同义句:
题目
同义句:
1 Let's start our lessons now.
Let's _____ _____ ______ now.
2 How bad the weather is!
____ ____ ,_____ it is!
3 Mrs Jones said to Peter:"Dong't arrive late for class
Mrs Jones _____ Peter _____ _____ arrive late for class.
答案
1:begin our lessons
2:What bad weather
3:asked not to
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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