请找出下面英语句子中的错误并改正?1.there is chair in the rom
题目
请找出下面英语句子中的错误并改正?1.there is chair in the rom
there is chair in the rom.
there is two books on the desk
there is a caps behind the curtain
there are two mouse in front of the schoolbay
how man board are there?
答案
There is chair in the room.改:chair - a chair单数,可数.2、There is two books on the desk.改:is - are主语是复数.3、There is a caps behind the curtain.改:caps - cap这里帽子是单数,去掉s.4、There are t...
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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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