“2004年10月14日第六届上海国际艺术节开幕，京剧艺术表演家尚长荣出演京剧《贞观盛事》中耿直进谏的名臣……”你知道尚长荣扮演角色是（  ）

    After finishing all the food in the little bowl，Goldilocks wanted to rest．She chose the small chair,but it was in pieces．Then she walked into the bedroom and very soon fell____in the small bed．The Bears returned to____house．Baby Bear pointed at Goldilocks and____，"That's the bad girl．She ate my food and broke my chair!"Hearing this．Goldilocks jumped up and hurried out of the house without____her basket．She decided not____for a walk in the forest again．

如图，矩形纸片ABCD，AD=BC=3，AB=CD=9，在矩形ABCD的边AB上取一点M，在CD上取一点N，将纸片沿MN折叠，使MB与DN交于点K，得到△MNK，则对△MNK的叙述正确的个数是：①△MNK一定是等腰三角形；②△MNK可能是钝角三角形；③△MNK有最小面积且等于4.5；④△MNK有最大面积且等于7.5

工人叔叔要在路的一边安装路灯(两端都安)，一共安装了6盏。从第一盏到最后一盏一共有____个间隔。