3、altitude

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• “标高”、“高度”和“高”分别用英文elevation，altitude，height表示。

  A . 正确 B . 错误

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• 在WGS-84测量规范中，高度（altitude）和高（height）是同一个概念。

  A . 正确 B . 错误

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• Apparent altitude is sextant altitude corrected for（）.

  A . parallax and personal error B . inaccuracies in the reading and reference level C . visibility and magnitude D . All of the above are correct

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• High—altitude babies have heads that are larger than their bodies．

  A . Right B . Wrong C . Not mentioned

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• interface Altitude {  //insert code here   }   和4个声明：   int HIGH = 7；  public int HIGH = 7；    abstract int HIGH = 7；   interface int HIGH = 7；  分别插入到第2行，有多少行可以编译？（）  

  A .  0 B .  1 C .  2 D .  3 E .  4

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• The error in the measurement of the altitude of a celestial body，caused by refraction，increases as the（）.

  A . horizontal parallax decreases B . observer's height above sea level increases C . humidity of the atmosphere decreases D . altitude of the body decrease

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• （）撰写的1919年著作《到达超高空的方法》（AMethod of Reaching Extreme Altitudes）被认为是 20世纪的火箭科学经典之一。

  A . 爱因斯坦 B . 罗伯特·戈达德 C . 齐奥尔科夫斯

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• 如果安装了语音系统，“ALTITUDE”表示什么？

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• 假如甲乙两人有如下图所示的博弈，该博弈的混合策略纳什均衡是乙甲行动不动行动6，30,0不动0,03,6{（2/3, 1/3）,（2/3, 1/3）}。(B)  {（2/3, 1/3）,（1/3, 2/3）}。(C)  {（1/3, 2/3）,（2/3,1/3）}。(D)  {（1/3, 2/3）,（1/3, 2/3）}。

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• Please choose the right answer which reflects the right meaning of the underlined words.It is not your aptitude, but your attitude that decides your altitude.

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• Please observe the following sentence and select the correct answer which reflects the numbers of language according to the sentence sequence. It is not your aptitude, but your attitude that decides your altitude.

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• “Above the sea level” means altitude. （ ）

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• What is corrected altitude （approximate true altitude)？

  A、Pressure altitude corrected for instrument error. B、Indicated altitude corrected for temperature variation from standard. C、Density altitude corrected for temperature variation from standard.

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• Each air carrier flight cdck aorwmember on flight deck duty must be provided with an oxygen mask that can be rapidly placed on his face when operating at flight altitudes

  A．of FL 260. B．of FL 250. C．Above FL 250.

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• In Britain, people have different altitudes to the police. Most people generally【21】them and the job they do—although there are certain people who do not believe that the police【22】have the power that they do.

  What does a policeman actually do？ It is not【23】job to describe. After all, a policeman has a number of jobs in one. A policeman often has to control traffic. either【24】foot in the centre of a town, or in a police car on the roads. Indeed. in Britain, he might he in the Traffic Police and spend all, or a lot of, his time【25】up and down main roads and motorways. A traffic policeman has to help keep the traffic moving, stop【26】motorists and help when there is an accident. A policeman has to help keep the【27】, too. If there is a fight or some other disturbance, we【28】the police to come and restore order. And they often have to deal with situation at great risk to their own【29】. We expect the police to solve crimes, of course, so an ordinary policeman, even if he is not a detective(侦探) ,will often have to help【30】and arrest criminals. And【31】do we call when there is an emergency—an air crash, a fire, a road accident. or a robbery？ We call the police.【32】a policeman has to be prepared to face any unpleasant emergency that may happen in the【33】world. The police do an absolutely necessary job, they do it【34】well and I support them, but I do not envy policemen. I do not think that I could【35】do the job of a policeman. (41) A．dislike B．join C．appreciate D．admire

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• Giussani has arrived at the conclusion that babies in high-altitude regions are more likely to have heart trouble when they grow up.

  A．Right B．Wrong C．Not mentioned

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• The altitude at LAN may be observed by starting several minutes in advance and continuing until a maximum altitude occurs.This procedure should not be used ().

  A.when the declination and latitude are of different names B.when the declination is greater than and the same name as the latitude C.if the vessel is stopped or making bare steerageway D.on a fast vessel on northerly or southerly headings

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• ＋5=□○□4×6＋4=□×□3×9－3－3=3×□2×3＋2×4=2×□5+5+5=□○□ 4×6+4=□×□ 3×9-3-3=3×□ 2×3+2×4=2×□

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• Even our Mitsubishi four-wheel-drive truck gets altitude sickness once in a while，so we like to give her a rest whenever we can．

  A.sometimes B.usually C.often D.seldom

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• In 1908, an object from outer space devastated2,000km2of forest in Siberia. The object was between10m and 100m in diameter and traveled at a maximumspeed of 15km/sec. It exploded at an altitude of 8km andreleased energy equivalent to 20million tons of TNT. Twoscientists discuss whether this object was a comet or anasteroid.

  Scientist 1 The object was a comet, a body made of ices (such asfrozen water or methane) and dust. Most of this cometarymaterial is volatile(easily vaporized) and low in density.Friction in Earth’s atmosphere heated the comet to a tem-perature at which it exploded, high above the ground. Themajority of the ices and dust were vaporized in the explo-sion, which explains why no crater was formed at the siteand why no large, identifiable fragments of the object werefound. An asteroid would not have been completelydestroyed. Intact asteroid fragments that reached theground would have created one or more craters uponimpact and left behind recoverable pieces. Evidence showsthat the object decelerated rapidly before it exploded.Because of their low density, comets are capable of suchrapid deceleration, whereas high-density objects, such asasteroids, are not. Scientist 2 The object was a stony asteroid. As it entered Earth’satmosphere, its high speed created a large air pressure dif-ference between the area just in front of the asteroid andthe area just behind the asteroid. The large pressure differ-ence eventually exceeded the structural strength of theasteroid. The asteroid flattened, decelerated rapidly due tothe dramatic increase in its surface area, and fragmentedbefore reaching the ground. This fragmentation would haveappeared like an explosion. Calculations show that a cometbetween 10m and 100m in diameter would explode at analtitude much higher than 8km, but a stony asteroid of thatsize would fragment at or near an altitude of 8km.Recovery of large asteroid fragments is difficult due to thearea’s boggy soil; however, small, glassy fragments wererecovered and are believed to be melted and resolidifiedpieces of the asteroid. Which of the following phrases best describes the majorpoint of difference between the 2 scientists’ hypotheses？ A.The location of the event B.The speed the object was traveling C.The density of Earth’s atmosphere D.The type of object that entered Earth’s atmosphere

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• Directions: For this part, you are supposed to write a composition on the topic: Hazards of High Altitude Throwing. You should write at least 120 words, and base your composition on the outline given

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• 巧填运算符号。（）3○3○3○3=3

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• The pilot increased the altitude of the airplane in order to avoid the rain clouds（）

  A．number B．speed C．weight D．height

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• 1、完成课后作业，BP 3.3.1 ，3.3.3，3.4.1，3.4.4

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