题目内容：
处于冬眠的青蛙，主要靠什么呼吸?（ ）
A．鼻腔 B．肺
C．皮肤
D．口腔
参考答案：
答案解析：
单选题：处于冬眠的青蛙，主要靠什么呼吸?（ ）
- 题目分类：行政能力
- 题目类型：单选题
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B．肺
C．皮肤
D．口腔
B．肺
C．皮肤
D．口腔
Restaurants can serve irradiated food bought directly from d
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下面的短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2～5段每段选择1个最佳标题；(2)第27～30题要求从所给的6个选项中为每个句子确定
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