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    作文網,小學生作文,初中作文,高中作文,作文題材大全!

    走進植物世界

    編輯:作文網 | 來源:日記

    走進植物世界
    今天,著名的植物學家史軍老師給我們帶來了許多關于植物的精彩講座,他的講座繪聲繪色,讓我聽得如癡如醉。
    史老師一開始給我們看了幾張圖片,讓我們猜猜哪個圖片是蘿卜,我們就七嘴八舌的討論起來:有的人說這張圖片是蘿卜,有的人說那張圖片是蘿卜,甚至還有人說這些圖片全都是蘿卜。正當大家在爭論不休時,史老師發活了:“同學們,其實這些圖片中沒有一張是蘿卜,它們有的是甜菜,有的是無青,跟蘿卜沒有半點關系!”我們一聽又失望又驚奇:失望的是因為我們都沒有答對,驚奇的是因為我們還都沒看到過和蘿卜這么想像的植物呢!
    接著史老師告訴我們,觀察植物的地方有很多,比如:大自然、溫室、實驗室、植物研究所、高山上、餐桌上、菜場里......我們觀察植物時,可以用鼻子,眼睛,手。
    另外,史老師還特別講到了植物的味道。他告訴我們,人們吃到的味道有酸味、甜味、苦味、辣味和咸味,還說糖是從甘蔗、甜菜等植物里來的哩!說道甜,史老師還問我們是否知道為什么甘蔗要儲存甜味,我們的一位同學回答說是因為甘蔗要儲存養分,繁衍后代。史老師翹著大拇指表揚了這位同學。
    史老師的這次講座讓我大開眼界,增加了很多關于植物的知識,讓我更加了解了植物,越發覺得植物的可愛了。真希望史老師能常來我們學校,來豐富我們的植物知識。

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