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问题 reciprocal, empirical, emphatic, theoretical辨析

Until people could conduct experiments from outer space, there was no ______proof of Einstein's Theory of Relativity, E=MC2.A. reciprocal      B. empirical      C. emphatic          D. theoretical选择哪个正确选项呢？怎么理解句...

问题 Not since...rather than...分析

请问这里的 not since 怎么理解，has 前面的主语是哪个？整句怎么理解呢？Not since harry truman seized america's steel mills in 1952 rather than allow a strike to imperil the conduct of the korean war has washington toyed with nationalization,or its functional equivalent,o...

问题 Never did they...与 Never would they...

There was a man who had four sons. Never did they stop quarrelling with one another. 我觉得 would 也是可以的，表示过去常常，不知道对不对。    

问题 伴随状语还是定语的判断

orthogneiss followed a metamorphic P-T path incomparable to that of the hosted eclogite with peak pressure at ~2.6 GPa close to the quartz coesite phase boundary(翻译：正片麻岩沿变质P-T路径，其峰值压力约为2.6 GPa，接近石英柯石英相边界，是寄主榴辉岩所无法比...

问题 关于ing分词后带by的疑问

‘Crossroads of Europe’ is a catchphrase designation for the Balkans,conveying little more than unfamiliarity with the region by those who useit. 为什么本句中ing分词conveying后跟了by？不应该是be used to convey....by吗？这里的ing分词应该如何分析？希望老师解...

问题 冠词的用法规则太琐碎有没有比较简单的规律

个人感觉，冠词的用法太琐碎，不方便使用，而且有些用法的使用场合有重叠的部分（虽然有差别，但是很细微,比如a panda和the panda都可表示类指）。各位老师，有没有比较好的研究心得？非常期盼你们的指点。

问题 having been done还是done

From the dates ____ on the plates, we decided that they were made in Song Dya、having been markedb、marked本题我选的是A，语法题做多了，考虑到mark先于decide，这样理解可以吗？B是普通陈述一般态？看张满胜书中说”having been done“不作定语，只做状...

问题 句子成分分析

I have discovered, as perhaps Kelsey will after her much-publicized resignation from the editor-Ship of after a build-up of stress, that abandoning the doctrine of “ juggling your life, ” and making the alternative move into “downshifting” brings with it far greater rewards than fi...

问题 consumption habit是“消费习惯”吗

According to a recent study in the Journal of Consumer Research, both the size and consumption habits of our eating companions can influence our food intake.网上给出的翻译是：根据《消费者研究杂志》最近的一项研究，共餐者的体型和消费习惯都会影响我们的食...

问题 形容词顺序问题

...在特征的形容词先于表示情感和性格特征的形容词。如:a small lovely girla pale anxious patient这里都是将客观描述性形容词置于主观描述性形容词之前，请问这样是对的吗？

问题 一般现在时的理解问题

根据剑桥grammar in use, 一般现在时表经常反复发生的事或者现在的情况或状态。 既然可以表示现在的情况，为什么正在下雨只能用 it is raining 呢不能用it rains呢？为什么 i appreciate your help 就可以用一般现在时表现在的情况下的感...

问题 followed by 前面为什么没有be

一篇关于泰坦尼克沉船文章中一句话：The bow sank first followed by the stern a couple minutes.这句话里单词followed后面有单词by，还有语意也表示船头下沉的状况是被船尾下沉尾随，那是不是followed的前面应有be表达被动语态才对？

问题 口语说的Good idea前面加不定冠词吗？

口语中常说 Good idea，意思是“好主意”，但 idea 是可数名词，它前面为什么不加不定冠词？可以说成 A good idea 吗？

问题 反射不定式可用作哪些句子成分

老师说下面句子中的不定式叫反射不定式： I have a lot of homework to do. 句中的 to do 为反射不定式，它在句中用作定语。老师说，反射不定式主要用作定语，请问除了这个“主要”用法外，反射不定式还有哪些“非主...

问题 sell sth 后接介词at与for的区别

He sold his piano at 260 dollars.He sold the house for a lot of money.请问 sell sth 后接介词at与for的区别是什么。