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Sugar is important to all living things.And in a r 97 research,scientists found that anything sweet could be used as a fuel by batteries (电池).At a scientific meeting in Chicago,one of the researchers s 98 the new battery to the people at the meeting.It was as
b 99 as a postage stamp and could successfully run a calculator.
“The battery is better and much c 100 for the environment,” the researchers said in a speech.“ Besides,these sweet new batteries can operate three to four times longer than the general batteries that people u 101 in mobile phones,MP3 players,iPods and many
o 102 electronic devices(电子装置).”
The new battery is wonderful.Researchers said that the battery could be on s 103 in three to five years.
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先给你两个,我去吃饭了
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