Paul has _____ friends here, so he often feels lonely.[ ]
A. few
B. a few
C. some
答案:A
看图回答问题。
①此画的作者是谁?
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②画面描绘了哪一城市的繁荣景象?
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③从画面的热闹景象,你能了解到宋代社会哪些信息?
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当k取何值时,方程2(2x-3)-1=1-2x和8-k=2(x+1)的解相同。