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问题 动词不定式做定语

各位老师好，下面这个句子：In many ways, they are the luckiest group of young adults ever to have existed.  为什么要用to have existed，用having existed 不行么？谢谢老师。

问题 定语从句be动词

A word is one and more sounds that in combination with a specific meaning assigned by a language. 这是个正确的句子，但我觉得that后应有一个are，请问老师是以上原句正确还是我的观点正确呢？ 谢谢老师!

问题 句子翻译疑问

A second study,comparing 1,167 people with melanomas to 1,101 who didn't have the cancer ,found that using sunscreen routinely,alongside other protection such as hats,long sleeves or staying in the shade,did give some protection.这里的alongside该如何理解？怎么翻译是好？

问题 As从句的理解

James Brindly was a pioneer in the art of building canals or, as it was then called, 'navigation'. 请问老师，这里as引导的是时间状语从句吗？为什么这里有个or，or后面没有主句了呀。

问题 这个句子语法上有问题吗

Slightly changing in lifestyle can make a huge difference and reduce the impact of our daily activities to environment.

问题 set of circumstance 意思

A happy person is not a person in a certain set of circumstances,but rather a person with a certin set of attitudes. 

问题 句子成分

The Silk Road was named after ancient China’s silk trade which played an important role in the civilization development of China, South Asia, Europe and the Middle East. 请问老师这句的句子成分如何划分？ 为什么名词civilization后面紧跟了名词development？ 中间不需要...

问题 with flu中的with是什么用法

I was in bed with flu for ten days.

问题 such as的语法分析

Children do not use inflections such as are used in mature adult speech.请问句子中的such as属于什么用法，such as是习语吗？它们作什么成分？

问题 should的问题

Should you be caught in a lie, your punishment shall be grave indeed.请问这个句子should的倒装有问题吗，以前学虚拟条件句的should可以倒装，但这里主句用了shall，又似乎说明这是真实条件句，所以这到底是虚拟语气还是陈述语气？是否应该把s...

问题 which指代问题

Did we have the right dresses in which to appear before Lady Genmire? We felt very excited and unsure.谢谢各位老师对我们之前问题解答，像请教一下，上面的句子Which 是指代前面的名词dresses,还是单独作为一个名词，表示什么的意思来用！谢谢各位老...

问题 sit all alone分析

She was sitting all alone in the hall. 请问这句话为什么sit后面是接的是形容词all alone麻烦分析一下这句话的语法结构，谢谢！

文章 根据新旧课标的比较谈高考词汇复习的技巧

...s a perfect system of vocabulary combined with grammar（语言即为词汇和语法所构成的完美体系）”；英国语言学家A. D. Wilkins也说过：“Nothing can be conveyed with vocabulary; little can be conveyed without grammar（没有词汇，表达为零；没有语法，表达甚...

文章 《基于权威语料•现代英语用法大词典》书稿连载(04)-week(上)

... of English）。●本稿为作者提供的word原稿，未经正式排版和校对，特此说明。●欢迎各位专家老师提出宝贵意见。微目录：◎◎◎WEEK(上)◎◎◎1. week的意思和相关词(1) week的意思(2) week的相关词2. 如何表达“多少周的…”(1) 用wee...

文章 《基于权威语料•现代英语用法大词典》书稿连载(05)-week(下)

... of English）。●本稿为作者提供的word原稿，未经正式排版和校对，特此说明。●欢迎各位专家老师提出宝贵意见。微目录： ◎◎◎WEEK(上)◎◎◎ 1. week的意思和相关词 (1) week的意思 (2) week的相关词 2. 如何表达“多少周的…”...