暑假抢先知(7)——2020-2021学年上学期八年级生物人教版
※题型:单选题※知识点:单选题※试题难度:中等<br>下列动物中,善于在空中飞行的哺乳动物是( )<br>A.猩猩 B.猴子 C.蝙蝠 D.狒狒<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/9400e6d97a3d4672a9982f05ccf4d6e1/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/4cd618e7600448fca0120151d0ef8500/C109CCB3110836E83E2980238926C297.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下列不具有膈的动物是( )<br>A.鱼 B.羊 C.牛 D.猪<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/894455f25b5b48e18e33fb6c0f51ee2e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/4029d553a8324dea9242ace586551b5d/A198F8F77CCF8190A50D43F2CF31E02F.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>观察“家兔的内部结构”时,用解剖剪剪开家兔的腹腔后,看到的最显著的结构是( )<br>A.心脏 B.肾脏 C.盲肠 D.肺<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/581562c8985b4130a8f6e4add90d72df/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/042cef7fdc634aa2b0d2f293ceab25c6/5183B00A8A1BCDC4CC167101F3A600AD.png"><br><br>
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