材料:贾思勰在《齐民要术》一书中写道:“今采摭经传,爰其歌谣,询之老成,验之行事,起自农耕,终于醯醢

材料:贾思勰在《齐民要术》一书中写道:“今采摭经传,爰其歌谣,询之老成,验之行事,起自农耕,终于醯醢(醋酱),资生之业靡不毕书,号曰《齐民要术》,凡九十二篇。舍

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British people don.t have to pay when they see the

British people don.t have to pay when they see their doctor.

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1769年,_________吸取前人成果,成功研制了______________

1769年,_________吸取前人成果,成功研制了______________

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- ________________

- ________________- My mother is retired. My father is a manager. 选择一项:A. Do you

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