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_______is exercise.
They are playing ping-pong.
_____________ is exercise.
Playing ping-pong
Running
Riding a bike
Walking
Playing ping-pong
is exercise
What is exercise?
What is exercise? What is not exercise?
1.Sleeping ?
2.Jumping ?
3.Playing basketball?
4.Swimming?
5.Playing computer games?
6.Walking to school ?
Discuss
(小组讨论)
minute
hour
分钟
小时
Sixty
minutes make an hour.
Think(想一想)
1.How many minutes make two hours?
2.How many hours make a day?
3.How many days make a week?
120