题目

下列函数：①，②，③，④中，随的增大而增大的函数有（  ） A．①②③        B．②③④            C．①②④            D．①③④ 答案：C请根据下面提示，写一篇短文。词数不少于50。     Last Sunday, at your friend Lin Ping’s party, you unexpectedly met Wang Ning, who you hadn’t talked to since you two quarreled last month. Please tell us what you did and the reason why you did so.  _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________