题目

 “If you want to improve your study, you must give up the computer games.” Our math teacher says. It means ___________ you play computer games, _________ your study will be. A. the more; the better                 B. the less; the better C. the more; the more                  D. the less, the more 答案：B已知，则下列结论中正确的是（ ）A．函数y=f（x）•g（x）的周期为2B．函数y=f（x）•g（x）的最大值为1C．将f（x）的图象向左平移个单位后得到g（x）的图象D．将f（x）的图象向右平移个单位后得到g（x）的图象