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读后縷写【参考范文[文]】We made up our minds to save the nurse with him together.[章]We were faced with falling rubble from time to time. The trappednu[来]rse was still alive. We focused our efforts on removing thebricks[自] and the rubble that trapped her body. Once she was freethe doctor guided us through the remains safely. He kept a perfectly[知] caim tone throughou[嘛]t, which smoothed me much. My hearleape[答]d with joy as we successfu[案]lly walked out of the building.[网] Althe survivors[文]' gratitude[章] was profound and boundless[来].Later in the afternoon[自] I had time to Look around, and satthe destroyee[知]d building.[嘛] My beautifui[答] workplace[案] now lay beyonreco[网]gnition. The only thing that remained was broken wallsmids[文]t the dim dust. I felt a weignt on my chest as the sednswell[章]ed inside. The doctor stood beside me and said with a fsmile,"We should be happy for those who survived the eartquake[来]."I smiled back as the wind danced around us, and Ilucky to be alive.
3.C【解析】电场线的疏密表示电场强度的大小，所以F>F。:沿着电场线的方向电势降低，电子带负电，所以E
