要求用英语回答
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最佳答案:小题1:developed(quickly)( 形式及时态错不给分)小题2:Because there’re more mouths to feed and l
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最佳答案:小题1:She was giving free advice.小题2:They expect her to listen and provide real an
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最佳答案:小题1:Collecting stamps with themes小题2:other methods of collecting stamps小题3:We sh
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最佳答案:从4个中选两个人为英语 则另两人为汉语 6X(1/3)^2X(2/3)^2=8/27X=0,1,2,3,4对应 Y=4,3,2,1,0故X=0,2,