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共回答了19个问题采纳率：78.9% 举报
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Once upon a time there was a poor old fisherman.ONCE UPON A
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Once upon a time, there was a littl
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英文改错题"once upon a time,there was a……
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阅读理解. Once upon a time,there was an
Once upon a time, there was a lovely garden. There was a tre
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Once upon a time,there was a pretty ,fresh
Once upon a time there was a little boy
once upon a time,there was a little ant
once upon a time ,there was a poor man
once upon a time there was two brothers全文翻译
once upon a time there was a man的同义句
阅读理解 Once upon a time there was a p
once upon a time,there was a naughty dragon.he
once upon a time,there was a gardener.his wife
Once upon a time there was a great Greek hero
Once upon a time, there was a beautiful bird, which was very
高一英语周报完形阅读once upon time,there was a poor man,.
阅读理解. Once upon a time there was a poor m
阅读理解及答案 once upon a time there was a prince
once upon a time,in a small city there was完形
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从上午10点到下午4点挂钟上长度为8厘米的分针尖端转过了多少米?
一个真分数与它的倒数和是5.2,这个真分数是多少?请列出算式
“第一次真好,第一次的感觉真奇妙”采用什么修辞手法?
如果a分之2=b分之a=3分之1,那么a=（）,ｂ=（）
当k为何值时,关于x的方程（x+1)分之2x-（x的平方+x）分之k=x分之（x+1)会产生增根
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如图是我国去年发射的“嫦娥一号”月球卫星发回的月面照片，下列与月球有关的说法，正确的是 [ ]
史载，汉武帝“元封五年，初置部刺史，掌奉诏条察州”，有学者认为此部刺史是由秦代的监（御史）嬗变而成。
求下列函数在指定范围内的最大值和最小值 z=xy,x^2+y^2≤4 z=xy,{(x,y)|x^2+y^2≤4}
设F(X)是可导的奇函数,证明它的导数是偶函数
小红给小军2支铅笔后他们的铅笔支数就同样多了，原来小红比小军多多少支铅笔？
