Xiao Wang is always ready to help others. He is really _________living Lei Feng
题目
Xiao Wang is always ready to help others. He is really _________living Lei Feng
答案
Xiao Wang is always ready to help others. He is really _____a____living Lei Feng
这样就可以了,后面的living Lei Feng已经有活雷锋的意思,所以还缺的是冠词,假设用了like后还是缺冠词.
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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