[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4Sw0V2Q_0u0g0anGbBTFA8TJpsCvzqnikP6JaunFvRw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":28,"type":29},[],"2023-05-07 19:29:44",6579507,[8,9,10,11],"聚氯乙烯塑料板","喷塑薄钢板","玻璃纤维复合材料","玻璃纤维",{"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","3953299","第四章单元测试","电视机机壳通常用( )制造",[20,30,38,41,50,59,69,75,84,89],{"answer":21,"createTime":5,"id":22,"options":23,"question":27,"source":28,"type":29},[],6579493,[24,25,26],"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?( )","v2",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":36,"source":28,"type":37},[],6579495,[34,35],"对","错","自然界的荷叶就是一种自洁材料.( )",3,{"answer":39,"createTime":5,"id":6,"options":40,"question":18,"source":28,"type":29},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":28,"type":29},[],6579557,[45,46,47,48],"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":51,"createTime":5,"id":52,"options":53,"question":58,"source":28,"type":29},[],6579582,[54,55,56,57],"涤纶","锦纶","氯纶","芳纶","下列哪一种材料耐磨性最好?( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":28,"type":68},[],6579587,[63,64,65,66],"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":70,"createTime":5,"id":71,"options":72,"question":74,"source":28,"type":29},[],6579608,[54,55,73,57],"维纶","防弹衣一般用哪一种材料好?( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":28,"type":68},[],6579615,[79,80,81,82],"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( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":88,"source":28,"type":37},[],6579622,[34,35],"第一个合成的高分子材料是酚醛树脂.( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":93,"source":28,"type":37},[],6579630,[34,35],"相变材料发生相变过程时将吸收或释放大量的潜热.( )"]