One of Marie Curie's outstanding achievements was to have understood the need to accumulate intense radioactive sources, not only to treat illness but also to maintain an abundant supply for research. 居里夫人的一项杰出成就是理解了积累强放射源的必要性，这不仅是为了治...
AIDS is said to have been the biggest health challenge to both men and women in that area over the past few years.想问下各位老师，to have been 这里是做什么成分？我看答案解析为不定式作宾语。但网上也有人说是表语。另外，AIDS is said to是被动语态吗？...
The object of prime importance to the physically helpless infant is a human being. Babies seem to have a natural tendency to the human face as potentially rewarding.请教老师，这句话的as potentially rewarding是什么成分，而且as做啥词性呢，怎么连起来的，百思不得其解...
To what extent, amount, or degree: How bad was it?这是 how 在词典中的一个解释，按照解释是不是可以改为这样: To what degree
was it bad?然后，句中介词短语to what degree是看作修饰形容词bad，还是系表was bad？
2017年11月7日Getting ready to make a major speech to the National Assembly here in South Korea, then will be headed to China where I very much look forward to meeting with President Xi who is just off his great political victory.准备好了在韩国国民大会上发表重要讲话，然后我...
...主语并能转换为先行it-结构。例如：That question is difficult to answer = to answer that question is difficult = It is difficult to answer that question.另一种情况是，不能以不定式结构作主句主语，因而不能用先行it-句型予以转换。例如：The coffee is bit...
41.coax（P460）作“to
persuade someone to do something that they do not want to do by talking to them
in a kind, gentle, and patient way 劝诱，哄；诱导”解时，构成“coax somebody into/out of doing
something”。例如：We had to coax Alan
into going to school.我们只好哄着...
“Children,
I can' t sing, ” she always said, and mother used always to lay her knitting
softly down, and the kitten stopped playing with the yarn on the floor, and the
clock ticked lower in the corner, and the fire died down to a glow, like an old
heart that is neither chilled nor dead, and gran...
...不妥，应该改为：Mr Smith is the person who I sent my application to.Mr Smith is the person to whom I sent my application.如果你用的是 send sth to sb 来理解上面的句子，当然要加上 to；但如果是用 send sb sth 来理解呢？这个 to 是可以不用的吧？
例1：He
is mean to his wife.分析：to“对于，对（某个对象）”的含义，to
his wife指“对他的妻子”，介词短语作对象状语修饰形容词mean，共同构成形容词短语作整句表语。例2：It
was kind of you to help me. 分析：of
you介词短语作状语修...
I think that in far too many families not only do children come to take their parents' generosity for granted，but also the effects of this can actually be somewhat harmful to children. 句中come to 的意思是不是逐渐的做什么，然后他还有第二种意思是来做什么.