今天科學課，李老師走進教室就問了我們兩個問題：
“你們猜一猜，每棵油菜上大約有多少個菜莢？每個菜莢里有多少顆菜籽？”
老師的話剛說完，大家就七嘴八舌地回答起來：“21個菜莢，20顆菜籽。”
“50個菜莢，16顆菜籽。”
“100多個菜莢，30幾顆菜籽。”……
李老師神秘地笑了笑，說：“我們還是到田里去解決這個問題吧！”
我們來到田邊，一看，二十多天前，這里還是一片金黃，現在每一棵油菜的枝條上結滿了一個個飽滿的菜莢了，看起來有點沉。仔細觀察菜莢，只見一顆顆種子脹滿了它的“外衣”，圓鼓鼓的凸了出來，頂端尖尖的；剝去“外衣”――菜莢，里面的種子圓溜溜的`，像一顆顆小珍珠晶瑩發亮，十分好看。
我和仇琦兩人一組合作數，我們兩個兩個地數，很快就數完了三株油菜。當我數到最后一棵的時候，大吃一驚，這株足足有400多個菜莢，它們密密麻麻地掛在莖上伸出的枝條上。我還從上面采來了一個菜莢，剝開數了數有27顆菜籽。
Today, science classes, the teacher asked us to walk into a classroom on two issues : "You guess.Rape about the number of dishes for each pod? how many there are in each pod vegetables rapeseed? "the teacher said just now.We will go on to answer : "21 dishes dioxin, 20 were rapeseed. "" Vanilla 50 dishes.Rapeseed 16 satellites. "" Vanilla more than 100 dishes, a few of rapeseed 30. ": : The teacher smiled mysteriously and said :"We have to solve this problem or to the fields!" We have come to the edge, a look at two days ago,here was still golden, every tree branches rape of a month full of dishes full unity of the pod looks a bit Shen.Careful observation pod vegetables, I saw so many seeds of its legs "while" a convex circular swelling, and the sharp tip;Has the "cloak" of dioxin -- vegetables, seeds inside the circle Liuliu, like so many small shiny glistening pearls, very pretty.Theirs was a combination of me and a few Qiuqi, two at several quickly finished several lengthy rape.When I find that the tree came over 400 pages of this strain of dioxin in food,They're helping to hang on branches stems.I have to adopt a vegetable dioxin from above, catching 27 rapeseed augmented.
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