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下列哪项不是与鸟类飞行相适应的特点是 A体被羽毛前肢成翼b有�达的胸肌c体内有气囊d体温恒定——青夏教育精英家教�—— Template






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sketch 5323 Cem Adrian by Glynis June Williams
sketch 3247 Thor by Juvenilia Alexandrino
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sketch 4665 Iron Maiden EDDIE by Jenna Khoùlix
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sketch 578 Butterflies
sketch 5340 Amazing Dragon
sketch 3039 Anonymous by Gootee Jaroonsit

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sketch 4405 Cat by Nizamuddin Shuja





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