问题 the polar particles iron solar system的iron是什么意思

这个 iron 怎么讲？原句：Even a telescope in arbit round the earth,like the very successful Hubble telescope would not be suitable because of the dust particles iron solar system.难道 dust particles iron 是一个天文学的粒子词？iron 不是铁的意思吗!

话题 high in the Andes at Cusco

问题 in的省略

In the way ,表示“用这种方式”时，in不是不可以省略的吗？那这句In 1770 the room was completed the way she wanted .怎么却把in给省略掉了？

问题 best,done在句中是什么语法成分

句子：We believe that’s best done on the basis of sound facts and science, the foundation for the coverage you’ll find in this special issue.问题：老师，best和done在句中是什么词性？什么语法成分？是that's best/ done on the……，还是that's best done/ on the...

问题 such as...引导定语从句的成分分的

Such as remains after tax will be yours when I die.老师，请帮我分析一下句子成分？再说一下哪个是先行词？哪个是关系代词？

问题 than后接动词何种形式？

I think you could not do better than to tell your story as you told it to us.1) 上句than to tell 还是than tell，或是than telling 呢？这里than是连词还是介词？ than后接动词何种形式？2）上句真正的含义，或者说应该如何翻译呢？

问题 be动词时态问题

You probably have used caffeine since childhood. Caffeine was in your first Coke. 这里的was是否可以改为is？表示一种客观情况。

问题 一个句子里的时态问题-关于“客观事实”

《高考必刷题》里的一道改错题：In 1752,Benjamin Franklin tied a key to a kite and flew it in a storm with the aim of finding out that lightning was a form of electricity.这里的“闪电是电的一种形式”不是客观事实吗？为什么不把was改成is？

问题 approach做同位语

All the main languages have been studied prescriptively, especially in the18th century approach to the writing of grammars and dictionaries.这里的approach是什么意思，如果是方法的意思那就是可数名词，为什么不加定冠词，如果是靠近的意思，又做什么成分了...

问题 序数词前为什么不加定冠词the呢

...Minister Laurent Fabius in Beijing, pledging closer bilateral relations as the two countries celebrate 50th anniversary of diplomatic ties this year. 中国国家主席习近平在北京会见法国外交部长劳伦特·法比尤斯，在中法两国庆祝建交50周年之际，双方承诺推...

问题 Before从句中使用情态动词should表“推定”可能性吗？

By this time another customer was entering, and the landlord hinted to me to put the monster out of sight; then he bowed me all the way to the door, and I started straight for that house and those brothers, to correct the mistake which had been made before the police should hunt me up, and...

问题 that是定语从句的关系代词还是mean的表语从句的引导词

...d national frontiers and generations of people, and that it must allow for the inevitable changes that take place in the forests, in needs, and hence in policy.

问题 关于 including...短语的句子成分

...的短语不一定是定语。比如：He has a lot of books, but none of them are useful.这个句子中的 but none of them are useful 可以转化为定语从句 none of which are useful，但我们不能说 but none of them are useful 就是定语。——这是我的疑问之一。问...

问题 分析: He was buried in the cemetery and he died.

...法大全的p1268页有这样两个句子：He died and he was buried in the cemetery. He was buried in the cemetery and he died. 夸无认为，上面的两个例句显然有不同的含义。第一句的意思我明白，但第二句就不明白了。怎么会先“埋”后“死”呢？活埋...

问题 where的用法疑问

Why not try your luck downtown, Bob? That's where the best jobs are.请问这里为什么用where？