反义词或反义词组的替换训练题
题目
反义词或反义词组的替换训练题
I think he is wrong.
Put your maths books in when you are having your English lesson.
答案
1 I think he is right.2 Put your maths books out when you are not having your English lesson.
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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