[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9QDuLhba4by7GJb_aTDeZ7UjtxMWg4V56h_8Zlo1SoM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":32,"type":66},[],"2024-10-31 16:12:15",163925690,[8,9,10,11],"寒武纪","奥陶纪","泥盆纪","石炭纪",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"f54d1023ef90678584c3b32ee4bf6b26","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F55aef97d87f13cf7b4e06d84fab89e2c.png","地球历史及其生命的奥秘","97b4a6d0a08241228d5d10a1005f6c3c","5.2.1无颌类的良辰美景","无颌类主要繁盛在哪个时代?( )",[21,34,43,53,61,67,72,75,80,90],{"answer":22,"createTime":23,"id":24,"options":25,"question":31,"source":32,"type":33},[],"2024-10-31 16:12:14",163925678,[26,27,28,29,30],"两侧不对称动物","身体分为头、躯干、尾三部分","中枢神经位于身体腹侧","骨骼、牙齿等容易保存为化石","身体里有一条脊索","下列对脊椎动物的论述哪些是错误的?( )","v1",1,{"answer":35,"createTime":23,"id":36,"options":37,"question":42,"source":32,"type":33},[],163925680,[38,39,40,41],"骨骼","牙齿","鳞片","皮毛","脊椎动物中容易保存为化石的部分是( )",{"answer":44,"createTime":23,"id":45,"options":46,"question":52,"source":32,"type":33},[],163925682,[47,48,49,50,51],"无颌纲","盾皮鱼纲","两栖纲","棘鱼纲","软骨鱼纲","下列属于鱼形超纲的是( )",{"answer":54,"createTime":23,"id":55,"options":56,"question":60,"source":32,"type":33},[],163925684,[57,58,59,49],"爬行纲","鸟纲","哺乳纲","下列哪几项属于羊膜动物?( )",{"answer":62,"createTime":23,"id":63,"options":64,"question":65,"source":32,"type":66},[],163925686,[47,49,57,48],"下列哪一项是脊椎动物中最原始的一纲?( )",0,{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":32,"type":66},[],163925688,[57,49,47,50],"七鳃鳗属于哪一纲?( )",{"answer":73,"createTime":5,"id":6,"options":74,"question":19,"source":32,"type":66},[],[8,9,10,11],{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":32,"type":66},[],163925692,[49,57,58,47],"下列属于恒温动物的是( )",{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":32,"type":66},[],"2024-10-31 16:12:16",163925693,[85,86,87,88],"环节动物","脊椎动物","节肢动物","脊索动物","哪种动物体内有骨化了的脊椎?( )",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":32,"type":66},[],163925694,[94,95,96,97],"鳃呼吸","肺呼吸","腮肺交换呼吸","皮肤呼吸","水生脊椎动物如何呼吸?( )"]