题目

Steven has a lot of work to _______ in the office since he has been away for quite a few days. A. take up      B. make up     C. work out    D. carry out 答案：B为了节约用水,学校改革澡堂收费制度,实行计时收费,洗澡时间在30分钟以内(含30分钟),每分钟收费0.1元,30分钟以上超出的部分每分钟0.2元,请设计程序,使用基本语句完成澡堂计费工作,要求输入时间,输出费用.