填短语或句子
题目
填短语或句子
It was late at night ,but Mr.Black couldn't ________because he heard a strange noise coming from his bar .The next morning ,he found that all the chairs in the bar were behing the door .It took him quite a long time to _______He saw five emply wine bottles lying on the floor with the lights on .He was sure that he had _______before he wen to bed
答案
It was late at night ,but Mr.Black couldn't _fall_asleep______because he heard a strange noise coming from his bar.
The next morning ,he found that all the chairs in the bar were behing the door .It took him quite a long time to __put them in order_____.
He saw five emply wine bottles lying on the floor with the lights on .He was sure that he had __drunk wine_____before he wen to bed
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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