She is a __________to go out at night.Does the computer w___________ very well.
题目
She is a __________to go out at night.Does the computer w___________ very well.
Listen,the music __________(not sound)nice.He____________(not feel)happy.
What's the weather like today?(同义句）
答案
She is afraid to go out at night.Does the computer work very well?Listen,the music does not sound nice.He does not feel happy.How is the weather today?=What is the weather like today?
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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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