Three million adolescents smoke cigarettes, an average of one-half a pack per day, a 1 billion dollars a year market.老师好，请问主句后面两个短语分别是什么成分？还有，one-half a pack per day到底一天抽几包烟呀？又是0.5又是1的……
...用句（表示是错误句子）2）Not only will they paint the outside of the house but also the inside.剑桥字典例句在第1句中，作者表示由于并列连词not only…but also要对接对称结构，而原句前面接了分句后面接了动词短语，故判断错误。我的疑问...
...p; Willoughby, 2014). Tired triggers crabby. In another
survey, 28 percent of high school students acknowledged falling asleep in class
at least once a week (National Sleep Foundation, 2006). 这个句子；来源于戴维斯的心理学P107.大概的意思是：疲劳状态容易让人易怒，引...
...r again? 这封信需要我再打一遍吗?He dare not run [take] the risk of being caught by the police. 他不敢冒被警察抓住的危险。Dare you swim across the river, John? 约翰，你敢游过河去吗? 请问：在否定句中，如果否定的不是谓语（即否定词不是直接与n...
Intellect, according to Hofstadter, is different from native intelligence, a quality we reluctantly admire.1. 从语法上讲，到底是指代 intelligence 还是指代 intellect？是就近指代还是不用考虑就近指代？2. 从语义上讲，we 确实不喜欢 intelligence ，所以指代...
...rest in its internal affairs 2：They are unaware of a simple but important fact that memory can be developed. If you will just accept that fact, this book will show you how.
There is a good chance of silent genes surviving for up to 6 million years in at least a few individuals in a population.请问老师：1.红字部分是否可看做一个整体作句子的成分？作什么成分？2.up to 6 million years作什么成分？up在这里是什么词性什么用法？3....
...
youth project, _____ high school students from 7 countries Mount Tai, one of
the most _____ mountains in ChinaIt has been _____
for more than 3,000 years. 22 temples,
around 1,800 _____ with writing on them Dai Temple on _____;
over 6,000以上摘自高中英语新教材（人教版）必修二第1...
...o college is a big step for high school graduates, and it
comes with a lot of changes. For most students, it’s the first time they’re
living away from home and managing their own life.以上内容摘自2022高考英语天津卷阅读理解A的第一段。看到语法书上说，It’s the first ...
...用that：Today’s youth are much more liberal-minded than those/the
ones of the 1980s. 今天的年轻人比20世纪80年代的年轻人思想开放多了。大家看看上面的内容是否有问题。 为提供更多的相关背景，我把该词条的相关内容截图如下：
Chinese TV dramas urged to copy South Korean hit to improve image of military and boost army recruitment.这是某报纸的新闻标题，网上的参考译文是：中国电视剧被要求模仿热播韩剧，以提升军队形象，促进军员招募。请问，为什么 urged 的前面没有 were...
Sales of electrical goods have increased, both at home and abroad.A. abroad B. overseas请问如何选？是用 both at home and abroad 还是用 both at home and overseas？感觉通常是用 both at home and abroad 吧？
【1】The professor is typing his own letters while his secretary is ill.请问这句话表达的意思是: 教授的秘书最近生病了（所以）他自己打字。还是: 每当教授的秘书生病了，他都自己打字。。。
【2】Tom has been scoring a lot of goals this season. 请...
All of the plants now farmed on a large scale were developed from plants that once grow wild.这个句中有once ,为什么grow用一般现在时而不用一般过去时？一般现在时表经常发生的动作或存在的状态，表日常行为、习惯、能力或客观存在。句中的一般...