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问题 请问这里为啥用for,可以用in吗

The PL of a freshly prepared colloidal solution (which shows slight increase duringthe first 24 h) remains unchanged for 2 months in dark conditions

问题 using...句式可以用by或者with代替吗

Two fighters freed George using a special type of grease.像这样的句子,using..可以用 by 或者 with 来替换吗?

问题 考研英语小作文范文

...好！！在考研英语的一篇小作文范文中，有一句话是：What’s more, you had better have more communication with foreigners, which guarantees that you have a deep understanding of foreign culture.这句话中的have more communication with foreigners是否表述地道呢？如不...

问题 专八改错: and的问题

专八改错: and的问题The percentage of residents born in a state is positively correlated with smoking and obesity, as well as deaths from cardiovascular disease....这里deaths前面需要加with，请问and后面什么结构可以省略什么不可以呢？像with不可省，那to。do的to...

问题 不定式做目的状语还是条件状语

老师您好，我请教两个问题：1. I feel terrible, I must see the doctor now. 这两句为什么可以连着用？因为口语吗？2. To make an omelet，you need a few eggs. 不定式作目的状语还是条件状语？谢谢！

问题 关于without的非谓语结构

Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around you head.对于上面这个例句，请教各位老师：1. 这里的to help能否换成helping？为什么？2. to help circulate air作gravity的补足语，还是gravity的定语...

问题 standard既可数又不可数（怎么区分）

比如说生活标准是living standard还是living standards？初中英语教材中有一句话：did homework carefully to meet the standards of a strict teacher，达到严格老师的标准，为什么用复数？

问题 of which 省略

The profession offers a bundle of benefits, not least of which is extensive training. 老师好，这个是柯林斯词典中的一个例句。请问后面的这个' not least of which is extensive training'这个关系分句可以理解为省略了分句的主语吗？完整的结构应该是'not l...

问题 并列连词and两侧结构不对称

The idea was that there be a federal subsidy…um…uh…financial assistance to artists and artistic or cultural institutions.右侧多了一个artistic or cultural，这样可以的吗？这两个形容词加上读起来总是很拗口。平时多见的都是左右两侧结构一样。

问题 请问这两个句子的中文翻译是否正确

1. They fulfilled the task, and that in a few days.他们在几天内完成的就是那项任务。2. I gave her some presents, and those the day before yesterday.前天我送给她的就是那些礼物。

问题 一道时态的选择题

I decide to leave the company next month, where I _____ for exactly three years.A. have workedB. is workingC. will be workingD. workE. will have worked F. will have working这六个选项中我觉得ADE这3个好像都可以，想请教老师，这三个哪个最合适，并且其他两个为什么...

问题 反义疑问句的回答

1. There was nobody there when Mr Lee opened the door, was there?如果事实是“没有人”，改如何回答？（是No, there wasn't.吗？）2. He was unhappy to have a boy, was he?如果事实是“不高兴”，该如何回答？（是Yes, he was.吗？）3.以上两个问题的回答是...

问题 介词短语by...可以做同位语吗

He attempted to come across as America's “everyman” president in a very modern way — by working at McDonald's. 句子破折号后面的是同位语还是方式状语？怎么理解？

问题 being用法

In addition to being the perfect gift for the occasion, also remember that gifts are memorable. They may cost you little but would be priceless to the receiver, who recognizes their value as a sign of your affection, love, and thoughtfulness.你好曹老师，这句话的being什么用法，是的...

问题 being用法

In addition to being the perfect gift for the occasion, also remember that gifts are memorable. They may cost you little but would be priceless to the receiver, who recognizes their value as a sign of your affection, love, and thoughtfulness.你好曹老师，这句话的being什么用法，是的...