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1单元-lesson 4-跨学科词汇

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  • We should ______ paper instead of throwing it away.
    save
    recycle
    planet
  • We all live on ______.
    Earth
    gas
    planet
  • This bottle is made of ______.
    planet
    plastic
    oxygen
  • People make bags and bottles from ______.
    plastic
    Earth
    planet
  • Plants and animals cannot live without ______.
    plastic
    recycle
    oxygen
  • We try to ______ water at home by using less.
    planet
    save
    gas
  • If you see rubbish
    you should put it in the ______ bin.
    recycle
    gas
    oxygen
  • We need ______ to breathe every day.
    light
    air
    plastic
  • Jupiter is the biggest ______ in our solar system.
    light
    planet
    plastic
  • Fish cannot live without ______ in the water.
    gas
    air
    oxygen
  • Don’t forget to ______ when you finish brushing your teeth.
    turn off the tap
    recycle
    save
  • Please ______ before you leave the room.
    recycle
    wake up
    turn off the light
  • It is ______ to save energy by turning off the light.
    gas
    important
    dirty
  • There is ______ in the balloon
    plastic
    Earth
    gas
    but you cannot see it.
  • Mars is a ______ that goes around the sun.
    planet
    plastic
    gas
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