题目

When does the man usually do exercise?A. In the afternoon. B. In the morning. C. At night. 答案：【答案】B【解析】M: I usually work out at 6:00 in the morning. But sometimes, I go after dinner around 7:00. When do you go to the gym?W: My mornings are too busy. I have to wait until I get off work at 3:00 p.m.此题为听力题，解析略。体育课上全班女生进行百米测验，达标成绩为18秒（小于等于18秒均达标），下表是第一小组8名女生的成绩记录，其中“+”表示成绩大于18秒，“-”表示成绩小于18秒，“0”表示刚好达标，这个小组女生的达标率是 ．-2+0.300-1.2-1+0.5-0.4