简答阅读下面的短文，然后根据短文内容回答问题．
COVID﹣19（新冠肺炎）is spreading all over the world． What should we do to prevent the virus（病毒）from spreading？ Here are the suggestions．
First， we should seldom go out． It's easier to get sick outside． When we have to go out， we must wear face masks（口罩）． Second， we should often open the windows in order to keep the air in the room fresh． Fresh air is good for us to keep healthy． Third， we ought to wash our hands many times a day， especially before meals and after going to the toilet．And each time we should wash them with soap and running water for at least 20 seconds． Fourth， make sure we have a good sleep at night． People who are tired or under stress can get sick easily， so it's important to have enough sleep． Lastly， we can do sports like walking or running slowly at home．
Everything will go well as long as we take good care of ourselves． We believe that we will win the fight soon．
（1）What must we wear when we go out？
（2）What should we often do to keep the air in the room fresh？
（3）How long should we wash hands each time？
（4）Why is it important to have enough sleep？
（5）Can we do sports at home？
1.Face masks 2.Open the windows 3.At least 20 seconds 4.Because people who are tired or under stress can get sick easily 5.Yes,we can
【分析】文章主要讲了如何预防新冠肺炎给出了一些可行的建议．
【解答】（1）Face masks．细节理解题．根据第2段中"When we have to go out， we must wear face masks．"可知当我们外出时，我们必须佩戴口罩．故答案为Face masks．
（2）Open the windows．细节理解题．根据第2段中"Second， we should often open the windows in order to keep the air in the room fresh．"可知为了保持室内空气新鲜，我们应该经常开窗户．故答案为Open the windows．
（3）At least 20 seconds．细节理解题．根据第2段中"And each time we should wash them with soap and running water for at least 20 seconds．"可知我们每次洗手要至少洗20秒钟．故答案为At least 20 seconds．
（4）Because people who are tired or under stress can get sick easily．细节理解题．根据第2段中"People who are tired or under stress can get sick easily， so it's important to have enough sleep．"可知有充足的睡眠很重要是因为劳累或有压力的人很容易生病．故答案为Because people who are tired or under stress can get sick easily．
（5）Yes， we can．细节理解题．根据第2段中"Lastly， we can do sports like walking or running slowly at home．"可知我们可以在家做散步、慢跑之类的运动，此处用肯定回答．故答案为Yes， we can．
【点评】题目要求根据短文内容回答问题，主要考查学生的阅读理解能力、从文中提取信息的能力及归纳概括能力．做题时，要根据不同的题型分情况作答：主旨大意题要根据短文内容概况其主旨，或直接筛选文章的中心句；细节理解题需要根据题目要求在文中找出相应内容，可直接得出答案；推理判断题也需要根据题目要求在文中找出相关内容之后进行合理的推理，最终得出答案．