题目

若函数y=(k-1)x2|k|-3是正比例函数，且y随x增大而减小，则(k+3)2021= 答案：【1】1At the Expo Park, the price of a simple single meal ranges from 10 to 100 yuan,       , compared with that in local restaurants, is relatively cheap. A．as                                   B．what                             C．that                      D．which