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【单选题】
与《服鸟赋》同属一个作者的作品是（）A.
《论贵粟疏》
B.
《治安策》
C.
《答客难》
D.
《报书》
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】When the teacher came into the classroom, all of us __________ the classroom.
A.
are cleaning
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were cleaning
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In 1992.
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In 2004.
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A.
much bigger
B.
much smaller
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no bigger
D.
less small
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【单选题】听力原文：M: Good evening and welcome to our program. Our guest is Mrs. Green, who is an expert in the field of environ mental protection. Welcome to our program, Mrs. Green. W: Thank you. M: Well, we hear...
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Keys to paper recycling.
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Importance of recycling.
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Keys to recycling improvement.
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Technological progress in recycling.
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