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What is exercise?
Playing football is exercise.
Playing sports is exercise.
What is exercise?
Riding a bike is exercise.
What is exercise?
Running is exercise.
Exercise helps make your body healthy and strong.
riding a bike brushing your teeth running walking to school reading the newspaper do your homework playing on the computer playing basketball eating donuts playing football watching TV
riding a bike
running
walking to school
play basketball
play football
What time is it?
It’s eight o’clock.
one hour=sixty minutes
(小时） (分钟）
How much exercise do you need?
I need about an hour of exercise every day.
Ms. Ji
What do you do for exercise?
I run in the morning and I run in the evening. About twice a day.
How many hours do you run?
About eleven hours
You’re too tired.
Ms. Ji
Ms. Ji