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问题 witness sb do sth的用法对吗

...an important lesson witnessing their mother earn her degree. Jennifer is a first-generation graduate and an inspiration to her family—and that’s pretty powerful.这是2020年新全国卷1的一小段。请问句中的 witness sb do sth的用法对吗？我在书上没有查到这类用法。

问题 句子结构分析和翻译: there are only specific essential pieces to the wardrobe that are necessary

Purchasing school uniforms is easy and needs less hesitation and consideration. No matter what the school's policy is, there are only specific essential  pieces to the wardrobe that are necessary, so it won't break the bank. A few wardrobe items can last a long time. Parents could also enjoy an eas...

问题 长难句分析

Their analysis is based on what research indicates to be the major cultural forces affecting changes in literacy education, not on ability research that demonstrates hte effects of information and communication technologies (ICT) on student learining, as some researchers and policymakers have called...

问题 In France, on the other hand, the head of the state is a president.这句话里为什么不去掉a（president在这里作表语且独一无二，不是应该省冠词吗？）

这是外研版高中英语教材中课文的原话。

问题 the edge of our galaxy—arching overhead的理解与翻译

...画线部分，求教专家连贯翻译一下：Living in a glare of our own making, we have cut ourselves off from our evolutionary and cultural heritage—the light of the stars and the rhythms of day and night. In a very real sense, light pollution causes us to lose sight of our true place in the...

问题 介词短语

The rest of our days on campus passed peacefully. 句中on campus修饰passed还是days？

问题 for many, many years这样的用法要怎么理解

“Some of us have known for many，many years that the freedoms under the First Amendment are not totally unlimited，”says Luce.“我们中的一些人多年以来就知道，《第一修正案》所提到的自由并非是毫无限制的，”鲁斯说到。请问many为什么要重复呢？

问题 sth is difficult to do中的不定式充当什么成分

At first my new surroundings were difficult to tolerate. 不定式在这里充当状语么？那是什么状语呢？

问题 is believed to have been 分析

The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.A. has been believed to have beenB. was believed to beC. is believed to have beenD. is believed to be请问这题的答案为什么选C，可以给我讲解一下这题的语法点吗...

问题 句中exams前去掉定冠词才对

He always gets the first place in the exams.出题人估计是想让学生通过always引导学生填exams,参考答案就是exams。但是我觉得用单数the exam单数更合适，表示类别，或者表示特定那一次考试。也可以去掉定冠词the，用exams复数表示类别。但是...

问题 what do you know表示知道多少(那为什么不直接用how much)

A：Mike, what do you know about writing a business plan?B：Plenty. What type of plan are you writing?A：Well, I have this great new idea that I think it will make a motza. B：Want to let me in on the secret?A：Not yet, my friend, but I would like your help in writing the business plan.

问题 be about much more than的理解

句子：Now, if we are going to understand the philosophy, we have to first understand that music for the Greeks was about much more than entertainment.请问老师：这里about怎么理解，much是修饰more的吗？than的词性是什么呢？我知道more than是固定搭配，much more也有...

问题 非谓语 to do/doing

...ve foods and feed his army, so the emperor ordered the construction of the first section of the Grand Canal________(connect) those existing canals, lakes and rivers.请问老师们这个空为什么是connecting不是to connect，不可以理解为修建运河为了连接吗，如果填connecting又...

问题 副词修饰vt，放vt前或者宾语后，修饰vi，放在vi后，为什么此处exactly放在动词短语与宾语之

It may turn out that with the hindsight of 350 years, he was actually focusing on exactly the best place after all.

问题 有定语的名词 前面的冠词如何选择

老师好，       我在查阅on这个单词时，看到两个词典例句：       You'll be required to pay on delivery of the package.       Acting on information given to them anonymously, the police arrsted him.       我觉得第一句中的delivery和第二句中的informatio...