[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1gNUeY3b5rG2chImfcCe0BTCp2p2U6MQac2j_1F3Zyg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":26,"type":27},[],"2023-05-07 19:28:36",3273858,[8,9,10,11],"涤纶","锦纶","氯纶","芳纶",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000006036","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc69e844759e61b6442f20e3dec3f44ea.jpg","材料与社会——探秘身边的材料","2037840","第四章单元测试","下列哪一种材料耐磨性最好?( )",[20,28,37,45,54,59,64,67,75,85],{"answer":21,"createTime":5,"id":22,"options":23,"question":25,"source":26,"type":27},[],3273717,[8,9,24,11],"维纶","防弹衣一般用哪一种材料好?( )","v2",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],3273740,[32,33,34,35],"热固性塑料,可制造化工用排污管道","热塑性塑料,可用作导线外皮绝缘材料","合成橡胶,可制造轮胎","热固性塑料,可制造雨衣、台布","聚氯乙烯(PVC)是一种( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":43,"source":26,"type":44},[],3273772,[41,42],"对","错","自然界的荷叶就是一种自洁材料.( )",3,{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":26,"type":27},[],3273779,[49,50,51,52],"聚氯乙烯塑料板","喷塑薄钢板","玻璃纤维复合材料","玻璃纤维","电视机机壳通常用( )制造",{"answer":55,"createTime":5,"id":56,"options":57,"question":58,"source":26,"type":44},[],3273819,[41,42],"相变材料发生相变过程时将吸收或释放大量的潜热.( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":63,"source":26,"type":44},[],3273828,[41,42],"第一个合成的高分子材料是酚醛树脂.( )",{"answer":65,"createTime":5,"id":6,"options":66,"question":18,"source":26,"type":27},[],[8,9,10,11],{"answer":68,"createTime":5,"id":69,"options":70,"question":74,"source":26,"type":27},[],3273892,[71,72,73],"蜘蛛丝中具有不规则的蛋白质分子链,这使蜘蛛丝具有弹性","蜘蛛丝中具有规则的蛋白质分子链,使蜘蛛丝具有弹性","蜘蛛丝中具有规则的蛋白质分子链,使蜘蛛丝具有强度","外观上又细又柔软的蜘蛛丝之所以具有极好的弹性和强度,以下哪一个原因是错误的?( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":26,"type":84},[],4674013,[79,80,81,82],"塑料王的化学名称是四氟乙烯","有很好的耐腐蚀性能,腐蚀性最强的"王水",对它也无能为力","由它制成的产品表面非常光滑","既耐热又耐冷,在250℃高温至零下195℃低温范围内都可使用","以下描述塑料王的特性哪些选项是正确的?( )",1,{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":26,"type":84},[],4674031,[89,90,91,92],"高分子材料是良好的绝缘体","热固性塑料比热塑性塑料的时热性要低","高分子材料的耐酸性良好","晶态高聚物比无定形高聚物的强度和硬度都要高","下列说法正确的是( )"]