用something,someone,somebody,none,nothing填空 They tried to find some magazines on the shelves,but
题目
用something,someone,somebody,none,nothing填空 They tried to find some magazines on the shelves,but
用something,someone,somebody,none,nothing填空
They tried to find some magazines on the shelves,but they found ( ).
答案
nothing:他们一无所获的意思
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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