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[원본지문] 사설부교재 > Visual_Audio > TED > Thinking and Learning > Can you solve the virus riddle? - Lisa Winer
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[원본지문] 사설부교재 > Visual_Audio > TED > Science and Technology > Jellyfish predate dinosaurs. How have they survived so long? - David Gruber
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[원본지문] 사설부교재 > Visual_Audio > TED > Social Studies > The history of Tea - Shunan Teng
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[원본지문] 사설부교재 > Visual_Audio > TED > Health > How the food you eat affects your gut - Shilpa Ravella
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[원본지문] 사설부교재 > Visual_Audio > TED > Science and Technology > Why are there so many types of apples? - Theresa Doud
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