.党，并且是吸收了交响乐队各位乐师的意见才把乐章谱好的。”这段话形象地说明了( ) ①中国共.产.党和民主党派是亲密的友党关系 ②在多党合作制中，中国共.产.党和各民主党派是领导与被领导、监督与被监督的关系 ③各民主党派在思想上、政治上、组织上都服从中国共.产.党的领导 ④中国共.产.党和各民主党派政治纲领　　1．A train car moves along a long straight track. The graph（曲线）shows the position as a function of time for this train. The graph shows that 　　A．slows down all the time 　　B．speeds up all the time 　　C．speeds up part of the time and slows down part of the time 　　D．moves at a constant speed 　　2．As the diagram shows, there is a fixed superconductor ring, on the right of which lies a bar magnet. There is no electric current. When the magnet is moved to the right, because of electro-magnetic, induction, a certain electric current is produced. Thus the direction of the electric current is ________. 　　A．as indicated by the arrowhead in the diagram. When the magnet is moved away, the electric current will soon disappear. 　　B．as indicated by the arrowhead in the diagram. When the magnet is moved away, the electric current will still remain. 　　C．in the opposite direction. When the magnet is moved away, the electric current will soon disappear. 　　D．in the opposite direction. When the magnet is moved away, the electric current will still remain.