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一、考查常见生活用品的化学成分例1(全国理综课标卷Ⅰ)下列生活用品中主要由合成纤维制造的是().A.尼龙绳B.宣纸C.羊绒衫D.棉衬衣解析尼龙绳的主要成分是聚酯类合成纤维;宣纸的主要成分是纤维素;羊绒衫的主要成分是蛋白质;棉衬衫的主要成分是纤维素.故答案为A.点评此题属化学与生活试题,考查了生活用品的化学成分,掌握这四种生活用品的化学成分可迅速求解.二、考查有关糖类、维生素与蛋白质的知识
First, to examine the chemical composition of common daily necessities Example 1 (National Science Class Standard Volume Ⅰ) The following daily necessities mainly made of synthetic fibers is (A.) Nylon rope B. Xuan paper C. Cashmere sweater D. Cotton Shirt Analysis The main component of nylon rope is polyester synthetic fiber; rice paper is the main component of cellulose; cashmere sweater is the main component of protein; cotton shirt is the main component of cellulose. So the answer is A. Comments on this issue is chemistry and life test , Examining the chemical composition of daily necessities, to grasp the chemical composition of these four daily necessities can be quickly solved. Second, examine the knowledge of carbohydrates, vitamins and proteins