I was on my way to the bookstore and was waiting for the green light at a crossing when a girl of about ten was knocked down by a passing car, it drove off quickly.不是说复合句中，除大主句外when引导的时间状语从句也可有自己的小主句么，那it drove off quickly.做when a...
...rong support to the theory that a black hole lies at the Milky Way's centerand many of the 100 billion other galaxies estimated to exist in the universe.
a. that a black hole lies at the Milky Way's center and
b. that a black hole lies at the center of the Milky Way's and of
Most of us have bought into their mystique and can hardly conceive of a society in which science does not play a leading role, providing the basis for our control over the natural world and with that the key to further improvements in the quality of life.Provide后面可以直接...
...it has become clear that blind people can appreciate the use of outlines and perspective to describe the arrangement of objects and other surfaces in space?
...ation of children who grew up on prepared
foods how to cook healthy meals, and perhaps to make eating at home—Instead of at the local fried fish-and-chips
shop—the default option.请问老师这里的the default 是做宾补吗？因为资料说这是个宾补结构。（我也认为这是宾补...
...supply management
is a new way of operating, involving
internal operations and external suppliers to achieve advances in cost
management, product development, cycle times, and total quality control.请教各位老师：1. involving现在分词短语是做评注性状语吗？2. involve sb to do sth...
He kept his eyes fixed on mine till I had finished, and then he turned away. There was on his face a strange look, and I thought that so might a man look when he had died under the torture. He was silent. I knew that our conversation was ended.请教老师：and I thought that so might a man look ...
...f sensations which it yields the rest of them _____sensations of two acute and two obtuse angles, but I call the latter perspective, views, and the four right angles the true form of the desk. [A] is
[B] are
[C] being
[D] be
...d和disappeared看成谓语动词的过去式，将三个句子看成了由and引导的并列句，这种说法不对，因为这三个句子在意思上并不是并列关系，而是由逗号后面的one ______ up in
the planet's atmosphere and the other ______ after a software failure来补充说...
In the woods too, a man casts off his
years, as the snake his slough, and at what period soever of life, is
always a child.（出自爱默生的Nature）在树林里也是一样，人们抖落岁月如蛇褪旧皮，无论身处生命的哪一阶段，都会心如孩童。1.his sloug是snake的同...
...象，就称之为确定特指，但是比如说一句话“We own a dog and a cat.The dog is brown,and the cat is white.”我感觉这句话中的the dog和the cat不能说是确定特指，因为听这句话的人都不清楚这条狗和这只猫啊，没见过呀，它们到底长什么样，...
..., it means that your device cannot communicate with the server in question and the reasons for why does my iCloud say cannot connect to server are varied. It can be either the network between your device and the server has a problem, or simply the “server” has a problem.请问 for why does 后...
...unusual for
teenagers of your generation to be attracted to computer games and the online
world. But spending too much time online is unhealthy and makes it very
difficult to focus on other things in life.我的困惑在于But不是转折连词嘛，不是“句子A，but 句子B”嘛？为何这...
1.
.....you can find clubs and international restaurants ___10___ Baci, a place
serving Italian food and Tokyo Joe’s, a Japanese restaurant. 为什么空白处要填like而不是from？2.Instead
he watches whatever he wants until late last night. 这里的until late是什么结构呢？3.There
is ...
...here is a delicate balance of nature _____ many square miles of ocean and vegetation and clean air are needed to maintain only a relatively few human beings. 其中空格处需要填关系词。我想问的是，是否既可以填where，即将后面看作定语从句，balance作抽...