Is that your family photo?改为同义句 This is her uncie.改为复数句 Alice is (his sister.)对括号提问
题目
Is that your family photo?改为同义句 This is her uncie.改为复数句 Alice is (his sister.)对括号提问
Those are my sisters.改为一般疑问句,并做出肯定回答
Jack is his brother.改为一般疑问句,并写出否定回答
答案
Those are my sisters.改为一般疑问句,并做出肯定回答
Are those your sisters?Yes,they are.
Jack is his brother.改为一般疑问句,并写出否定回答
Is Jack his brother?No,he isn't.
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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