秦雪梅观诗文心花怒放词

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• 一件事有很多理由去做,有很多理由不去做?

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• 判断：a:b=7:5,a=七分之五b

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• a lot和a little'之间的区别

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• 【英语】LACK的用法问题He is good at his job but he seems to lack conf

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• A good plan today is better than a perfect plan tomorrow

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• The boss was late for the meeting because his alarm clock didn't ______． A.go off B.go out C.go on D.go away

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• According to an ___________ (古代的) Chinese legend, tea was invented by accident.

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• 计算（3+5）×6时去掉括号，计算结果不变。（ ）

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• . 如果你是店主，你应怎样招呼客人： A . Can I help you? B . Thank you.

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• 吸电子基团和供电子基团的吸（供）能力排序?

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