There are some pictures in our classroom.改为否定句
题目
There are some pictures in our classroom.改为否定句
用简单的英语解释下列句子:He owns a big house.对划线部分提问:Simon —is playing football —with some boys.
kitty practises dancing—every day—.连词组句:at,usually,do,Christmas,people,what,eat
答案
There are not some pictures in our classroom..
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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