科研之友
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<正>最近,英国索普游乐园推出了一个新项目——"行尸走肉"过山车。这个项目的特别之处在于,在玩的过程中产生的尖叫声还能给手机充电!Thorpe Park in UK has a new attraction—The WalkingDead. It is a special roller coaster. Riders can now powertheir smartphones by screaming loudly.A research showed that teenagers’biggest fear is their
