电子课本网 第84页

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She is great. I can learn how to overcome difficulties from her.(言之有理即可)
       Recently, scientists have made a survey about young adults walking habits.
       The survey shows that a quarter of young adults aged between 18 and 24 walk 
no more than fifteen minutes a day. Many people think technology development is 
keeping them from walking while some young people think they are not willing to 
walk if there is nobody to walk with. For some young people, they are too busy 
working or studying to walk. The air pollution is another reason why they do not 
want to walk.
       Based on what is surveyed, experts suggest walking more everyday instead of 
taking the car or bus all the time. Walking with friends, classmates or workmates to 
school or to work is also encouraged. Moreover, it will be better for people to have 
an extra 20-minute walk every day, which is believed to help reduce the risk of many 
diseases, including heart disease. 
       Just remember: the more you walk, the healthier you will be.