题目

将二次函数化为的形式，结果为y=               ．  答案：  解析:略 Sumo wrestlers (相扑选手) are usually big, heavy men．The biggest sumo wrestler of all the time is Konishiki, who now  26  about 230 kg．Born in Hawaii, he was  27  a big boy．When he was a teenager, some people  28  he go to Japan and become a sumo wrestler． Although he took their advice, at first it was a  29  life．“I had to clean the toilets and  30  the rubbish,” Konishiki remembered, “I knew I had to  31  to the life in Japan．I said to myself, ‘I  32  learn Japanese.’ Soon I could  33  it quite well.” Konishiki’s career started  34 , and he was soon upgraded to a higher rank．But despite his  35  he soon had health problems．The doctors told him that he should  36  some weight．“I started dieting．I  37  to do it．But I did it too  38 ,” he said, “I lost some of my strength, too.” He lost a lot of fights, and then his parents got  39  in a car crash．“I must go and  40  them,” he thought．Though it was only three days  41  a big tournament (锦标赛), he flew back to Hawaii．Although he was quite  42 , they were not badly injured． When he returned, he knew that he had to do well．The newspapers said, “Konishiki must win,  43  he will go down in rank.” Though he had many problems, Konishiki won 14 of his 15 fights, and won the Emperor’s Cup．He was so  44  that he cried．“You ought not to show your feelings,” he said, “but I couldn’t  45  it.” 1.A．means                   B．measures          C．weighs               D．has 2.A．always                   B．hardly                C．sometimes        D．once 3.A．promised B．allowed                          C．considered          D．suggested 4.A．real                        B．hard                  C．comfortable       D．rich 5.A．sell                        B．bring                  C．take                 D．empty 6.A．get used                B．respond            C．devote              D．lead 7.A．would                     B．can                    C．must                 D．may 8.A．speak                     B．say                    C．learn                 D．tell 9.A．bad                        B．well                    C．suddenly           D．similarly 10.A．failure                   B．success             C．effort                 D．fame 11.A．gain                      B．lose                   C．save                 D．spare 12.A．failed                   B．began                C．had                    D．refused 13.A．stupidly                B．carefully             C．slowly                D．quickly 14.A．shocked               B．destroyed          C．ruined                D．injured 15.A．visit                      B．care                  C．search             D．serve   16.A．after                     B．since                  C．before               D．until 17.A．happy                 B．worried              C．surprised           D．regretful 18.A．because               B．but                    C．or                      D．and 19.A．sad                       B．nervous             C．curious              D．happy 20.A．do                        B．help                  C．feel                    D．leave