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问题 and not enough to 疑问

Only a  handful of databases record the abundance of insects over a long time—and not enough to judge long term population trends accurately.老师好，请问and 后只有一个副词enough吗？它的完整句子是什么样？

问题 continued, continual, continuous 有什么区别

...printed page outdated. From a 21st-century point of view, the printed book is certainly ancient, but it remains as interactive as any battery-powered e-reader. To serve its function, a book must be activated by a user: the cover opened, the pages parted, the contents reviewed, perhaps notes written ...

问题 so that表示目的还是结果的判断

... saying postdating a check,I mean you can write the check with a date that is later than the acutal date, so that it won't become effective until that time.想问一下老师：1 postdate查了下它本身有名词用法，为什么原句还需要动名词呢？2 “with a date that is late...

问题 这样让步状语从句有必要使用虚拟语气吗

...”，所以为何不直接用陈述语气描述呢：Although/Though he is often late, he is a good student.Although/Though he is the secretary, he must obey the rules.此处是引用这位老师的部分原文：http://www.yygrammar.com/Article/200808/438_3.html在though, although等引导的让...

问题 2018专四真题词汇与语法第一道题 The Bent Pyramid

...h-sided pyramid.A. has been believed to have been B. was believed to be C. is believed to have been D. is believed to be答案是C，因为建造金字塔，这个动作先于is believed发生。为什么C不行？把这件事当成一个事实？

问题 英语复杂句子的结构分析与翻译

Even if the first mission does end up in a fireball, though, the Falcon Heavy's extra capacity and the savings from recyclability mean that if and when it works reliably, the costs of getting big objects into space could fall by an order of magnitude from those of the Delta IV Heavy. Indeed, the...

问题 请问这里为什么用where

...nbsp;none existed before.这里为什么不用which do not exist before呢,system of writing不是地点啊

问题 否定词not与否定前缀连用也算双重否定吗

如果将否定词not与否定前缀连用，这也算是双重否定吗？比如：It’s not unreasonable to ask him to help you. 叫他帮助你也并无不妥。It is not uncommon for students to have bank loans. 学生有银行贷款如今已不足为奇。

问题 at the point of 理解问题

The contribution of the Prague school showed the signifying potential of all things on stage and emphasised that this is something that happens at the point of performance.想请教老师，这里的at the point of 应该理解为：“在表演时（during the performance）”还是“在表演中...

文章 2021-新高考英语-全国卷Ⅱ-材料来源-语法填空

...ed the ocean. In the ___56___ (seven) grade,I started volunteering at the Monterey Bay Aquarium in California. I was upset to learn that many sea animals eat plastic garbage, ___57___ (think) it is food.I decided to do something ___58___ (educate) people about this problem. I held presentations at s...

问题 There are still living...是什么句式

There are still living a few very old woman. 这句话为什么用there be doing，这是什么用法？

问题 There came...是倒装句和存在句

There came a scent of lime-blossom. 飘来一阵菩提树的花香。这是倒装句还是存在句？there没有实际意思？

问题 least regard 有错吗

Hero worship is strongest where there is least regard for human freedom.为什么least前没有the ? 形容词最高级作定语修饰名词regard, the 不可少，这里缺少the, 是什么原因呢？

问题 be upset …句子分析不清

...为什么是is能不能用was?为什么是用passing而不是passed?（his not passing）（the）作的是exam的定语吗？Tom is upset over/about his not passing the exam.汤姆为考试不及格的事而烦恼。

问题 这个非限制性定语从句理解不了

Moreover, with the stadium set up, a wide range of sports events are able to be held, of which ping-pong, football as well as running competitions enjoy great popularity.这个of which 怎么理解？