2022学习周报初二英语答案

第二节One possible version:When everything was done on the computer, I appreciatedmy work proudly. Then I watched both poems passing through theprinter, the white paper coloring with words that shaped mychildhood. These poems reminded me of my childhood that mydad spent with me. I felt that this was a gift that my dad wouldtruly appreciate, though it was cheap I was looking forward tothe dayMy dad s birthday soon arrived, and our family sat together tocelebrate it. I took out my gift and passed it to my dad. The minuteI saw the look on my dad's face as he opened those letters carefullyplaced in a cheap frame, I knew I had given the perfect gift. Mydad hugged me and said this was the best gift that he had receivedand thanked me for remembering the wonderful moments that weshared together, and we recited the poems together

15.2-1【解析】AA'⊥准线l于A',则AA=AF2四边形AAF2F1是正方形,故椭圆C的离心率eFF,1--1AF1|+1AF:|+1

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