my uncle can do many things.he is a man of great a___
题目
my uncle can do many things.he is a man of great a___
we must learn how to keep our lives from ___(dangerous)
Many ____(visit)come to xi'an every year
that girl is ___to go out at night.so she often stays at home and watches TV
答案
1.ability(能力)
2.danger(危险,变形容词为名词)
3.visitors(游客)
4.seldom(很少,几乎不)
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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