{"show":[{"id":1883,"catid":"5871,5619,76849,99510,5868,5618","title":"动物的分类","subtitle":"动物的分类","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/1.png","goals":null,"intro":"根据动物体内有无脊椎骨,我们可以将所有的动物分为脊椎动物和无脊椎动物两大类。\r\n","ratingnum":0,"rating":0,"hits":45,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"11522","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1478676423,"updatedtime":1496221417},{"id":1884,"catid":"5872,5619,76849,99510,5868,5618","title":"植物的分类","subtitle":"植物的分类","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/5.png","goals":null,"intro":"根据植物能否产生种子,我们可将所有的植物分为有种子植物和无种子植物两大类。\r\n","ratingnum":0,"rating":0,"hits":23,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"11522","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1478676436,"updatedtime":1496221396},{"id":420,"catid":"5620,77289","title":"观察细胞","subtitle":"观察细胞","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/4.png","goals":null,"intro":"观察细胞-临时装片的制作和观察实验,材料用具为洋葱鳞片叶、红墨水、清水、生理盐水、亚甲基蓝溶液、镊子、消毒牙签、纱布、吸管、吸水纸和显微镜。","ratingnum":0,"rating":0,"hits":310,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1476929487,"updatedtime":1496221368},{"id":421,"catid":"5620,77289","title":"细胞的发现和细胞学说","subtitle":"细胞的发现和细胞学说","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/5.png","goals":null,"intro":"1665年,英国科学家胡克发现了细胞。19世纪40年代,德国科学家施莱登和施旺提出了“细胞学说”。动物和植物都是由相同的基本单位——细胞构成的。\r\n\r\n","ratingnum":0,"rating":0,"hits":20,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1476929500,"updatedtime":1496221286},{"id":422,"catid":"5620,44420,77289","title":"细胞的结构","subtitle":"细胞的结构","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/4.png","goals":null,"intro":"动物细胞结构分为细胞质、细胞核和细胞膜; 植物细胞的结构分为细胞质、细胞核、细胞膜、细胞壁、液泡和叶绿体。","ratingnum":0,"rating":0,"hits":23,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1476929516,"updatedtime":1496221253},{"id":423,"catid":"5622,77290","title":"细胞的分裂、生长与分化","subtitle":"细胞的分裂、生长与分化","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/3.png","goals":null,"intro":"细胞分裂是指一个母细胞经过一系列复杂变化,分裂成两个子细胞的过程;细胞生长是细胞吸收营养物质,合成自身的组成物质,不断地长大的过程; 细胞分化是细胞分裂的过程中,有的子细胞则会发生变化,形成具有不同形态和功能细胞的过程。","ratingnum":0,"rating":0,"hits":19,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1476929531,"updatedtime":1496221204},{"id":424,"catid":"76849,77289","title":"多细胞生物","subtitle":"多细胞生物","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/5.png","goals":null,"intro":"很多细胞聚集在一起,有不同程度的分工合作,共同组成一个个体的生物叫做多细胞生物。","ratingnum":0,"rating":0,"hits":19,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1476929549,"updatedtime":1496221151},{"id":1885,"catid":"5620,77289","title":"感受观察工具的使用","subtitle":"感受观察工具的使用","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/3.png","goals":null,"intro":"眼睛是人的主要观察工具,但人的最高视力也只能看清楚五分之一毫米的微小物体。一千多年前,人们发明了放大镜,能看到更小物体。后来人们又发明了显微镜,使人类第一次发现了微生物和细胞生存的世界。 \r\n","ratingnum":0,"rating":0,"hits":20,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1478676453,"updatedtime":1496221121},{"id":1880,"catid":"77290,5622","title":"组织","subtitle":"组织","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/2.png","goals":null,"intro":"植物和动物的受精卵经过多次分裂和生长后,除少数细胞继续分裂外,其余大部分经过分化形成各种不同形态和不同功能的细胞群,这些细胞群就是组织。","ratingnum":0,"rating":0,"hits":25,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"11522","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1478676043,"updatedtime":1496221066},{"id":1881,"catid":"5622,77290","title":"结构与层次","subtitle":"结构与层次","status":4,"type":"normal","price":30,"serializemode":0,"lessonnum":0,"smallpicture":"/dist/images/defaultcover/scientific/6.png","goals":null,"intro":"植物体的结构层次是细胞,组织,器官,植物体。","ratingnum":0,"rating":0,"hits":22,"teachername":"石利","publisheruid":0,"uid":82,"xd":2,"deletedtime":null,"xk":5,"nj":null,"ver":"11518","locked":0,"grade":0,"stage":3,"comment":"","remark":"","recommend":0,"admin":518,"createdtime":1478676102,"updatedtime":1496221037}],"xdxk":{"2648":{"name":"小学数学","xd":1,"xk":3},"467":{"name":"初中数学","xd":2,"xk":3},"215":{"name":"初中英语","xd":2,"xk":4},"394":{"name":"初中科学","xd":2,"xk":5},"226":{"name":"初中物理","xd":2,"xk":6},"534":{"name":"初中化学","xd":2,"xk":7},"660":{"name":"初中历史与社会","xd":2,"xk":20}},"count":"91","catname":{"1883":"初中科学","1884":"初中科学","420":"初中科学","421":"初中科学","422":"初中科学","423":"初中科学","424":"初中科学","1885":"初中科学","1880":"初中科学","1881":"初中科学"},"ispay":{"1883":0,"1884":0,"420":0,"421":0,"422":0,"423":0,"424":0,"1885":0,"1880":0,"1881":0},"fmtime":{"1883":"2017-05-31 17:03","1884":"2017-05-31 17:03","420":"2017-05-31 17:02","421":"2017-05-31 17:01","422":"2017-05-31 17:00","423":"2017-05-31 17:00","424":"2017-05-31 16:59","1885":"2017-05-31 16:58","1880":"2017-05-31 16:57","1881":"2017-05-31 16:57"},"videonum":{"1883":1,"1884":1,"420":1,"421":1,"422":1,"423":1,"424":1,"1885":1,"1880":1,"1881":1},"pages":"
","page_items":"\n4/10"}