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    【题目】课外阅读。

    会睡觉的植物

    在一天的学习工作后，人需要睡觉休息。你知道吗？植物也会睡觉。

    有一种三叶草，只要天一黑，它就睡觉。在阳光下，它每个叶柄上的三片小叶，都在空中展开。到了晚上，三片小叶就会折叠起来，好像人闭上了眼睛。

    植物的花也一样。夜晚，蒲公英的花儿向上合拢，胡萝卜的花儿向下低垂，都表明它们已进入梦乡。

    植物的睡眠也是一种自我保护，是为了更好地生长。

    【1】短文共有（_________）个自然段，其中第（_________）自然段详细描写了三叶草睡觉的情况。

    【2】请根据短文的内容连一连。

    三叶草 花儿向上合拢

    蒲公英 花儿向下低垂

    胡萝卜 小叶折叠起来

    【3】判断下列说法的对错，对的打“√”，错的打“×”。

    （1）有一种三叶草，天一亮，它就睡觉了。 （_________）

    （2）胡萝卜的花儿向上合拢，表明它已经进入梦乡。 （_________）

    （3）植物和人一样，也需要睡觉休息。 （_________）

    【4】睡眠对于植物来说有什么样的作用？请把文中相关的句子画上横线。

    【答案】

    【1】 四 二

    【2】三叶草----小叶折叠起来;蒲公英----花儿向上合拢;胡萝卜----花儿向下低垂

    【3】 × × √

    【4】植物的睡眠也是一种自我保护，是为了更好地生长。

    【解析】

    【1】略

    【2】略

    【3】略

    【4】略

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