图一为�吸系统组成示意图图二为模拟隔肌的运动示意图据图回答1图一中能防止食物误入气管的结构是 .2图二中图 表示 Template




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tomski图一为�吸系统组成示意图图二为模拟隔肌的运动示意图据图回答1图一中能防止食物误入气管的结构是 .2图二中图 表示 coloring