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  • 冀教版小学英语(三起)--第八册 UNIT 2-Lesson 13 Exercise 锻炼

    UNIT 2 Good Health to You!祝你健康! Lesson 13 Exercise 锻炼 1.What is exercise?什么是锻炼? Exercise helps make your body healthy and strong Riding a bike is exercise.骑自行车是锻炼. Walking to school is exercise.走路去学校是锻...

  • SCIENCE IN THE NEWS - How Much Exercise Do You Really Need?

    SCIENCE IN THE NEWS - How Much Exercise Do You Really Need? BOB DOUGHTY: This is the VOA Special English program SCIENCE IN THE NEWS. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shuirley Griffith. Today, we will tell why exercise is so important. And we...

  • 北师大初中英语七年级上--Unit 1-4

    [00:00.00]Unit 1 Meeting People [00:05.23]Lesson 4 [00:10.79]Exercise 1.2 [00:13.45]Work it out [00:15.33]He's a singer. They're singers. [00:19.21]She's a writer. They're writers. [00:22.52]He's an actor. We're actors. [00:26.21]She's an astronaut....

  • Sudden Exercise Poses Heart Risk for Sedentary People

    If you don't exercise regularly(有规律的), a sudden bout of energetic activity can trigger a heart attack, and may even kill you, according to a new study published in JAMA, the journal of the American Medical Association. It sounds like the...

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