1.Tom and jim both are good students
题目
1.Tom and jim both are good students
2.I heard some excited news this morning.3.he story is interesting and fun 4.Eating an apple a day is good at your health.以上4个哪里错了,并改正过来.
1.If the weather is fine ,we will go to the park tomorrow.2.you must follow the teachings of your teachers.
答案
1 both are 改为are both
2 excited 改为exciting
3 he 改为his
4 at 改为for
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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