Subject directories are built by humans.Someone has________pages and links and selected all those that are in the directory.
Some people claim that surfing the Internet is a waste of time.They make the________that children spend too much time chatting and playing games instead of focusing on their school work.
Not only has aspirin proved________for reducing fever and helping stop pain,but there are also other things that aspirin can help with.
Fleming immediately realized that the mould might have an________in treating illnesses caused by bacteria.
Nearly 3,500 years ago,people chewed on leaves or drank a kind of tea made from leaves_______a special chemical to reduce body pains and fever.
假定你是李华，你对本班50个学生进行了健康问题的问卷调査。请给你的班主任兼英语老师Jack写一封电子邮件，告知调査的结果和自己的建议。内容主要包括：
1.依据表格内容，综述学生当前存在的健康问题；
2.就中学生如何保持身心健康提出自己的建议。
注意：1.词数100左右；
2.可适当增加细节，以使行文连贯。
问题类型 | 学习焦虑 | 睡眠不足 | 缺乏锻炼 | 视力不佳 |
人数 | 35 | 40 | 25 | 35 |
比例 | 70% | 80% | 50% | 70% |
