问题 population可以指拥有共同特征的某一群人吗

请问“不同人群”除了different groups (of people)以外还有什么表达方式？可不可以用different populations？population可以指拥有共同特征的某一群人吗？

问题 sth withhold sb from (doing) sth 这一结构是什么含义

Her enquiries after her sister were not very favourably answered. Miss Bennet had slept ill, and though up, was very feverish and not well enough to leave her room. Elizabeth was glad to be taken to her immediately; and Jane, who had only been withheld by the fear of giving alarm or inconvenience, f...

问题 was 还是 were

老师好，碰到一个题目there was/were three hours to go，中文大意是还有三小时剩余我们老师说两个都可以，was更好，请问hours不是复数吗，为什么这么认为，谢谢

问题 population在这个句子中是什么意思

From an analysis of the hot-spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years.请问: population 在句中肯定不是人口的意思，那该如何理解?

问题 ago和before使用区分

...’t think anything of it. Then after about five minutes, I noticed people were starting to get a bit angry. Fifteen minutes later, people started getting angrier. The longer the train stood still, the angrier people became until finally the announcement came: “We are sorry to announce that this t...

问题 population作主语时的主谓一致问题

population受几分之几修饰时，谓语动词只能用复数吗？

问题 would rather 后面接从句时用虚拟语气 was 与 were

我知道 would rather 后面接从句时用虚拟语气，如果单数后面接动词be，是用 was 还是用 were？I would rather he was / were my friend than he was / were my husband.

话题 was were

问题 冠词用法(a rapid population growth)

This region has seen a rapid population growth. 老师，麻烦问下 这句为什么有个a, 不要也可以吗？

问题 请问：句中的was是否要改为were

请问：句中的 was 是否要改为 were？

问题 虚拟语气为什么用was不用were

I feel as if high school was only yesterday是虚拟语气吗里面的was为什么不用were？

问题 在虚拟语气中were什么时候可以变成was

在虚拟语气中were什么时候可以变成was，取代后还是虚拟语气吗？

问题 句子成分分析

It was believed by some that the power of persons whose heads were taken was added to that already possessed by the successful warrior or his village.这句话中的that already possessed…中的that是什么成分，怎么分析这后半句的成分？这句话的宾语是哪个？

问题 just plain bad的语法对吗

In 1812，the year Charles Dickens was born, there were 66 novels published in Britain. People had been writing novels for a century—most experts date the first novel to Robinson Crusoe in 1719—but nobody wanted to do it professionally. The steam-powered printing press was still in its early sta...

问题 虚拟语气中was和were的选择

... lots of space. I would feed it raw fish and put a collar on it. If it was/were hurt, I would bandage it.这里要用虚拟语气吗，选择 was 还是 were 呢?