1.they decide they would start at once 2.we saw that some people were planting trees改为单句
题目
1.they decide they would start at once 2.we saw that some people were planting trees改为单句
完成以下各句的同义句
1.it will take us at least two days to clean the whole school
we will ()at least two days ()the whole school
2.because od the heavy traffic ,they did not get to school on time
they did not ()at school on time bacause the traffic ()()
3.mother was too poor to afford Martin `s education
mother was ()poor that she ()()for Martin`s education
4Kate`sVCD player is broken.she`ll ask someone to repair it.
Kate`sVCD player is broken.she`ll()()()
5.take the escalator to the second floor
()to the second floor()escalator
6the earth is biggei than the moon
the moon is ()()()()the earth
7he has read the story.mary has read it,too.
he has read the story.()()()
8.jimmy and his father are both helpful
jimmy()()his father
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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