找到约 28000 条结果

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 How long既可以表示时间和距离吗?

How long does it take from A to B? 这种可以表示时间。我想知道 How long is the bridge over the Yellow River? 这种常见吗？

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 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 定语从句和时间状语的区分

有书上说when amplifying age……strategy是定语从句。when amplifying age……strategy能不能分析成时间状语从句？原因是什么？ pink fully came into its own when amplifying age and sex differences became a dominant children's marketing strategy这句中“when amplifying a...

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 句子结构的理解

Yet properly understood, the age of electricity is merely the second stage in the age of steam, which began a century earlier.老师，您好！1.上述句子中，怎样理解yet properly understood的结构？是否yet properly understood是一个带转折含义的省略条件句，即yet properly...

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 关于significant和obvious的区别

请问什么时候使用significant，什么时候使用obvious1. It is significant/obvious that he changed his will only days before his death.2. It's the first drug that seems to have a very significant/obvious effect on this disease.

问题 doing 还是to do

1.it is a waste of time/pleasure/fun/use/good doing2. there is no point /sense/harm/use/good doing sth以上两个结构中doing可以改为to do 么？有there is no hurry/need doing 的结构么，看到语法书里有这样的总结，有点乱。谢谢！

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？