初二English 同义句转换
题目
初二English 同义句转换
1 You should do exercise during the whole of a period of time
2 The boy managed to climb the tree
答案
1.You should do exercise during the whole of a period of time.
=You are supposed to take exercise all the time.
=You should do exercise from beginning to end.
2.The boy managed to climb the tree.
=The boy succeeded in climbing the tree.
=The boy was successful at/in climbing the tree.
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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