书目

高职实用英语(第1册)

内容简介

WedontfeelthatwearespinningwhenwestandontheEarth.ButinfacttheEarthismovingveryfast.Thegroundattheequatorisspinningat1,600kilometer(1,000miles)perhour!Theequatorisanimaginaryline.ItisaroundthemiddleoftheEarth.TheEarthspins(rotates)aroundanimaginaryline.

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