America will never again have as a nation the spirit of adventure as it __________ before the West was settled.A.couldB.wasC.wouldD.did为什么是选D, 这句话如何分析成分？ 看不懂句子的意思，was settled是被动吗？什么意思呢？句中前后2个as分别是什么意思呢？...
Direct measurements of energy balance components are rarely made under field conditions, which can be estimated using meteorological data particularly data atshort time intervals.请问老师，这里particularly data是什么用法啊，是不是在前面加个逗号更好？
It’s not obvious how the capacity to visualize objects and to figure out numerical patterns suits one to answer questions that have eluded some of the best poets and philosophers.这里的how是既当引导词也当限定词对嘛？
...imal sightings so we decided to survey garden owners from different areas of the city. Regarding wild animal sighting介词短语修饰experience。to relate是不定式做experience的定语吗？不太懂是什么意思
...几个句子:It's impolite to speak when
you're eating.It was considerate of you to
whisper it to me in public.It is quite necessary to
react quickly to any emergency.这几句话为什么用 to speak?to reactto whisper？为什么不用ing形式？因为doing不是可以指一个事情么？ 那 sp...
... 这个表达正确吗刘 永 科 It is strong
enough to knock spectators off their feet and cut power from more
than a hundred thousand homes.【问】cut power from more than a hundred
thousand homes，“切断千家万户的电力供应”，这个表达正确吗？见：https://www.cpsengli...
This is the story of Qiqiao Festival. When foreigners hear about the story, they call it a Chinese Valentine’s story. It’s a fine day today, so I hope you can call all meet the one you love.句子来自高中英语人教版必修三Unit 1。
The technology giant reported quarterly sales of $50.56bn (£34.39bn) down from $58bn last year - the first fall in sales for the company since 2003.请问：(1) 句中的意思是quarterly sales从58降到50.56吗？(2) 如何表示“降了多少”（即“降幅”）？
...ple would be wrong;it would also make Western claims to stand for the rule of law sound hollow. Calls from American politicians for tit-for-tat "reciprocity", over visas for academics and NGO workers,say,would be equally self-defeating.Yet ignoring manipulatation in the hope that China wil...
...er post saying: "He is a national disgrace who is destroying the city of London!"
这个非谓语动词saying，是不是也能够还原成，Mr. ....followed it up with another post and （he）said:......
His comments came after five attacks in London in less than 24 hours left thre...
...。2.People value every opportunity to get away from the hustle and bustle of the city.我认为这里的不定式充当后置定语对吗？疑惑的地方就是同样的结构，在不同的句子中，书上认为一个做了补语，一个做了定语。望老师指点。
... have found a youth that refuses to shy away from the very real challenges of Africa, that is honest about what needs to be done and what their role has to be to achieve this.1、这里的found a youth that ……怎么解释，应该是found that a youth ……？2、,that is honest...
The event, staged 100 years after the publicationof H. G. Wells' The Time Machine, referred to periods from the intervening century through surreal juxtapositions and magical fantasies. 请教老师：referred to periods from the intervening century的理解，读到这一句，怎么也...
It was said that summer clothing of the lastest [ ](sell) in these big stores the next year.参考答案：would be sold请问答案是would be sold而不是will be sold是因为主句的said吗？主语从句也和宾语从句一样，要遵循“主现从不限，主过从四过（真理自然...
...n into a
social movement. Business people, political leaders, university professors, and
especially millions of grass-roots Americans are taking part in the movement. 句子出自2014年高考英语全国卷Ⅱ的阅读理解B。请问这里的 grass-roots 明明是放在Americans前作定语，为...