The Internet has become an important part of teenage life. Most of them use the Internet to get lots of knowledges and information, and to relax in their spare time.不是说 knowledge 是不可数名词吗？这里为什么用复数？
Reflecting the broad range of issues that have come to characterize relations between the two countries, some of the sensitive topics that have dominated U.S.-Chinese talks in the past now seem further down the agenda. 请问reflect的逻辑主语是什么？"Reflecting the broad range of ...
...个学生南美工作经验的。这句话不太理解：
No, I wanted to do something that had more of a proper structure to it, I suppose. 句中的 more of a proper structure 是什么意思？to it 中的it是指什么？整句话应该怎么理解？谢谢！
A survey of news stories in 1996 reveals that the anti-science tag has been attached to many other groups as well, from authorities who advocated the elimination of the last remaining stocks of smallpox virus to Republicans who advocated decreased funding for basic research.此处的as well该如何...
背景：每个班只有8个人，so their instructor really gets to know them well.听力原文：then the instructors themselves are in blue shirts,and one of these is responsible for each class.是说所有的instructors(各自负责自己班)中，有一个人是总负责every class的? 还是on...
...althy, the heart just isn’t as efficient in processing
oxygen as it used to be. In most people the first signs show up in their 50s or
early 60s. And among people who don’t exercise, the changes can start even
sooner. 翻译：随着年龄的增长，即使我们身体健康，心脏处理氧气...
On first hearing, this was the socially concerned chancellor, trying to
change lives for the better, complete with “reforms” to an obviously indulgent
system that demands too little effort from the newly unemployed to find work,
and subsides laziness.这句话，complete with “reforms” to an...
...hane hydrates than in
shale, for instance或It is thought that there is
up to ten times as much gas in methane hydrates as (there is) in shale, for
instance。以上分析以及解决方案看上去似乎颇有道理，且符合读者的预期。但问题是：BBC报道中的上述句子真的需要...
CNN新闻节选：Covid just makes this doubly difficult for our seniors to sustain their levels of wellness.大致意思是：冠状病毒让我们的老年人很难维持他们的健康水平。请教老师：this 和 for our seniors to sustain their levels of wellness 是同一样的内容吗...