【題目】課外閱讀。

會睡覺的植物

在一天的學習工作后，人需要睡覺休息。你知道嗎？植物也會睡覺。

有一種三葉草，只要天一黑，它就睡覺。在陽光下，它每個葉柄上的三片小葉，都在空中展開。到了晚上，三片小葉就會折疊起來，好像人閉上了眼睛。

植物的花也一樣。夜晚，蒲公英的花兒向上合攏，胡蘿卜的花兒向下低垂，都表明它們已進入夢鄉(xiāng)。

植物的睡眠也是一種自我保護，是為了更好地生長。

【1】短文共有（_________）個自然段，其中第（_________）自然段詳細描寫了三葉草睡覺的情況。

【2】請根據(jù)短文的內(nèi)容連一連。

三葉草 花兒向上合攏

蒲公英 花兒向下低垂

胡蘿卜 小葉折疊起來

【3】判斷下列說法的對錯，對的打“√”，錯的打“×”。

（1）有一種三葉草，天一亮，它就睡覺了。 （_________）

（2）胡蘿卜的花兒向上合攏，表明它已經(jīng)進入夢鄉(xiāng)。 （_________）

（3）植物和人一樣，也需要睡覺休息。 （_________）

【4】睡眠對于植物來說有什么樣的作用？請把文中相關(guān)的句子畫上橫線。

【答案】

【1】 四 二

【2】三葉草----小葉折疊起來;蒲公英----花兒向上合攏;胡蘿卜----花兒向下低垂

【3】 × × √

【4】植物的睡眠也是一種自我保護，是為了更好地生長。

【解析】

【1】略

【2】略

【3】略

【4】略

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