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    東方明珠小學生日記大全網

    終于成功了 作文600字

    東方明珠小學生日記大全網 http://www.azhugong.com 2019-04-01 19:33 出處:網絡 編輯:
    相關專題: 初三記事作文

    初一上學期時,我做過一個生物研究——養蠶。

      買蠶那天,我興致勃勃地買了十條一齡蠶,五條白蠶,五條花蠶。回家后,我首先為它們精心準備了一個舒適的家——一個硬紙板的盒子,然后為它們準備了一頓豐盛的桑葉大餐,把它們輕輕放在桑葉上,可它們卻不吃。這激起了我的興趣:為什么它們不吃?怎么放桑葉它們才吃?

      我把它們放在桑葉上,不吃。把桑葉塞到它們嘴邊,不吃。我把桑葉立在盒子邊上,它們向桑葉爬去,卻不是去品味,而是把桑葉撞倒,踩在腳下。最后,我把桑葉蓋在它們身上,它們才開始把桑葉挖出幾個小半圓,再挖成大半圓,最后只剩葉脈。原來,它們要用葉子蓋住身子來吃啊!

      為了讓它們享受到清晨第一縷陽光,我就把“家”安放在陽臺上。它們也不辜負我的期望,長成了二齡蠶。

      但是,它們蛻皮之后沒多久,就發生了一件“毀滅性”的災難。

      那天早上,我把準備好的桑葉拿到陽臺上,忽然聽到了盒子發出“嗒嗒”的聲音。我沖過去,發現有兩只麻雀在爭搶著最后一條蠶,而其他的蠶早已成為麻雀的美食。“你們這些屠夫,看我不殺了你!”我呵斥著,麻雀哄的一下飛走了。看著凌亂不堪的場景,我氣得直跺腳。我的第一次實驗,就這樣以失敗告終。

      第二次,因為害怕這些瘦弱的小生物又一次遭到不測,于是就只買了五條。吸取了第一次失敗的經驗,我不再把它們的“家”放在陽臺上,而是放在陽臺門邊。我更加愛護這些軟軟的小蟲子了。終于,在我的精心照料下,它們比我的小拇指了粗,長了,成為五齡蠶啦!再養它們一兩個星期就可以吐絲結繭啦!每次聽它們吃桑葉時的“沙沙”聲,我的心就像在平靜的湖面上飛翔。

      可是命運好像并不看重我這些白白的小東西,又跟我開了個玩笑。

      一天,客廳里傳來了“吱吱嘎嘎”的聲響。好像是一種尖銳的東西在刮著紙板……啊!我的狗!他在對我的蠶做些什么?我扔下筆,沖了出去。但還是晚了,狗入侵了蠶的家,把它們踩的一個不剩了!看著被踏死的蠶和亂七八糟的桑葉,我操起一根棍子想去打狗,可狗兒卻伸著個舌頭看著我……

      第三次,我更加小心翼翼,剛買到五條蠶,就立刻把它們放進盒子里,蓋上蓋子,再在上面鑿幾個小洞,并時不時地看一下,看看有沒有什么問題,便于及時“搶救”。它們每次蛻皮我都會一直看著,看著它們生命的“涅槃”。

      在我的悉心照料之下,它們結繭了。

      結繭后,我仔細地觀察了一下它們的繭,發現白蠶結的是白繭,花蠶結的是黃繭。有一條的絲沒吐好,落地上了。我用手一捏,呵,全粘手上。了!

      在兩個星期后,我發現那幾個繭有時會滾動,我仔細觀察了兩個小時,發現有幾只蠶蛾在向外掙扎。再過了一個小時,五只蠶蛾都破繭而出啦!我的實驗也終于成功啦!

      這次實驗,我一共做了三次。我發現,要做好一件事并不容易,你得從一次次失敗中找出教訓,不斷改進,鍥而不舍地堅持下去!


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