题目

如图，在中， ，，， 动点从点出发，沿的方向运动，设点的运动路程为 ， 的面积为 ， 则与的函数图象大致是（ ） A . B . C . D . 答案：C阅读理解。     When you think about running away, you probably imagine that there will be no more rules, no parentto tell you what to do, no more fights. Sounds great and exciting, right? In fact,    1  but fun.Kids who run away face new problems like not having any money, food to eat, a safe place to, sleep, oranyone to take care of them.        People with no home and no money become ready to do anything just to meet their everyday needs. Because of this,     2  that would be terrible even for adults. Run-away kids join in dangerous crimes(犯罪) much more often than kids who live at home.        Kids who live on the streets often have to steal(偷) for a living. Many take drugs to get through the day because they become so sad and feel that    3  . Some are forced(被迫) to do things theywouldn'tnormally do to make money. The number of kids with HIV or AIDS and other diseases ishigher on streets, too, because     4  . This problem is attracting more and more attention. A. running away is nothingB. they often find them in risky situationsC. it may be naturalD. these kids are more easily to get affected(感染)E. no one cares about themF. take good care of