题目内容
（请给出正确答案）
Being a pop star can be quite a hard life, with a lot of traveling _______heavy schedules.
A) with regard to B) as to C) in relation to D) owing to
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更多“Being a pop star can be quite …”相关的问题
Being a pop star can be quite a hard life, with a lot of traveling ______ heavy schedules.
A) as to B) in relation to C) owing to D) with regard to
A) with regard to
B) as to
C) in relation to
D) owing to
Many people think that English soccer star David Beckham is()a pop star()a player.
A．mainly; than
B．either; or
C．very much; not
D．more of; than
Many people think that English soccer star David Beckham is () a pop star () a player.
A．mainly; than
B．either; or
C．very much; not
D．more of; than
根据以下材料，回答题
Black Holes
（1） Black holes can be best described as a sort of vacuum， sucking up everything in space.
Scientists have discovered that black holes come from an explosion of huge stars. Stars that are near death can no longer bum due to loss of fuel， and because its temperature can no longer control the gravitational （重力的 ） force， hydrogen ends up putting pressure onto the star"s surface until it suddenly explodes then collapses.
（2） Black holes come from stars that are made of hydrogen， other gases and a few metals.
When these explode it can turn into a stellar-mass （恒星质量 ） black hole， which can only occur if the star is large enough （should be bigger than the sun） for the explosion to break it into pieces， and the gravity starts to compact every pieceinto the tiniest particle. Try to see and compare: if a star that"s ten times the size of the sun end up being a black hole that"s no longer than 70 kilometers， then the Earth would become black hole that"s only a fraction of an inch!
（3） Objects that get sucked in a black hole will always remain there， never to break free. But remember that black holes can only gobble up （吞噬 ） objects within a specific distance to it.
It"s possible for a large star near the sun to become a black hole， but the sun will continue to stay in place. Orbits （轨道） do not change because the newly formed black hole contains exactly the same amount of mass as when it was a star， only this its mass is totally contracted that it can end up as no bigger than a state.
（4） So far， astronomers have figured out that black holes exist because of Albert Einstein"s theory of relativity. In the end， through numerous studies， they have discovered that black holes truly exist. Since black holes trap light and do not give off light， it is not possible to detect black holes via a telescope. But astronomers continue to explore galaxies （星系） ，space and the solar system to understand how black holes. It is possible that black holes can exist for millions of years， and later contribute further process in galaxies， which can eventually lead to creation of new entities. Scientists also credit black holes as helpful in learning how galaxies began to form.
Paragraph 1 __________ 查看材料
A.Is there proof that black holes really exist？
B.What are different types of black holes？
C.How are black holes formed？
D.How were black holes named？
E.What happens to the objects around a black hole？
F.What are black holes made of ？
A.waving
B.having waved
C.waved
D.to wave
Causes of fashions are those except ______.
A．convenience
B．practical necessity
C．fancy of a pop star
D．cold weather
请根据短文内容，回答题。
Black Holes
(1) Black holes can be best described as a sort of vacuum, sucking up everything in space.＜br＞
Scientists have discovered that black holes come from an explosion of huge stars. Stars that are near death can no longer burn due to loss of fuel, and because its temperature can no longer control the gravitational (重力的 ) force, hydrogen ends up putting pressure onto the star&39;s surface until it suddenly explodes then collapses.＜br＞
(2) Black holes come from stars that are made of hydrogen, other gases and a few metals. When these explode it can turn into a stellar-mass (恒星质量) black hole, which can only occur if the star is large enough (should be bigger than the sun) for the explosion to break it into pieces, and the gravity starts to compact every piece into the tiniest particle. Try to see and compare: if a star that&39;s ten times the size of the sun end up being a black hole that&39;s no longer than 70 kilometers, then the Earth would become black hole that&39;s only a fraction of an inch!＜br＞
(3) Objects that get sucked in a black hole will always remain there, never to break free. But remember that black holes can only gobble up (吞噬) objects within a specific distance to it. It&39;s possible for a large star near the sun to become a black hole, but the sun will continue to stay in place. Orbits (轨道) do not change because the newly formed black hole contains exactly the same amount of mass as when it was a star, only this time its mass is totally contracted that it can end up as no bigger than a state.＜br＞
(4)So far, astronomers have figured out that black holes exist because of Albert Einstein&39;s theory of relativity. In the end, through numerous studies, they have discovered that black holes truly exist. Since black holes trap light and do not give off light, it is not possible to detect black holes via a telescope. But astronomers continue to explore galaxies (银河系) , space and the solar system to understand how black holes might evolve. It is possible that black holes can exist for millions of years, and later contribute further process in galaxies, which can eventually lead to creation of new entities. Scientists also credit black holes as helpful in learning how galaxies began to form.
Paragraph 1 __________ 查看材料
A.Is there proof that black holes really exist？
B.What are different types of black holes？
C.How are black holes formed？
D.How were black holes named
E.What happens to the objects around a black hole？
F.What are black holes made of？
Music Made Easy
"Sampling" old songs to create new hits made Puff Daddy a star. Now the revolution is coming to desktop.
Ever dreamed of becoming a pop star？ One of the best things about the PC revolution is that it enables amateurs to do creative work that looks professional. Thousands of people have used programs like Paintshop Pro, Adobe Premiere and Microsoft Publisher to retouch (润饰) photos, edit footage and lay out slick newsletters. But what about music？ If you can't play an instrument or carry a tune, no computer in the world can make you sound like Christina Aguilera.
That is about to change, thanks to a small New York City start-up called MusicHall 2000. Instead of launching yet another website where people can download MP3s, this company plans to do something much cooler: give away software that turns ordinary music lovers into composers by letting them create their own songs using prerecorded musical snippets or pieces of existing pop songs--called "samples." "You can envelop people in your sound without going through the torture of training," says MusicHall president David Danon, 24. "Plus you can record your own music without spending hundreds of dollars on a studio," adds Adam Strauss, 25, the company's chief operating officer, "We saw a way to turn consumers into producers."
Making songs with MusicHall is a lot like layering a cake: you can put down a bass line, add drums and some guitar licks (小过门), then top it off with a horn riff (即兴重复段)--it's all up to you. Within an hour of experimentation we created a song that sounded a lot like the thumping dance music of a club. It's intuitive (直觉的) enough for the average computer user to fool around with, yet powerful enough to make a professionalsounding CD, and MusicHall believes that it will appeal to both complete novices and trained musicians. That's why it's integrating (使结合) the software with the Internet so people can easily exchange their work with other wanna-be composers or distribute it to potential fans.
There are two parts of MusicHall 2000: the software and the website. The CD-ROM contains the Virtual Studio program (it consists of a pair of music editors from Sonic Foundry, Acid DJ2.0 and Sound Forge 4.5) and a library of samples. As you arrange your samples, you can add effects like reverb (混响装置), raise or lower the tempo (拍子), or even run the sample backwards. With additional equipment, you can record your own vocals (声乐作品) or instrumentals and throw them into the mix.
That's all a lot of fun, but it's when you connect to the website that MusicHall shows its potential. Once you've exhausted the samples included on the CD, you'11 be able to download new ones from the website. Using the on-screen world map, you can grab an Indian sitar or Congolese drumbeats. Some samples will be free; others will cost a small sum; the company is recruiting brand-name producers to contribute some of their hottest beats in exchange for a cut of the revenue (税收). The site is divided into several sections: the Audio Graffiti hall contains members' home pages, where people can post their own samples and songs for others to download; the Star Tracks hall hosts a weekly battle of MusicHall's virtuosos (名师). An instant messenger will let people exchange samples and songs in real time.
MP3. com meets eBay by way of RealNetworks--a cleverly cobble-together (拼凑) project, to be sure. But it works--and the ease of stringing together tunes of your own is highly addictive. There are signs that audiences might be receptive to this: Fueled by the rise of hip-hop (the popular street culture of big-city and especially inner-city youth, characterized by graffiti art, break dancing, and rap music) and electronics, DJ/producers like Dr. Dre, RZA, Roni Size and Fatboy Slim have stepped from behind the mixing boards and into the spotlight (聚光灯). Wielding their turntables and samplers as
A．Y
B．N
C．NG
