皮皮学，免费搜题
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【多选题】
下列关于制备阿胶用驴皮叙述正确的是
A.
冬季宰杀剥取的驴皮质量最佳
B.
春秋季宰杀剥取的驴皮质量次之
C.
夏季宰杀剥取的驴皮质量最差
D.
来源不明的驴查清来源,再处理
E.
毛色棕色的驴皮质量最佳
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】完型填空 Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or 'texting' is becoming very p_____(1). But scientists have p_____(2) that texting can give us pr...
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【简答题】阅读理解。 Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or 'texting' is becoming very popular. But, scientists have discovered that texting can give us p...
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【简答题】阅读理解。 Thumbs Down to Texting  屈指发短信 Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or 'texting' is becoming very popular. But, scientists have discove...
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