初二同义句转换 1.It took her an hour to tidy up her room yesterday.=She ___ an hour ___ up her room yesterd
题目
初二同义句转换 1.It took her an hour to tidy up her room yesterday.=She ___ an hour ___ up her room yesterday.2.David likes playing volleyball in addention to writing.=David likes playing volleyball ___ ___ ___ writing.第二道是三个空
答案
1 spent ,tidying
2 as well as 除……之外,还……
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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