有一个句子是这样的：Scientists have advanced
many theories about why human beings cry tears, none of which has been proved.请问这里的cry tears符合英语习惯吗？怎么理解？查字典cry要么是不及物动词，要么做及物动词时为：If you cry
something, you shout it ...
老师您好，常见的same as结构，如It's about the same age as our sun. I have the same book as is laid on the desk.但是这种Whether the shape of the cluster was the same on the left side as on the right side. 指的是星团右侧的形状和左侧的形状是不是一样。这...
...、可数名词复数（如：apples）、不可数名词（如：information）。apple、information都是我一眼能判断出来的，但是遇到effect（[可数名词, 不可数名词] ~ (on sb/sth) a change that sb/sth causes in sb/sth else; a result）、noise[可数名词, 不可数名词] ...
One difficulty is that almost all of what is called behavioral science continues to trace behavior to states of mind, feelings, traits of character, human nature, and so on.of what...根据介词后不能接句子的原则，这里解释为what=先行词+引导词，of接的是先行词对吗？不...
...riculture, for then man was
faced with a real need to understand something about the seasons. Recent
scientific evidence seems to indicate that this assumption is incorrect. Historians have long been puzzled by dots,
lines and symbols which have been engraved on walls, bones, and the ivory tus...
...用regret to have done形式。例如，LDCE指出：When you are talking about the past, use regret
doing sth or regret that. 例如：I have often
regretted leaving the police force.I now regret not
having worked harder at school.但不能说* I now regret not to have worked harder at
school.Longm...
见到过 late into the night 的用法。如：
The meeting went on late into the night.
We sang and dance until late into the night.
但今天看到一个 late at night 的用法：
If you are on campus in the evening or late at night, you can buy snacks, fast food, and drinks in the Lo...
...eet an Englishman
on the road, and soon we began to talk. As I was talking about how I was
studying English, the foreigner seemed to be surprised. Gently shaking his head
and shrugging his shoulders, he said, “You don’t say!”, “You don’t say!”I was puzzled, I thought, perhaps this was
no...
...是不是就变成先做再要求了？The next July, the lady will talk about why the man founded this new company at the beginning of the next April.（此处宾语从句用过去时对吗？）They will be thankful for whatever help you offer/offered them.（这两个选哪个呢？）衷心感...
...?2. The patient agrees that he tends to worry a little more than necessary about minor matters.我认为句1之所以不能有what, 一个重要的原因是worry是不及物动词，more than (is) necessary.这个短语实际上起副词的作用，修饰worry的程度。如果用what is necessary, ...
...he globe. But such Ninos come with months of warning, and so much is known about how they happen that governments can prepare. According to the Overseas Development Institute (ODI), however, just 12% of disaster-relief funding in the past two decades has gone on reducing risks in advance, rather tha...
...r children are using their mind creatively
instead of looking at a smart phone or computer screen. Kids who love to draw
often create the same character over and over. At first, their creation looks a
bit like a stick figure doing simple things like running or walking. Soon,
though, as children beco...
... 3)
2013-9-30Speaker has some reason to wish that S may (or may have) come about. （2006语言学论文 There is no
subjunctive in English / Keith Allan文中有数例该用法） 总体来说，wish宾语从句对使用虚拟语气的...
...ou to do right now? Or is this some old
mental model you have in your head about you, who you
"should" be and what you "should" be doing, that maybe isn't worth
clinging to?判断一下你真正想表达的意思。你是否真的想要表达值得你马上去做的义务或期望呢？或者，这...
...直接把先行词写出来就可以。比如The man who I was telling you about is sitting over there. 这里改成简单句是The man is sitting over there和 I was telling you about him，还是I was telling you about the man？为什么我会问这个问题呢。因为在The book was written in1...