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问题 since主句时态

今天看到一个句子：We don’t have all the facts yet, but we do know that opinions around the world dramatically changed since these images from New Terra became public.这个句子为什么主句用了一般过去时，按道理主句应该全都是现在完成时对吗？老师能否给总...

问题 describe可以后接哪些从句

下面这句摘自高中英语新教材人教版必修一 p2：Describe what the people in the pictures are doing.what引导的从句是作describe的宾语吗？请问describe可以后接哪些从句？

问题 成分分析及句意理解

My father's office was right across the square from where we were standing.1.如何正确理解across the square from的成分修饰关系？2.如何理解“我们”和“广场”的位置关系，是我们站在广场边缘附近还是广场范围之中？

问题 非谓语动词作主语和宾语时，其后的宾语还可以是非谓语动词吗

...可以那么下面句子中的working...time, 是定语还是状语呢？The explanation for insensitivity to smell seems to be that brain finds it inefficient to keep all smell receptors working all the time but can create new receptors if necessary.句中 to keep all... 是从句that的宾语，...

问题 关于动作先后的时态选择问题

...间点之前，所以动作A应用过去完成时。如：Before daybreak they had already wiped out all the enemy troops.在该例句中：过去时间由时间状语“before daybreak”表示出来，“wipe out all the enemy troops”这一动作发生在“daybreak”这一过去的时间点之...

问题 翻译三句关于大脑的描述

（1）1The ability to change the brain decreases over time（2）Normal Brain Plasticity Influenced by Experience（3）Physiological ‘Effort’ Required to Enhance Neural Connections请问这三段描述分别是什么意思？

问题 句子中，谓语系动词简写了么？

Everybody’s helping out with the dinner.Would you make the salad?第一句中的is应该表示“正在”吧？为什么可以缩写为’s呢？记得表示“是”的时候，才可以缩写啊。请教老师了，谢谢

问题 复杂的句子结构分析

In addition to the health safety benefits there is also a huge economic incentive, with estimates ranging up to an additional trillion-dollar increase to the economy per year.本句后半部分红色结构看不明白，是什么结构呢？意思是什么呢？请教老师了，谢谢，谢谢...

问题 长难句分析和翻译

But last year, the British competitor Chris Boardman set world records while winning titles in the Olympic cycling pursuit events on a custom-built, carbon-fibre bicycle with lower weight and wind resistance than standard models.

问题 due to做状语

due to是形容词短语， Their delay was due to the bad weather 但是如今也会看到当做状语用的 They delayed due to the bad weather。 还有单独用的， 这应作何解，它是不是一种非限定定语从句的省略，先行词是整个句子？

问题 with复合结构所做的成分

The overweight are sometimes pictured in the media with their faces covered. 请问这里的with their faces coverd是作主补还是pictured的伴随状语？

问题 where context matters的用法

But at the moment, even the most sophisticated AI software struggles in categories where context matters. 这里where引导的从句是定语从句修饰categories吗？where相当于in which？

问题 介词短语的理解与翻译

The fuel tank further defines a third vapor space at the vent valve. 燃料箱还在通气阀处限定第三蒸气空间。这样翻译对吗？还是：燃料箱还限定通气阀处的第三蒸汽空间。对句尾的介词短语甚是迷糊请老师明示。

问题 专有名词的后置定语

Cholera is coming back，warns the WHO，a powerful medical and environmental organization under the UN dedicated to maintaining world healthy. 请问，这里的UN与dedicated之间是不是应该加个逗号呢？ 我在语法书里看到专有名词后面是需要用逗号隔开的。

问题 语法分析

...”In addition, far more Japanese workers expressed dissatisfaction with their jobs thandid their counterparts in the 10 other countries surveyed.问：用“than their counterparts in the 10 other countries surveyed.”不行吗？为什么要用did ?而且还能放在比较状语从句主语t...