题目

经过一、二、四象限的函数是A.y=7           B.y=-2x               C.y=7-2x            D.y=-2x-7  答案：C阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。        Yesterday I totally changed my views about life after a talk with one of my friends. He told me despite being  36  , he was happy and   37   that it was because of something he saw in India．        A few years ago he was  38  feeling sad and was touring India．He said right in front of his very eyes, he saw an Indian mother 39 her child's right hand with a knife．The helpless  40  in the mother's eyes and the painful scream of the 41 four-year-old child still remained in his mind．        The 42 mother made the child handicapped （disabled）  43  he could go out on the streets to beg．  44  by the scene, he dropped a small piece of bread he was eating．And almost at once, several children  45  around this small piece of bread covered with sand,   46 bits from one another．It was the 47  reaction of hunger．He then went to the nearest bakery and bought every single loaf of bread．  48   he gave out the bread to the children （mostly handicapped）, he  49   cheers and bows from these  50   children．For the first time in his life, he understood  51  people could give up their  52  for a loaf of bread．He came to   53   how fortunate he was to be able to have a sound body, have a job, have a family, have the chance to  54   about food that didn't taste good, and have the many things that these people in front of him   55   dreamed of having．Perhaps life wasn't bad at all． A．in poor health       B．on a diet      C．in debt               D．out of work A．explained          B．recalled     C．mentioned           D．insisted A．certainly          B．really       C．seriously              D．absolutely A．took off           B．carved from  C．scratched on          D．cut off A．expression         B．despair      C．impression            D．anger A．guilty            B．tiresome     C．innocent              D．numb A．merciless          B．upset        C．desperate             D．crazy A．unless             B．so that       C．in case               D．because A．Puzzled           B．Attracted     C．Disgusted            D．Shocked A．gathered          B．looked       C．sat                 D．turned A．sharing            B．taking           C．offering            D．giving A．mental             B．physical      C．natural              D．emotional A．Since              B．Until          C．If                  D．As A．received           B．accepted       C．heard               D．rejected A．polite             B．unfortunate   C．energetic            D．greedy A．whom             B．what           C．how                D．when A．honor            B．identity      C．morals              D．dignity A．acknowledge       B．realize         C．conclude            D．recognize A．complain           B．comment       C．argue               D．decide A．even              B．ever            C．never               D．hardly