英语翻译
题目
英语翻译
Soon it would be the holidays,but before that ,there were year exams.All the students had been working hand for some time,reviewing their lessons for the exams.If they didn’t pass,they would have to retake them in September.There were usually a few who failed,but Jane didn’t want to be one of them.She had worked hard all year,but just before the exams she was working so hard that her sister Barbara was worried about her.She went to bed too late.The night before the first exam,Barbara insisted that she have an early night and take a sleeping pill(药丸).She promised to wake her up in the moming.
As she was falling asleep,Jane was afraid that she might oversleep.Her mind kept jumping from subject to subject.At last,with the help of the medicine,she went to sleep.In no time at all.She was sitting in the examination hall,looking at the examination paper,but she couldn’ t answer any of the questions.Everyone around her was writing pages and pages.Though she thought hard,she couldn
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举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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