Lets-Read-And-Find-Out

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排序依

HOW PEOPLE LEARNED TO FLY /STAGE 2

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DINOSAUR TRACKS /STAGE 2

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CLOUDS /STAGE 1

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VOLCANOES /STAGE 2

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WHAT'S SO BAD ABOUT GASOLINE? /STAGE 2/乾淨能源

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LIFE IN A CORAL REEF /STAGE 2

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WHERE DID DINOSAURS COME FROM? /STAGE 2

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WHAT HAPPENS TO OUR TRASH?/STAGE 2

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SHARKS HAVE SIX SENSES/L2

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WHAT IS THE WORLD MADE OF? /L2

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A NEST FULL OF EGGS /L1

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WHAT LIVES IN A SHELL? /L1

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WHAT MAKES DAY AND NIGHT/L2

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WHERE DOES THE GARBAGE GO? /L2

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WHY DO LEAVES CHANGE COLOR? /L2

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BUGS ARE INSECTS /L1

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FROM CATERPILLAR TO BUTTERFLY/ L1

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HOW A SEED GROWS/L1

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THE PLANETS IN OUR SOLAR SYSTEM

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WHAT'S FOR LUNCH?

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