题目

近年来，中国铁路上海局集团、南昌局集团、成都局集团等发布消息，对所属高铁列车执行票价调整：以公布票价为最高限价，分季节、分时段、分席别、分区段在限价内实行多档次票价，最大折扣幅度5.5折。对高铁车票实行差异化往价，意在（ ） ①增加高铁供给，提高市场占有率②发挥价值规律作用，市场供求决定价格 ③运用价格机制，提高高铁运营效率④形成合理比价，正确反映市场供求关系 A . ①② B . ①② C . ②④ D . ③④ 根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 　　　　1　　 When a person does a certain thing again and again，he is driven by some unseen force to do the same thing repeatedly, then a habit is formed．Once a habit is formed, it is difficult，and sometimes impossible to get rid of．　　2　　 Children often form bad habits，some of which remain with them as long as they live．Older persons also form bad habits and sometimes become ruined by them． 　　　　3　　 Many successful men say that much of their success has something to do with certain habits in early life，such as early rising，honesty and thoroughness． 　　Among the habits which children should not form are laziness，lying，stealing and so on．　　4　　．Unfortunately，older persons often form habits which ought to have been avoided． 　　　　5　　． A．There are other habits which，when formed in early life，are of great help． B．Whether good or not habits are，they are easy to get rid of． C．We ought to keep away from all these habits，and try to form such habits as will prove good for ourselves and others． D．Habits，whether good or bad，are gradually formed． E．It is very important for us to know why we should get used to good habits． F．These are all easily formed habits． G．It is therefore very important that we should pay great attention to the formation of habits．