PartA ReadingAloud(模仿朗读)
Inthispart,youarerequiredtowatchavideoclipandreadafterthespeakerinthevideo.
Conditions may be just as severe on the high peaks of the Alps,two thousand miles to the south,at least during the winter.But here spring brings a greater benefit than it does in the Arctic.The sun rises higher in the sky and is warm enough to melt all but the highest snow fields.As it melts,it reveals the snowball,already in flower.The plant formed its flower buds last autumn,before the increasing cold shut down all its activities for the winter.The buds remained dormant until the spring sunshine,filtering down through the snow triggered them into action and they opened even before the snowy blanket above them all had melted.
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