MALE PROFESSOR: An-an-and if the two media have really different densities—like air and water—then most of the energy is gonna be reflected back; very little of it will keep going—uh, get transmitted into the new medium.MALE PROFESSOR: I mean, just think how little noise from the out...
...hile/as使用，以下句子困惑： 1)
书上原句 It was
snowing when they went to school.我改成It
snowed when they went to school. 是否正确？ 2)
书上原句 My mum
was cooking while my dad was reading a newspaper.我改成My
mum was cooking when/as my dad was reading a newspaper. 是...
The immediate causes,” Mao explained, “are the severe new demands of Japan, capitulation to which must enormously handicap any attempts at resistance in the future, and the popular response to this deepening threat of Japanese invasion in the form of a great people’s patriotic movement. ...
...，但发现有些例句并不遵从此规则：①I had been looking for the book for two days before I found it at last.②We had scarcely left our school when the rain began.③By the time I got to the station,the train had already gone.在以上例句中，主句均用的是过去完成时，从...
...topedia, as he called his method, 主句consciousness is shifted away from the curriculum to focus on something peripheral. the curriculum then becomes peripheral and is dealt with by the brain.1 as=suggestopedia,即he called his method suggestopedia。传统语法认为as 引导非限定定语...
The program ever all pushes students to imagine and build the cities of the future.这个项目一直都在推动学生去想象和建造未来的城市。句中的ever副词究竟该如何理解和运用呢？ 和下句中的ever是一样的吗？They look to the futrue with ever-increasing hope....
The UN, in handling Africa-related issues, needs to respect the will of the African people, enlist the AU and other regional and sub-regional organizations in Africa, and encourage and support Africa’s own initiatives and solutions.老师您好，请问 and encourage and support 为什么要两...
The company decided to take the plunge, with the twin goals of making
the products (be) easier to find and building up its overseas market.BEC高级语法改错，这里是去掉be，be在这里怎么错了？谢谢
In the periodic table are arranged all the chemical elements discovered.这里是介词短语位于句首的倒装。介词短语本身作状语，而状语位置非常灵活，放在句首也可以。即变为：In the periodic table all the chemical elements discovered are arranged.那么，介...
I had remarked on one side of the road, at intervals of six or seven yards, a line of upright stones, continued through the whole length of the barren.on one side of the road, at intervals of six or seven yards这两个介词短语是在从句中作什么成分呢？谢谢老师。
Listen
again and complete the sentences with the correct words.1. In conversation 1, the woman is wearing ________
colours. It took her a long time to do her hair and make-up, and to get
_______. She is going to meet her ________ soon. 2. In conversation 2, Carla advises Li Mei to change
her _______...
The house is Mr. Smith's, but he_____here any more.A. hasn't lived B. didn't
live C. wasn't living D. doesn't live答案给的是D选项，想知道为什么选一般现在时，以及为什么不选其他的时态，尤其是为什么不选现在完成时?
...ospital I found I was getting it wrong with quite a lot of
people, because they didn't look at it the same way as I did. And again, I
think if you're going to die around the age of 50, far more people are involved
than if you're dying when you're really old. You know, it's fairly threatening
to peop...