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实验目的通过实验,知道植物生长需要空气、水和阳光。实验准备菊花(或其他植物)两盆,塑料袋一只,大纸盒一
Experimental Objectives Through experiments, we know that plants need air, water and sunlight to grow. Experimental preparation Chrysanthemum (or other plants) two basins, a plastic bag, a large paper box