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书面表达One possible versionDe[文]ar PeterI'm writing to invite you to see the Chinese Painting Exhibitio[章]n to be held in our city.The exhibitio[来]n will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings[自], some of which are original works by famous painters like ZhangDaqi[知]an and Qi Baishi, will be on display. Besides, there will be various souvenirs[嘛] to be sold. I know you re veryinter[答]ested in tradition[案]al Chinese culture, so I can t wait to tell you the news and hope we can go together.[网]Looking forward to your reply.You[文]
23.(14分,除[章]标注外,每空1分)[来](1)酶(2分)果[自]糖和葡萄糖(2分)[知](2)10砖红(3[嘛])淀粉蛋白质大(2[答]分)增强(2分)([案]4)核糖体细胞壁【[网]解析】(1)糖类包[文]括单糖、二糖和多糖[章],都是由CH、O三[来]种元素组成,酶是蛋[自]白质,含有的元素主[知]要是C、H、O、N[嘛],有的还含有S,故[答]图中五种有机物质最[案]可能含有S的是酶;[网]图中葡萄糖和果糖是[文]单糖,蔗糖是二糖,[章]淀粉是多糖。(2)[来]若在6-11月每个[自]月采集苹果制备组织[知]提取液,并用斐林试[嘛]剂检测,斐林试剂与[答]还原糖反应产生砖红[案]色沉淀。据图可知,[网]10月的苹果中还原[文]糖含量最多,所以该[章]月的苹果提取液砖红[来]色最深。(3)图中[自]随着酶的数量增多,[知]淀粉含量逐渐降低,[嘛]因此该酶最可能是淀[答]粉酶,在该酶作用下[案],苹果细胞液浓度逐[网]渐变大,抗冻性增强[文]。(4)苹果成熟过[章]程中,合成纤维素酶[来]的场所是核糖体该酶[自]作用下分解细胞壁使[知]其果肉日益松软
