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问题 among them poverty，用法疑问

The challenges in the region remain very real, among them poverty, war, and the breakdown of political institutions.句子里 them正确吗

问题 并列句时态一致

With the concerted efforts from both sides, BRI cooperation has steadily progressed and the vision of the trans-Himalayan Multi-Dimensional Connectivity Network substantiated.老师您好这里的substantiated前少了一个has吧，并列句前后时态应该一致。

问题 破折号之后的是前面那句话的同位语

“One of the slogans of the first Earth Day was what the pioneering environmentalist Barry Commoner called “The first law of Ecology”—that “Everything Is Connected With Everything Else”.”老师请问破折号之后的是前面那句话的同位语么，我想请问像这种句子用破...

问题 since分句的复杂句中的时和体

...没用现在完成时，两者之间有什么区别吗？This year marks the 15th anniversary since the Convention on Cluster Munitions was adopted in Dublin, Ireland. The international treaty prohibits the use, production, acquisition, transfer, and stockpiling of cluster munitions and requires des...

问题 非谓语动词相关问题

The idea of Trump and U.S. government purchasing Greenland is ridiculous.这句话中of和purchasing之间为什么可以添加名词短语The Trump and U.S. government呢？我们常用的表达不是直接为The idea of doing sth吗？麻烦详细解释一下! 谢谢!

问题 being可否省略

The rate of heat production depends also in the power being used in the heating element, this power being measured in watts.第一个being是做定语，第二个being是独立分词结构。这两个being都可以省略吗？省略后意思是不是也会随之变化，没有了同时的意思。

问题 一般过去时还是现在完成时(But you promised与But you have promised)

一般过去时还是现在完成时?—I'm afraid I can't go with you.—But you ______!A. promised   B. have promised

问题 介词和冠词问题求解

题：on the squarein China疑问：①为什么'on the square'用介词on，不能用in吗?又为什么要加定冠词？②in China为什么用in ,不能用on吗？，这里不能加定冠词吗？如：In the China?疑问有①②两条，请解答，谢谢！

问题 who在定语从句与主语从句中的区别

Whoever broke the window should be punished. 这是个主语从句。若改为Who broke the window should be punished. 感觉就不对了。必须加个that变为定语从句Who that broke the window should be punished. 感觉才对。请问，who作连接代词引导名词性从句时是不是...

问题 《牛津高阶英汉双解词典》第四版对century解释的失误

...阶英汉双解词典》第四版对 century 解释是这样的：any of the periods of 100 years before or after the death of Jesus Christ 世纪（指耶稣基督去世以前或以后每100年的期间）但其他词典的解释却是指稣基督“出生”前后的100年。如：朗文：on...

问题 句子一个词的词性及所做成分的问题

...one on shales are currently performed with a crushed rock sample following the procedure established in the GRI (Gas Research Institute) study on shales .句子中Most core measurement analyses done on shales are currently performed with a crushed rock sample是主句，following the procedure是方...

问题 翻译：​天正在下着雨，猫和狗在外面（对猫和狗特指）。

...对猫和狗特指）。下面1,2对吗？1.When（While) it is raining, the cats and the dogs are outside. 2. When（While) it is raining, the cats and dogs are outside.上面1,2句对吗？第2句狗的前面去掉了the,句1,2意思一样吗? 1,2句符合英语的冠词使用...

问题 请教一句话的理解

We find evidence of such extended events in the fossil record, which affords glimpse into the breakup of formerly continuous environments. “which affords glimpse into the breakup of formerly continuous environments”是什么意思？

问题 关于限制性定语的问题

water in the cup 这个呢？表示的是？可能是杯子里的所有水，也可能是杯子里的一部分水？the water in the cup 这个表示的是杯子里的所有水对吗？

问题 介词在句中的省略

Few scientists of this or any millennium can rival in significance the discovery of the structure of DNA.这句话中的the discovery of DNA前为什么没有介词？