There were five soldiers in the battle field .AT last _of them gave their lives for their country.
题目
There were five soldiers in the battle field .AT last _of them gave their lives for their country.
A five B the five C fifth D the fifth
选哪个 为什么?谢谢!
答案
A
有五位战士在沙场上,最后他们中五位把他们的生命献给了国家.
lives是复数,不可以是C,D.B不对.
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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