关于下面这个英文句子我有二个疑问
题目
关于下面这个英文句子我有二个疑问
According to a survey,today eight in every ten Internet shoppers express that the goods they received are not as good as they appeared in the browser
1、“express”是否要加ed
2、整个句子语法通不通
答案
不用改,描述的是客观事实.如果改的话,就麻烦了.
According to a survey,today eight in every ten Internet shoppers expressed that the goods they received were not as good as they had appeared in the browser
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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