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问题 contribute to 的意思与用法

If the donor country cannot ensure this, then the aid should be reduced, if not stopped altogether.这句话的成分和翻译，用法。contribute to 什么时候是"导致"的意思，什么时候是“有助于，贡献”的意思？

问题 进行时态与现在分词表伴随的区别

下面两句：一句用的是进行时态，一句用的是现在分词表伴随：He was playing basketball in the playground.He was in the playground playing basketball.请问这两句有何区别？

问题 代词的指代问题

Startling would his results appear to the uninitiated that until they learned the processes by which he had arrived 【at them】 【they】 might well consider him as a necromancer.这句话里 at them 应该指的是 results，但是同时 they 又指的是人。请问同一句话中，这样用...

问题 Following 后接从句的问题

Most core measurement analyses done on shales are currently performed with a crushed rock sample following the procedure established in the GRI (Gas Research Institute) study on shales .这句话中following 后接了从句，但网上搜不到相关解释，请老师解答。

问题 难句翻译和时态分析

A taped message from his mother plays in the background. At first Jimy had played the records everyone played in those days.请老师翻译一下这个句子。另外，请分析一下：为什么先做的动作用一般过去时(played)，而后发生的动作却用过去完成时(had played)?

问题 长难句的断句和翻译

An external confirmation represents audit evidence obtained by the auditor as a direct written response to the auditor from a third party, in paper form, electronic form or by other medium.请问这句该如何断句和翻译，谢谢各位大神了！

问题 consider 还是 considering

The one recently spotted working through a bamboo forest in China's sichuan province is even more so,_______（consider） that it is the world's first known all-write panda.为什么填 consider 行，但是用非谓语 being considered 却不行呢，主要解释一下后者，谢谢！

问题 before与until的用法

Also, the father seahorse carries baby seahorses and he won't leave them _____ the are big enough to look after themselves.此题参考答案给出until，解析为not...until...句型。但是否能填before？二者表示“直到……才”时有何区别？

问题 向老师请教被动和主动语态的问题

It was difficult because of the hard resin________the skin. A.covered B.covering 这里为何不用covered，不是可以翻译成“因为树脂被覆盖在皮肤上”吗？ 被动语态。

问题 翻译问题

Certainly they were connected to their land, the way one is complicatedly connected to, or encumbered by, family one can't do anything about. 当然，冰岛人曾与他们的这片土地息息相连，拥有的是如同一个人和自己家庭之间的那种复杂关系——无法选择，有...

问题 主语从句that和how

It's unknown to us______the air crash occurred in the mountainous area yesterday.A. that    B. how答案选择A。 请问为什么不是B，我们不知道昨天在山区的空难是如何发生的？然后由how引导的从句做真正主语。

问题 请教句子成分

1)The room was empty aside from one man seated beside the fire.这个句子为什么用过去分词seated不用现在分词seating？过去分词表被动，难道这个人是“被坐”在那里吗？ 2)We only have enough water purification tablets to last a day, maybe two.请老师帮忙从传...

问题 句子时态问题

Those were the last words he ever spoke to us.It'll just be the last thing we ever do.第一个句子的定语从句可不可以改为现在完成时，此时是不是表达到现在为止对我们说的最后一句话？如果用过去完成时，是不是表达到谓语were的时间为止对我们...

问题 判别定语还是同位语

Just as on smoking,vioces now come from many quarters insisting that the science about global warming is incomplete. 1.请问这里的insisting that the science about global warming is incomplete是voice的定语还是同位语？ 2.在insisting前加一个逗号可以理解为现在分词作状...

问题 不定式和现在分词的区分

China is witnessing the internet swarming with Whanghong, the grass-root internet celebrities who win nationwide population by pulling stunts.swarming是否可以改为to swarm？如果不可以，什么时候witness后可以接：名词+不定式？