after i told this bad news to my teacher ,he said ___ and went back to his office
题目
after i told this bad news to my teacher ,he said ___ and went back to his office
is the bus trip __? yes ,it's fantastic.
relaxing , nothing
答案
after i told this bad news to my teacher ,he said _nothing__ and went back to his office.
什么都没说
is the bus trip _relaxing_?yes ,it's fantastic.
旅途放松么?
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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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