小题1:exercise for
小题2:健康的人从来不吃零食。
小题3:30 minutes. / Half an hour.
小题4:You can exercise for 30 minutes every day.
小题5:If you want to live for 100 years, you need healthy food and lots of exercise.
任务型阅读 请根据材料内容，完成各题。（共5小题；每小题2分，满分10分）
小题1:exercise for
小题2:健康的人从来不吃零食。
小题3:30 minutes. / Half an hour.
小题4:You can exercise for 30 minutes every day.
小题5:If you want to live for 100 years, you need healthy food and lots of exercise.