三道英语填空题和改写句子
题目
三道英语填空题和改写句子
1.If you have any questions,you may _______(rise) your hand now.
2.Miss Guo,Mary,John,and the other children _________ the Lupu Bridge now.(visit)
3.The computer isn't cheap enough for me to buy.(保持原句意思)
The computer ________ _________ _________ _________ _________ ________ buy.
答案
1.raise
2.are visiting
3.is too expensive for me 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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