枯叶鱼能和食人鱼养一起吗
枯叶鱼,别名叶鱼,多棘叶形鲈。体长10厘米,体高,侧扁,酷似一张树叶。头吻部尖。口大,口裂下斜。下颌突出,上有一硬触须。眼上位及顶。体长10厘米,体高,侧扁,酷似一张树叶。头吻部...
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男孩掉入食问级画识突人鱼塘中秒变骸骨,食人鱼到底有多恐怖
食人鱼一般指食人鲳食人杂就直和鲳是公众对一类分布于南美洲亚马逊河鱼类的统称,也译做水虎鱼(Piranha)。并非指某一种特定的鱼,而是一个类群,360问答包括近56个种。属切限国...
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什么叫食人鱼?
外形360问答特征成熟的食人鱼雌雄外观相似,具鲜绿色的背部和鲜红色的腹部,体侧有斑纹。有高度发达的听觉。两颚短而有力,下颚突出,牙齿为三角形,尖锐,上下互相交错排列。咬住猎物后紧...
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语文识字教学如何设计有效训练的此题目
【教学过程】一、导入1、(出示获奖运动员手拿鲜花致意图)并放国歌。同学们,这幅图画了什么?2、是的,运动员在国际大赛上为国争光,那么你们了解哪些体育项目呢?今天,我们来学识字2(...
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<<宇来自宙生命之谜>>备课教案,急!!!
10*宇宙360问答生命之谜一、教材说无后特除威亚林处也明这篇课文介绍了科学家探索地球之外是否有生命存在的艰难历程,说明到目前为止,地球之外是否有生命存在,仍然是一个未解的谜。课...
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关于宇宙生命之谜的资料
篇课文介绍了科学家探索地球之外是否有生命存在的艰难历程,说明到目前为止,地球之外是否有生命存在,仍然是一个未解的谜。课文从古代神话官虽做土六念者鸡士讲起,引出了“地球之外的太空话...
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宇宙生命之谜
篇课文介绍了科学家探索地球之外是否有生命存在的艰难历程,说明到目前为止,地球之外是否有生命存在,仍然是头集位业除程前一个未解的谜。课文从古士热岁代神话讲起,引出了“地球之外的太空...
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宇宙生命之均妒百评工谜的资料
篇课文介绍了科学家探索期联地球之外是否有生命存在的艰难历程,说明到目前为止,地球之外是否有生命存在,仍然是一个未解的谜。课文从古代神话讲起马草刚哪,引出了“地球之外的太空中是否有...
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贝雷帽的来历
贝雷帽是法国的特产,它的历史可以追溯到1360问答5世纪。法国西南部经利几散信班危细练跳草等真牛斯地区(旧称加斯科尼省)有许多牧羊人,据说加斯科尼人喜欢吹牛说大话,生活不拘小节,...
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宇航员在太空中是怎样进行体育活来自动的?
太空体育活动与地面上的体育活动有许却剂盾多不同。首先,它有特别强的针对性。在地面上开展体跑育活动,其出发点自然是增强体质,但有时也是为了比赛或表演。当然,比赛和表演的目的也在于推...
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太空中怎么样做体育活动?
太空体就宜对观育活动与地面上的体育活动有许多不同。首先,它有特别强的针对性。在地面上开展体育活动,其出发点自然是增强体质,但有时也是为了比赛或表演。当然,比赛和表演的目的也在于推...
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急需学习田径来自普修课体会!~~~
一、前言:本大纲根据我系本科教学计划制订的。以培养合格的中等及中等以上学校体育师资为目标,通过系统传授“基本技术、基本技能和基本知识”,使学生具备田径运动教学、训练、健身、运动竞...
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美国在本届北京奥运会谁获得第28枚金牌
第1金8月9日20点30分玛丽埃尔·扎格尼斯[击剑]女子佩剑个人萨达·雅各布森8:1末目算晶掌慢5玛丽埃尔·扎格尼斯报道图片第2金8月10日10点08分菲尔普斯[游泳]男子400...
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