It is reported that the terrible weather will?till the end of this week 问号处填的是last discover
题目
It is reported that the terrible weather will?till the end of this week 问号处填的是last discover
apper 还是change?赶紧!
答案
填appear(持续)
因为后面是until
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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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