名词解释题STAR
名词解释题
STAR
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Some two thousand million years ago, the mountain on the sun was raised probably because______.A. the star moved away from the sunB. another star happened to come near the sunC. fhe sun and the moon raised the tides on the earthD. a large tidal wave of a star travelled over the surface of the sun
There are certainly benefits of using a star in a film.It makes the film easier to market. Stars also help sell more tickets and drive DVD sales, which are a big part of studio revenue However, a star does not guarantee success.The simple fact is that if you pay a star a greal deal of money for a film that people don’t want to see, then it won’t work.
Some four-star or five-star hotels are also equipped with ( ).A. swimming poolsB. bowling alleysC. saunasD. safety-deposit boxes
You are preparing to take another vessel in tow．Which signal indicates，Hawser is made fast ______．A.Firing of a green star signalB.Firing of a red star signalC.An orange smoke signalD.Three white star rockets at 1-minute intervals
如何将S2126交换机的登陆密码配置为Star?() A.set password starB.login starC.enable secret level 10starD.enable password star
Black Holes Trigger Stars to Self-Destruct Scientists have long understood that supermassive black holes weighing millions or billions of suns can tear apart stars that come too close. The black hotels gravity pulls harder on the nearest part of the star, an imbalance that pulls the star apart over a period of minutes or hours, once it gets close enough. Scientists say this Uneven pulling is not the only hazard facing the star. The strain of these unbalanced forces can also trigger a nuclear explosion powerful enough to destroy the star from within. Matthieu Brassart and Jean-Pierre Luminet of the Observatoire de Paris in Meudon, France, carried out computer simulations of the final moments of such an unfortunate star's life,as it veered towards a supermassive black hole. When the star gets close enough, the uneven forces flatten it into a pancake shape. Some previous studies had suggested this flattening would increase the density and temperature inside the star enough to trigger intense nuclear reactions that would tear it apart. But other studies had suggested that the picture would be complicated by shock waves generated during the flattening process and that no nuclear explosion should occur. The new simulations investigated the effects of shock waves in detail,and found that even when their effects are included,the conditions favor a nuclear explosion. "There will be an explosion of the star-it will be completely destroyed," Brassart says. Although the explosion obliterates the star, it saves some of the star's matter from being devoured by the black hole. The explosion is powerful enough to hurl much of the star's matter out of the black hole's reach, he says. The devouring of stars by black holes may already have been observed, although at a much later stage. It is thought that several months after the event that rips the star apart,its matter starts swirling into the hole itself. It heats up as it does so, releasing ultraviolet light and X-rays. If stars disrupted near black holes really do explode, then they could in principle allow these events to be detected at a much earlier stage, says Jules Hatpern of Columbia University in New York, US. "It may make it possible to see the disruption of that star immediately if it gets hot enough," he says. Brassart agrees. "Perhaps it can be observed in the X-rays and gamma rays, but it's something that needs to be more studied," he says. Supernova researcher Chris Fryer of the Los Alamos National Laboratory in Los Alamos, New Mexico, US, says the deaths of these stars are difficult to simulate, and he is not sure whether the researchers have proven their case that they explode in the process.文章(36~40)Something destructive could happen to a star that gets too close to a black hole. Which of the following destructive statements is NOT mentioned in the passage?A. The black hole could tear apart the star.B. The black hole could trigger a nuclear explosion in the star.C. The black hole could dwindle its size considerably.D. The black hole could devour the star.
According to the fourth paragraph, which of the following is NOT true?A. No nuclear explosion would be triggered inside the star.B. The star would be destroyed completely.C. Much of the star's matter thrown by the explosion would be beyond the black hole's reach.D. The black hole would completely devour the star.
What will happen several months after the explosion of the star?A. The star's matter will move further away from by the black hole.B. The black hole’s matter will heat up.C. The torn star's matter will swirl into the black hole.D. The black hole's matter will release ultraviolet light and X-rays.
Star Diagnosis诊断仪可以通过哪些方式升级？（）A、通过升级光盘为Star Diagnosis诊断仪升级B、通过USB存储并传输为Star Diagnosis诊断仪升级补丁（Addon）C、通过网络下载为Star Diagnosis诊断仪升级补丁（Addon）D、通过蓝牙传输为Star Diagnosis诊断仪升级补丁（Addon）E、以上升级方式均不正确
Star Diagnosis诊断仪中软件是指？（）A、任何CD或DVDB、在Star Diagnosis中的程序C、SDconnectD、Star Diagnosis的连接电缆E、XENTRY connect
关于Star Diagnosis诊断仪，下列哪项是不正确的？（）A、任何程序可以安装在Compact4的Star Diagnosis诊断仪系统中B、SD connect可以在任何Star Diagnosis诊断仪上操作C、Compact4的Star Diagnosis诊断仪有一个可充电电池D、Compact4不是目前Star Diagnosis诊断仪的升级版E、Basic 2不是目前Star Diagnosis诊断仪的升级版
Star Diagnosis诊断仪出现问题，需要向Star Diagnosis诊断仪支持热线电话提供哪个重要编号？（）A、Star Diagnosis诊断仪的硬盘驱动器编号B、员工编号C、经销商编号D、Star Diagnosis诊断仪的系统编号E、Mac编号
单选题What is the lifesaving signal for，You are seen - assistance will be given as soon as possible?（）AGreen star rocketBRed star rocketCOrange smoke signalDHorizontal motion of a flag
单选题Sidereal time is NOT used（）.Aas the basis for star chartsBto enter a star finderCin sight reduction using Pub 249Din sight reductions of planet observations
单选题如何将S2126交换机的登陆密码配置为Star？（）Aset password starBlogin starCenable secret level 10starDenable password star
单选题The separate supplies are connected in either star or delta formationThe star formation is most commonly used and requires（） slip-rings on the alternator.AtwoBthreeCfourDfive
单选题In order for a star to be used for a sight at lower transit，the star must（）.Abe circumpolarBhave a declination equal to or greater than your latitudeChave a GHA of 180°Dhave the SHA equal to or less than the LHA