1.The old over 90 _____not only by their family but also by the government in many places.
题目
1.The old over 90 _____not only by their family but also by the government in many places.
A.is looked at
B.are taken good care of
C.are taken good care
D.is looking after
2.I see a stranger enter the hall.(改为被动语态)
A stranger ______ ______ ______ enter the hall
答案
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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