admins 发表于 2021-8-18 22:41:13

2020-2021学年生物人教版八年级下册随堂检测（4）鸟的生殖和发育

※题型：单选题※知识点：单选题※试题难度：中等<br>鸡卵中发育成雏鸡的结构是(&nbsp;)<br>A.胚盘&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.卵黄&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.卵白&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.气室<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e7e57ef35fe34092ba11b6d0e1aa7efc/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/5938522b0b5341d6ac417a7e84c99699/6944037FD68D9B4A768E0E1CE6C8DFFF.png"><br><br>
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