加急!!!求生物演讲主题
一、鱼类鱼类是最古老的脊椎动物,它们已经存在了4.7亿多年,同时它们也是脊椎动物中最庞大的一使载居视啊八鲜类,约有2.2万余种。鱼类有一些共同的特点,那就是绝大多数的鱼类都栖息在...
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谁给我介绍个动物?我生物要演讲用??
脊椎动物脊椎动物是动物界最高等的一个类群。虽然脊椎动物的数量远不及无脊椎动物数量多,大约只有4万余*,但它们却拥有更为广阔的生活空间,海洋、陆地以及天空都是它们的生存之地。一、鱼...
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加急!!!求生物演讲主题
一、鱼类鱼类是最古老的脊椎动物,它们已经存在了4.7亿多年,同时它们也是脊椎动物*最庞大的一类,约有2.2万余种。鱼类有一360问答些共同的特点,那就是绝大多数的鱼类都*息在水*...
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和**唱《客官不可以》和《坏女孩》的小凌照片加资料
艺名:小凌命室革宜均粒度作部宣右职业:在校学生、网络歌手除化响致宜百美但汉叶定,原创歌手昵称:小凌小凌头像生日:1993年10月29日所属团队:Οο我的调调οΟ音乐家族爱好:唱歌...
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以“家乡”为话绍术船些复题写一篇400字作文。
我的家乡第一篇:家乡可爱的小河我的家乡绿树成荫,环境幽雅,门前不远处还有条清澈的小河,我真喜欢那个地方。不久前,我们搬家了,我却有说不出的留恋。可爱的小河,不要说春天的河是流得多...
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谁帮忙给点非使扬底维置主流女生关于寂寞,爱情的个性签名。
莪们都没错,只是不合适。其实很难过,只是罘想说。个性名字那些旋律、牵动来自、我的每一个神经。很多人都买得到奢华,但很少有人能买得到优雅...6月20号之后、我准站普打危技笑十们就...
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《雨》作文
连续几来自天的阴雨,并没有让我感到丝毫的惊讶,因为南国的天气向来如此。在门窗紧闭的,我并不感到一丝的寒冷,反而增添了几分韵味,甚至可以画成一幅画:窗外,飘扬着白毛细雨,一个文弱的...
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初一作文 2013,我的最萌时刻
老翁老媪之乐,在于最“萌”时刻;吾之乐,在于最“萌”时刻。那是许久以前的秋天,葡萄藤在萧索秋风中凋零落败,唯独剩下来自少许须须藤藤空荡荡的慢畏缩着。鲜艳的被子在冰冷井水的荡涤之下...
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甲鱼和乌龟是同一类的吗?
不一样。主要区别有,科目分类不同、形态特征不同、生活习性不同,具体如下:一、科目分类不同1、甲鱼是鳖的俗称,也叫团鱼、水鱼。属龟鳖目、水鳖科、鳖属、龟种。2、乌龟别称金龟、草龟、...
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青蛙和蟾蜍有什么区别和相似之处
人们最常见的蛙是青蛙。青蛙是和人类关系最密切,体也是最容易观察到的蛙类。在我国,除新疆、西藏、云南等省不产青蛙外,其余各地均有分布。青蛙确切地说是360问答指蛙科中的黑斑蛙、金线...
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怎么玩大富山翁6
大富翁6有两种模式:即时制和回合制。先说比较传统的回合制----一人抛一下骰子:里面有两类武器,卡片和神仙,没有4中的车等道具。每个人限持5种卡,每种卡可以有5张,再多就装不下了...
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鼋和甲鱼有什么区别?
鼋俗名沙鳖、蓝团鱼,是鼋属动物下三个物种中的一种,也是鳖科动物中体型最大的一种,可长到6英尺长(约2米)。主要分布在中国长江流域及以南地区,曾经分布在印度、孟加拉国、缅甸、泰国、...
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鼋和甲来自鱼有什么区别?
鼋俗名沙鳖、蓝团鱼,是鼋属动物下三个物种中的一种,也是鳖科动物中体型最大的一种,可长到6英尺长(约2米)。主要分布在中国长江流域及以南地区,曾经分布在印使准年及度、孟加拉国、缅甸...
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