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填空题Since Mars appeared to be red, astrologers believed that it represented anger, aggression and war.____

题目
填空题
Since Mars appeared to be red, astrologers believed that it represented anger, aggression and war.____
参考答案和解析
正确答案： E
解析：
由题干中“Mars”定位至E段。文中举例讲到，占星家将火星的红色与愤怒、侵略和战争联系起来，即他们认为火星代表了这些东西。故匹配段落为E段。
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相似问题和答案

第1题：

At the first sight the planet Mars does not appear very welcome to any kind of life．It has very little oxygen and water,the temperature at night is below-50~Cand winds of 100 miles per hour cause severe dust storms．However,the surface of the planet seems to show that water flowed across it some time in the past,and it is believed that there is enough ice at the poles to cover the planet with water if it melts．Although there is no life on the Mars now,some scientists think that there may have been some form of life long time ago．At that time,the planet had active volcanoes;the atmosphere was thicker and warmer;and there was water．In fact,in some ways the Mars may have been similar to the Earth,where life exists.
Some people believe that the Mars could support life in the future if the right conditions were produced．The first step would be to warm the planet using certain gases which trap the Sun's heat in the planet's atmosphere．With warmth,water and carbon dioxide(二氧化碳),simple plants could begin to grow．These plants could slowly make the Mars more suitable for living．It is estimated that the whole process might take between 100,000 and 200,000 years．In the meantime,people could begin to live on the planet in special closed environments．They would provide a lot of useful information about conditions on the Mars and the problems connected with living there.

There could be life on the Mars in the future if

A.it supported life in the past
B.certain gases are used to cool the planet
C.the atmosphere can be heated enough to grow simple plants
D.the planet's volcanoes become as active as they were in the past

答案：C
解析：
第二段大意是：如果要想改变火星的条件使之适合居住，首先要提高星球的温度，其方法是用某些气体收集太阳的热能。有了温度、水和二氧化碳，一些植物便可生长。慢慢地使星球适合生存。选项C，“人们可以以提高环境的温度的方式来使一些植物生长”是正确的。

第2题：

At the first sight the planet Mars does not appear very welcome to any kind of life．It has very little oxygen and water,the temperature at night is below-50~Cand winds of 100 miles per hour cause severe dust storms．However,the surface of the planet seems to show that water flowed across it some time in the past,and it is believed that there is enough ice at the poles to cover the planet with water if it melts．Although there is no life on the Mars now,some scientists think that there may have been some form of life long time ago．At that time,the planet had active volcanoes;the atmosphere was thicker and warmer;and there was water．In fact,in some ways the Mars may have been similar to the Earth,where life exists.
Some people believe that the Mars could support life in the future if the right conditions were produced．The first step would be to warm the planet using certain gases which trap the Sun's heat in the planet's atmosphere．With warmth,water and carbon dioxide(二氧化碳),simple plants could begin to grow．These plants could slowly make the Mars more suitable for living．It is estimated that the whole process might take between 100,000 and 200,000 years．In the meantime,people could begin to live on the planet in special closed environments．They would provide a lot of useful information about conditions on the Mars and the problems connected with living there.

Some scientists think there may have been life on the Mars in the past because__.

A.there is no life there now
B.there is a large amount of water at the poles
C.the Mars may be able to support life in the future
D.conditions may have been similar to those on the Earth

答案：D
解析：
第一段大意是：人们最初对火星的印象是火星上不可能有生命。因为几乎没有氧气和水，并且夜间温度低于-50°C，同时还有每小时l00英里的风速引起的严重的沙尘暴。然而星球的表面却告诉我们，过去的某个时段水曾经从这里流过。人们相信极地有足够的冰，一旦融化便可覆盖整个星球。虽然现在火星上没有生命，但在过去很久很久以前，生命很有可能存在过。由此可看出，生命所需的条件——水和氧——在火星上和在地球上是相似的。所以选项D正确。而选项B说火星上有水是不对的。火星的极地有冰，只有当冰融化后才能使整个星球有水。

第3题：

We know from the text that the Mars mission is _____.

［A］ one of NASA’s internet projects

［B］ an expedition to Mars

［C］ the infrastructure of the interplanetary Internet

［D］ to create an architecture on Mars


正确答案：B

本题考查词义的理解。文章五、六段中Mars mission和Mars expedition交替使用，可见是同义，而且第三段首句在具体解释space mission的含义时以火星为例指出它orbiting another planet such as Mars。 所以，正确选项为[B]。［A］、［C］、［D］三项都指的是塞尔夫跟（美）国家宇航局的合作项目。Architecture意为“架构，体系(the structure of a computer system and the way it works)”。

第4题：

共用题干
A Record-Breaking Rover
NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance. Since arriving on the Red Planet in 2004,Opportunity has traveled 25 .01 miles,more than any other wheeled vehicle has on another world.
“This is so remarkable considering Opportunity was intended to drive about 1 kilometer and was never designed for distance,”says John Callas,the Mars Exploration Rover Project Manager.
He works at NASA's Jet Propulsion Laboratory in Pasadena,California.“But what is really importantly is not how many miles the rover has racked up,but how much exploration and discovery we have accomplished over that distance.”
The solar-powered Opportunity and its twin rover,Spirit,landed on Mars 10 years ago on a mission expected to last 3 months. The objective of the rovers was to help scientists learn more about the planet and to search for signs of life,such as the possible presence of water.
Spirit stopped communicating with Earth in March 2010,a few months after it got stuck in a sand pit. But Opportunity has continued to collect and analyze Martian soil and rocks.
During its mission,Opportunity has captured,and sent back to Earth,some 187,000 panoramic and microscopic images of Mars with its cameras. It has also provided scientists with data on the planet's atmosphere,soil,rocks,aid terrain.
The rover doesn't seem to be ready to stop just yet. If Opportunity can continue on,it will reach another major investigation site when its odometer hits 26.2 miles. Opportunity has beer working on Mars since January 2004.
Researchers believe that clay minerals exposed near Marathon Valley could hold clues to Mars's ancient environment. Opportunity's continuing travels will also help researchers as the, plan for an eventual human mission to the Red Planet.

What does John Callas say about Opportunity's long distance travel?
A: It hasn't met scientists' expectation yet
B: It hasn't been appreciated appropriately
C: It is secondary to what has been discovered
D:.It is what scientists have been aiming at

答案：B
解析：
根据第一段“NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance.”可知，“机遇号”比任何漫游车行驶的距离都长。故选B。


从第二、三段可知，“机遇号”并不是为长途行驶而设计的，它本来预定只能行驶大约一千米。因此“机遇号”在被设计时，约翰并没有准确地知道它的价值。故本题选 B。


由第四段“The objective of the rovers was to help scientists learn more about the planet and to search for signs of life , such as the possible presence of water.”可知，把“机遇号”和 “勇气号”送上火星的目的之一是寻找生命的迹象。故本题选D。


根据文章最后两段可知，如果“机遇号”继续行驶的话，在它行驶到26.2英里的时候，它就会到达另一个重要的研究场地——马拉松谷，因此C项正确。倒数第二段第一句说，“机遇号”不会止步于此，故A项错误。B、D项文中并未提到。


由最后一段可知，“机遇号”接下来的工作能够帮助研究人员实施人类最终登陆火星的计划。故B项“科学家正努力把更多的人类送上火星”是正确答案。

第5题：

共用题干
A Record-Breaking Rover
NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance. Since arriving on the Red Planet in 2004,Opportunity has traveled 25 .01 miles,more than any other wheeled vehicle has on another world.
“This is so remarkable considering Opportunity was intended to drive about 1 kilometer and was never designed for distance,”says John Callas,the Mars Exploration Rover Project Manager.
He works at NASA's Jet Propulsion Laboratory in Pasadena,California.“But what is really importantly is not how many miles the rover has racked up,but how much exploration and discovery we have accomplished over that distance.”
The solar-powered Opportunity and its twin rover,Spirit,landed on Mars 10 years ago on a mission expected to last 3 months. The objective of the rovers was to help scientists learn more about the planet and to search for signs of life,such as the possible presence of water.
Spirit stopped communicating with Earth in March 2010,a few months after it got stuck in a sand pit. But Opportunity has continued to collect and analyze Martian soil and rocks.
During its mission,Opportunity has captured,and sent back to Earth,some 187,000 panoramic and microscopic images of Mars with its cameras. It has also provided scientists with data on the planet's atmosphere,soil,rocks,aid terrain.
The rover doesn't seem to be ready to stop just yet. If Opportunity can continue on,it will reach another major investigation site when its odometer hits 26.2 miles. Opportunity has beer working on Mars since January 2004.
Researchers believe that clay minerals exposed near Marathon Valley could hold clues to Mars's ancient environment. Opportunity's continuing travels will also help researchers as the, plan for an eventual human mission to the Red Planet.

Opportunity is a record breaking rover in the sense of________.
A: how long is has stayed in space
B: how far it has traveled
C: how much investment it has involved
D: how many facilities it has been equipped with

答案：B
解析：
根据第一段“NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance.”可知，“机遇号”比任何漫游车行驶的距离都长。故选B。


从第二、三段可知，“机遇号”并不是为长途行驶而设计的，它本来预定只能行驶大约一千米。因此“机遇号”在被设计时，约翰并没有准确地知道它的价值。故本题选 B。


由第四段“The objective of the rovers was to help scientists learn more about the planet and to search for signs of life , such as the possible presence of water.”可知，把“机遇号”和 “勇气号”送上火星的目的之一是寻找生命的迹象。故本题选D。


根据文章最后两段可知，如果“机遇号”继续行驶的话，在它行驶到26.2英里的时候，它就会到达另一个重要的研究场地——马拉松谷，因此C项正确。倒数第二段第一句说，“机遇号”不会止步于此，故A项错误。B、D项文中并未提到。


由最后一段可知，“机遇号”接下来的工作能够帮助研究人员实施人类最终登陆火星的计划。故B项“科学家正努力把更多的人类送上火星”是正确答案。

第6题：

At the first sight the planet Mars does not appear very welcome to any kind of life．It has very little oxygen and water,the temperature at night is below-50~Cand winds of 100 miles per hour cause severe dust storms．However,the surface of the planet seems to show that water flowed across it some time in the past,and it is believed that there is enough ice at the poles to cover the planet with water if it melts．Although there is no life on the Mars now,some scientists think that there may have been some form of life long time ago．At that time,the planet had active volcanoes;the atmosphere was thicker and warmer;and there was water．In fact,in some ways the Mars may have been similar to the Earth,where life exists.
Some people believe that the Mars could support life in the future if the right conditions were produced．The first step would be to warm the planet using certain gases which trap the Sun's heat in the planet's atmosphere．With warmth,water and carbon dioxide(二氧化碳),simple plants could begin to grow．These plants could slowly make the Mars more suitable for living．It is estimated that the whole process might take between 100,000 and 200,000 years．In the meantime,people could begin to live on the planet in special closed environments．They would provide a lot of useful information about conditions on the Mars and the problems connected with living there.

The author's attitude towards the possibility of life on the Mars in the future is__.

A.doubtful
B.positive
C.negative
D.uninterested

答案：B
解析：
根据全文可以判断，作者对人类在火星上生存的可能性抱着积极、乐观的态度。

第7题：

共用题干
A Record-Breaking Rover
NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance. Since arriving on the Red Planet in 2004,Opportunity has traveled 25 .01 miles,more than any other wheeled vehicle has on another world.
“This is so remarkable considering Opportunity was intended to drive about 1 kilometer and was never designed for distance,”says John Callas,the Mars Exploration Rover Project Manager.
He works at NASA's Jet Propulsion Laboratory in Pasadena,California.“But what is really importantly is not how many miles the rover has racked up,but how much exploration and discovery we have accomplished over that distance.”
The solar-powered Opportunity and its twin rover,Spirit,landed on Mars 10 years ago on a mission expected to last 3 months. The objective of the rovers was to help scientists learn more about the planet and to search for signs of life,such as the possible presence of water.
Spirit stopped communicating with Earth in March 2010,a few months after it got stuck in a sand pit. But Opportunity has continued to collect and analyze Martian soil and rocks.
During its mission,Opportunity has captured,and sent back to Earth,some 187,000 panoramic and microscopic images of Mars with its cameras. It has also provided scientists with data on the planet's atmosphere,soil,rocks,aid terrain.
The rover doesn't seem to be ready to stop just yet. If Opportunity can continue on,it will reach another major investigation site when its odometer hits 26.2 miles. Opportunity has beer working on Mars since January 2004.
Researchers believe that clay minerals exposed near Marathon Valley could hold clues to Mars's ancient environment. Opportunity's continuing travels will also help researchers as the, plan for an eventual human mission to the Red Planet.

Which of the following statements is true of Opportunity?
A: It will come back to earth soon.
B: Another rover will be sent to replace it.
C: It is travelling to another major investigation site.
D: It will work with other rovers exploring Mars.

答案：C
解析：
根据第一段“NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance.”可知，“机遇号”比任何漫游车行驶的距离都长。故选B。


从第二、三段可知，“机遇号”并不是为长途行驶而设计的，它本来预定只能行驶大约一千米。因此“机遇号”在被设计时，约翰并没有准确地知道它的价值。故本题选 B。


由第四段“The objective of the rovers was to help scientists learn more about the planet and to search for signs of life , such as the possible presence of water.”可知，把“机遇号”和 “勇气号”送上火星的目的之一是寻找生命的迹象。故本题选D。


根据文章最后两段可知，如果“机遇号”继续行驶的话，在它行驶到26.2英里的时候，它就会到达另一个重要的研究场地——马拉松谷，因此C项正确。倒数第二段第一句说，“机遇号”不会止步于此，故A项错误。B、D项文中并未提到。


由最后一段可知，“机遇号”接下来的工作能够帮助研究人员实施人类最终登陆火星的计划。故B项“科学家正努力把更多的人类送上火星”是正确答案。

第8题：

At the first sight the planet Mars does not appear very welcome to any kind of life．It has very little oxygen and water,the temperature at night is below-50~Cand winds of 100 miles per hour cause severe dust storms．However,the surface of the planet seems to show that water flowed across it some time in the past,and it is believed that there is enough ice at the poles to cover the planet with water if it melts．Although there is no life on the Mars now,some scientists think that there may have been some form of life long time ago．At that time,the planet had active volcanoes;the atmosphere was thicker and warmer;and there was water．In fact,in some ways the Mars may have been similar to the Earth,where life exists.
Some people believe that the Mars could support life in the future if the right conditions were produced．The first step would be to warm the planet using certain gases which trap the Sun's heat in the planet's atmosphere．With warmth,water and carbon dioxide(二氧化碳),simple plants could begin to grow．These plants could slowly make the Mars more suitable for living．It is estimated that the whole process might take between 100,000 and 200,000 years．In the meantime,people could begin to live on the planet in special closed environments．They would provide a lot of useful information about conditions on the Mars and the problems connected with living there.

Which is the best title for this passage?

A.The Possibility of Life on the Mars
B.Future Conditions on the Mars
C.The Mars and the Earth
D.A Study of the Climate of the Mars

答案：A
解析：
文章的标题就是文章的中心。作者从火星上曾经有过生命的证明谈到未来通过提高温度而使火星适合生存的设想，表明文章的中心是：火星具有生命存在可能性。

第9题：

共用题干
A Record-Breaking Rover
NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance. Since arriving on the Red Planet in 2004,Opportunity has traveled 25 .01 miles,more than any other wheeled vehicle has on another world.
“This is so remarkable considering Opportunity was intended to drive about 1 kilometer and was never designed for distance,”says John Callas,the Mars Exploration Rover Project Manager.
He works at NASA's Jet Propulsion Laboratory in Pasadena,California.“But what is really importantly is not how many miles the rover has racked up,but how much exploration and discovery we have accomplished over that distance.”
The solar-powered Opportunity and its twin rover,Spirit,landed on Mars 10 years ago on a mission expected to last 3 months. The objective of the rovers was to help scientists learn more about the planet and to search for signs of life,such as the possible presence of water.
Spirit stopped communicating with Earth in March 2010,a few months after it got stuck in a sand pit. But Opportunity has continued to collect and analyze Martian soil and rocks.
During its mission,Opportunity has captured,and sent back to Earth,some 187,000 panoramic and microscopic images of Mars with its cameras. It has also provided scientists with data on the planet's atmosphere,soil,rocks,aid terrain.
The rover doesn't seem to be ready to stop just yet. If Opportunity can continue on,it will reach another major investigation site when its odometer hits 26.2 miles. Opportunity has beer working on Mars since January 2004.
Researchers believe that clay minerals exposed near Marathon Valley could hold clues to Mars's ancient environment. Opportunity's continuing travels will also help researchers as the, plan for an eventual human mission to the Red Planet.

It can be inferred from the last paragraph that＿________.
A: experts know how far Opportunity will make in Mars
B:.reseachers are working on sending many more humans to Mars
C: Mars's ancient environment might be exposed with the help of Opportunity
D: Opportunity is supposed to collect clay minerals from Marathon Valley

答案：C
解析：
根据第一段“NASA's Mars rover Opportunity has boldly gone where no rover has gone before—at least in terms of distance.”可知，“机遇号”比任何漫游车行驶的距离都长。故选B。


从第二、三段可知，“机遇号”并不是为长途行驶而设计的，它本来预定只能行驶大约一千米。因此“机遇号”在被设计时，约翰并没有准确地知道它的价值。故本题选 B。


由第四段“The objective of the rovers was to help scientists learn more about the planet and to search for signs of life , such as the possible presence of water.”可知，把“机遇号”和 “勇气号”送上火星的目的之一是寻找生命的迹象。故本题选D。


根据文章最后两段可知，如果“机遇号”继续行驶的话，在它行驶到26.2英里的时候，它就会到达另一个重要的研究场地——马拉松谷，因此C项正确。倒数第二段第一句说，“机遇号”不会止步于此，故A项错误。B、D项文中并未提到。


由最后一段可知，“机遇号”接下来的工作能够帮助研究人员实施人类最终登陆火星的计划。故B项“科学家正努力把更多的人类送上火星”是正确答案。

第10题：

Which statement is true？（）

  • A、An IPv6 address is 64 b long and is represented as hexadecimal characters.
  • B、An IPv6 address is 32 b long and is represented as decimal digits.
  • C、An IPv6 address is 128 b long and is represented as decimal digits.
  • D、An IPv6 address is 128 b long and is represented as hexadecimal characters

正确答案:D

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