括号部分提问 She buys （a new )car every year,She bought a new car last5 year
题目
括号部分提问 She buys （a new )car every year,She bought a new car last5 year
答案
She buys (a new) car every year
她每年都买(一辆新) 车
要针对括号部分 (a new) 提问,所以答案应该是
Whay kind of car does she buy every year?
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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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