判断题

2. 运动员在训练和比赛中要注意保持宿舍清洁，空气清新，还应注意保持运动服和擦汗巾的清洁。

答案：正确

你可能感兴趣的试题

单项选择题

In the United States school systems, which of the following division is true? A. Elementary school, senior high school, junior high school. B. Junior high school, senior high school, high school. C. Elementary school, grammar school, high school. D. Elementary school, high school.

机械加工余量分为（）和工序余量，对同一表面，前者是后者的总和。

答案：正确答案：总余量