这几句英语的语法对么?

这几句英语的语法对么?

题目
这几句英语的语法对么?
During Miss Lee studied in Bei Jing University,she has been the No.1 in her class all the time.She got a GPA of 4 and an average score of 90,both of them were the highest in her class.
答案
不对,第一,应该是she had been.第二,不能用them,这样就偷换主语了,之前的主语是she,后来就变成both of them 了,因此,应该改成both of which were the highest in her class.
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.