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问题 compared to 做什么成分

Specific gravity is the ratio of density of a substance compared to the density of fresh water at 4°C (39°F)之中，compared to 做什么成分？

问题 定语还是状语

Only gradually was the by-product of the institution noted, and only more gradually still was this effect considered as a directive factor in the conduct of the institution.in the conduct of the institution 这里是 a directive factor的定语还是considered 的状语，为什么？

问题 定语从句修饰主语后，一定要加逗号吗？

...。 A man who is unable to write a letter is incapable to hold an office of such importance.答案是A man who is unable to write a letter, is incapable of holding an office of such importance.除了将be incapable to do 改成了be incapable of doing以外，还加了一个逗号。不知...

问题 定语从句介词+which时的语序问题

看到一种说法，就是The river of which the banks are covered with trees flows to the sea 和 The river the banks of which are covered with trees flows to the sea 这两种语序都是正确的，不太能理解，请问下面这句：A frequent result of injuries sustained in falls is long-te...

问题 英语难句分析（涉及balloon-borne,ground-based等）

Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments are closing in on such structures, and may report their findings soon.句子中 balloon-borne  ground-based 是什么意思？如何理解?

问题 地点副词/时间副词+介词短语短语之间的关系问题

...个问题：1.地点副词如: eat out in the restaurant, he went outside on the street等,副词和介词短语之间的关系是什么？是介词短语修饰介词,还是他们互相没有修饰关系，从不同角度修饰谓语动词。  2. 地点副词如 he went somewhere in the lo...

问题 这句话怎么翻译呢

Opera artists began using layers of masks made of oiled paper. They could peel one after another in the blink of an eye.这里的one after another是指layer还是mask呢？

问题 关于percent的改错题

请问各位老师，划线的句子除了要把merely改成mere之外，是不是还要删去a或者of，如果删去a，percent用作名词，如果删去of，percent用作形容词？在“基数词+percent of+名词”这个结构之前还可以加不定冠词吗？

问题 by name 的意思

The director-general of the ministry of education says he knows more than 80% of head teachers by name. 请问这里的by name是什么意思？作head teachers的定语吗？还是know的状语？

问题 介词短语的问题

This week,however,crisper has caused more unease than optimism,because of claims by a Chinese scientist that he edited the genomes of twin girls when they were embryos,as part of ivf treatment.这里as介词短语是什么用法？非限制性后置定语？

问题 语法分析及句子结构分析

This and other promising findings about the life-changing effects of crises are the province of the new science of post-traumatic growth. 老师好，请教这句话的语法及句子结构分析。

问题 介词短语做宾语的问题

At the national level, the scores of 13 of the 17 SDGs improved over time, but the scores of four SDGs declined. 这里over time做了improved的宾语是怎么回事？介词短语可以做宾语的吗

问题 表示整个类属可定冠词也可用复数吗

...词的。比如：老虎有灭绝的危险。正：The tiger is in danger of becoming extinct. 误：Tigers is in danger of becoming extinct.误：A tiger is in danger of becoming extinct. 但是下面这句怎么解释呢？Internation measures have been taken to prevent the extermination of whales...

问题 allow、forbid to do/doing的用法

...面有一句德国士兵对犹太人说的话：You are forbidden walking on the sidewalk.（你不准走人行道。）上网查了资料，说的是：forbid、permit、allow 三个动词的用法相同forbid sb to do sth (sb 作宾语，to do 宾补)forbid doing sth (doing 作宾语)但是又看...

问题 struggle to do是“努力”还是“难以”

...Anyway, this class that I truly enjoyed still had me struggling to do well on my tests. My teacher willingly helped me and was always willing to answer my questions, and I greatly appreciated it. 请问老师，这句话中struggle to do well是理解成“努力取得了好成绩”还是“难以...