問題詳情
1.下列關於天然纖維的敘述，何者正確？
(A)蠶絲的主成分為纖維素
(B)棉的主成分為蛋白質
(C)動物纖維燃燒時有臭味
(D)植物燃燒時的氣味像燒塑膠。
(A)蠶絲的主成分為纖維素
(B)棉的主成分為蛋白質
(C)動物纖維燃燒時有臭味
(D)植物燃燒時的氣味像燒塑膠。
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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