用户 大力A

问题 改错题中的the chance of a lifetime不理解

下面一句是2010年全国I卷高考英语的短文改错题：It was the chance of a lifetime to win the first ...答案是划掉 lifetime 前的 a。但这在牛津字典上不是一个固定用法吗，a 是固定的，应该不能删除或改为 the 吧！

问题 Being a political science major, ..... (以Being开头的句子是什么用法)

Being a political science major, he started his career in a government office as a junior clerk.请问老师们，这里Being是什么用法？

问题 one和a（an）的用法区别

老师好，请问一下：While there are many positive developments associated with the Internet, there are also certain fears and concerns. One concern relates to...此处的one不能用a的原因是什么？是one区别于a的什么用法？

问题 take a detached attitude理解

take a detached attitude是什么意思？不明白

用户 阿拉丁A

用户 学英语A

问题 现在分词作状语和定语

1. Taking a book off the shelf he soon found himself absorbed, not by the words of the book, but by the notes penciled in the margin.此句现在分词作状语表示伴随还是原因？2. Each letter was a seed falling on a fertile heart. (每一封信都如一颗种子撒入肥沃的心灵之土...

问题 As a child和主句主语协调一致吗

老师们好：2015浙江高考英语有这样一个句子：Albert Einsteinwas born in 1879．As a child，few people guessed that he was going to be a famous scientist whose theories would change the world． 我的疑问是：根据语境（As）a child指的是后面的he,可主句的主语...

问题 a cornerstone of today是不是少个词

在浏览美国National Geographic 网站文章时，看到这样一句：His creation of the state-run secondary schools remains a cornerstone of today. 我感觉 a cornerstone of today 的用法不太规范，从逻辑上考虑应该说a cornerstone of education today 或 ...of today's education s...

问题 a couple of 翻译问题

a couple of 有时翻译成“一双”“一对”，有时翻译成“几个”，这是如何区分的呢？有什么规律吗？

问题 make a fortune

make a fortune表示发财，那make one's fortune这个表达对不对呢？我查了牛津和朗文的例句都没有make one's fortune

问题 a ￡ 1,000 million worth of的意思

Every year we're selling more than a ￡ 1,000 million worth of cars abroad.不定冠词a表示什么意思，一次、一笔吗？我们销售多于1000英镑价值的汽车到国外。

问题 a historian of science是什么意思

For the past five years, Paula Smith, a historian of science, has devoted herself to re-creating long-forgotten techniques. 请问本句中的a historian of science是什么意思？

问题 from a year earlier用法

Honda reported its profits slipped nearly 20% in the first half of the April-March fiscal year from a year earlier, as sales suffered in China. 这句话的from a year earlier是不是同比意思？是固定用法吗？为什么可以这么翻译？