b5u3-amazing-things公開課課件(存儲版)
【正文】 F F Send messages with a “thoughtpad” 1) place the metal band over one’s head 2) clear one’s mind 3) press button 4) think the message and send it 2） How are the messages sent in the 31st century? (Para 2) True or false 1). The rubbish used to be sent to buried or burned. 2). The rubbish is turned into the same grades of material. 3). Nothing is wasted and everything is recycled. F T T swallow all the waste available turn the rubbish into grades of useful material 3） How does the waste machine work? (Para 3) Mode
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