题目

You must get a good night sleep first, ____much work you have to do. A . although B . no matter C . however D . whatever 答案：C3．厦门市2014年中考体育考试中，某校九年级（3）班50人参加考试，具体的成绩与人数如表，则该班的中考体育的平均成绩是23.6分．成绩人数252424102210206