Why is a full moon, yellower and bigger when it is coming up than when it is higher in the sky?

That's a good question about something that we all can see. Let's talk about the moon's color first.
We see the moon only because of the sunlight that falls on it and is reflected. Actually, the moon is not a very good reflector, because its surface is all rocks and dirt. We see it in almost its true color when it is high in the sky.
When the moon first comes up, its light reaches our eyes after an extra-long path through the atmosphere (大氣). There are lots of particles (微粒) scattering (分散) light in that long path. Blue light is scattered more than other colors, which means that it doesn't reach your eyes. The light that is left over looks yellow to your eye.
Now about the other question—why the moon seems to change in size. That's more complicated. It's not an effect of the atmosphere, the way color is; it's not caused by something fooling your eyes. It seems, instead, to be caused by something that fools your brain—an illusion(錯覺).
Here's a drawing that creates an illusion. The two cones(圓錐體) are really the same size. But the rest of the drawing makes the right-hand cone seem farther away. Your brain knows that faraway objects are really larger than they look. It decides that the right-hand cone must be larger because it seems to be farther away.
Similarly, when you see the moon just come up over a line of trees or houses—or whatever makes the horizon(地平線)—it may be that your brain decides that the moon must be larger because it seems to be farther away.
小題1:The moon doesn't reflect the sunlight very well because________________.
A.it is high in the skyB.its surface is rough
C.its surface is whiteD.it isn't a good reflector
小題2:Which statement is true according to the passage?
A.In the course of its rising, the moon is getting smaller and smaller
B.The size of the moon is more complicated than its color
C.The atmosphere has the same effect on the moon's size as on its color
D.The change in the moon's size is caused by an illusion while that in its color is caused by the atmosphere
小題3:After reading this passage, you can possibly answer one of the following questions. Which one? ______.
A.Why is the sun bigger when it rises over the horizon?
B.Why does the sun look bigger when it rises over the horizon?
C.Why does the sun look golden?
D.Why does the sun rise in the east?
小題4:Who do you think probably wrote this passage?________.
A.A novelistB.A reporter
C.A science editorD.An English teacher.

小題1:B
小題2:D
小題3:B
小題4:C

試題分析:文章介紹了月亮知識,包括顏色,大小,表面的狀況等。
小題1:細節(jié)題:從第三段的句子:because its surface is all rocks and dirt.可知月亮表面太粗糙,所以不能很好反射太陽光。選B
小題2:細節(jié)題:第四段講的四月亮的顏色改變是大氣造成的,第五段講月亮大小改變是人的錯覺。選D
小題3:從最后一段的句子:it may be that your brain decides that the moon must be larger because it seems to be farther away.可知是回答為什么月亮從地平線起來時看起來更大。選B。
小題4:這是一篇介紹月亮知識的文章,屬于科普類短文,作者也是。選C
點評:文章比較抽象,但題目并不難,集中考查了細節(jié)題,題目設置較為合理,涵蓋了全篇文章內(nèi)容,在做題的時候,準確確定考點,準確判斷就行。
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What will man be like in the future—in 5000 or even 50, 000 years from now? We can only make guesses, of course, but we can be sure that he will be different from what he is today, for man is slowly changing all the time.
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But what about hair? This will probably disappear from the body altogether in course of time because it does not serve a useful purpose any longer. In the future, then, both sexes are likely to be bald.
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科目:高中英語 來源:不詳 題型:閱讀理解

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科目:高中英語 來源:不詳 題型:閱讀理解

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閱讀下面的短文,并根據(jù)短文后的要求答題。(請注意問題后的字數(shù)要求)
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科目:高中英語 來源:不詳 題型:閱讀理解

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C.the aging off office computersD.the survey by care4@ free. net
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D.They are easier to be satisfied with new technology.
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科目:高中英語 來源:不詳 題型:完形填空

It is interesting how NASA(美國航空航天管理局)chose their astronauts for landing them on the moon. They chose men  26  the age of twenty and thirty-five. There were about fifty of them, Many were  27  air pilots.  28 were scientists with two or three degrees. NASA telephoned each man they were going to choose; told him the plans and the  29  they might get in. They then asked him if he was willing to be trained as an astronaut. “How could any man  30 such an exciting job?” One of them said, “Dangerous? Of course. It’s dangerous  31 most exciting”
The health and physical condition of  32 was, of course, very necessary.  33  those in very good health and physical condition were chosen.
While being trained to be astronauts. They went through many  34 . They studied the star and the moon, and they also studied geology, the science of rocks. This was necessary  35  astronauts would have to look for rocks on the moon. They would try to find rocks which might help to tell the  36 of the moon. They were all  37 to fly in helicopters (直升飛機)。These helicopters landed  38 down to give them some experience of the way the spaceship would  39 land on the moon , They were also taught the  40  facts about the conditions in space. They learnt all the technical details of the spaceships and rockets. They visited the scientists and engineers who  41 them. They visited the factories where they were  42. They learnt how every 43 of a space-ship and its instruments work. They also learnt every detail of ground-control  44 .
In a word, to be chosen as an astronaut. One must be in good health,  45  in science and good at piloting.
小題1:
A.a(chǎn)tB.betweenC.ofD.on
小題2:
A.experiencedB.oldC.trainedD.young
小題3:
A.NoneB.FewC.OthersD.They
小題4:
A.dangersB.sadnessC.hardshipD.troubles
小題5:
A.a(chǎn)cceptB.receiveC.offerD.refuse
小題6:
A.butB.ifC.thoughD.however
小題7:
A.the scientistsB.menC.pilotsD.Young people
小題8:
A.AsB.OnlyC.IfD.Or
小題9:
A.jobsB.placesC.coursesD.ways
小題10:
A.forB.becauseC.sinceD.So that
小題11:
A.storyB.BackgroundC.AgeD.name
小題12:
A.shownB.trainedC.toldD.let
小題13:
A.straightB.straightlyC.indirectlyD.directly
小題14:
A.possiblyB.likelyC.a(chǎn)ctuallyD.really
小題15:
A.not knownB.well-knownC.unknownD.known
小題16:
A.drewB.producedC.designedD.made
小題17:
A.repairedB.builtC.developedD.fixed
小題18:
A.partB.movementC.machineD.body
小題19:
A.houseB.stopC.systemD.station
小題20:
A.well-doneB.well-fedC.well- keptD.well-informed

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科目:高中英語 來源:不詳 題型:閱讀理解


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But even before its release, the report drew criticism from some experts on climate and risk, who questioned its methods and conclusions.
Along with the deaths, the report said that the lives of 325 million people, primarily in poor countries, were being seriously affected by climate change. It projected that the number would double by 2030.
Roger Pielke Jr., a political scientist at the University of Colorado, Boulder, who studies disaster trends, said the Forum’s report was “a methodological embarrassment” because there was no way to distinguish deaths or economic losses related to human-driven global warming amid the much larger losses resulting from the growth in populations and economic development in vulnerable (易受傷害的) regions. Dr. Pielke said that “climate change is an important problem requiring our utmost (極度的) attention.” But the report, he said, “will harm the cause for action on both climate change and disasters because it is so deeply flawed (有瑕疵的).”
However, Soren Andreasen, a social scientist at Dalberg Global Development Partners who supervised the writing of the report, defended it, saying that it was clear that the numbers were rough estimates. He said the report was aimed at world leaders, who will meet in Copenhagen in December to negotiate a new international climate treaty.
In a press release describing the report, Mr. Annan stressed the need for the negotiations to focus on increasing the flow of money from rich to poor regions to help reduce their vulnerability(弱點) to climate hazards(危害)while still curbing (限制) the emissions of the heat-trapping gases. More than 90% of the human and economic losses from climate change are occurring in poor countries, according to the report.
小題1:What is the finding of the Global Humanitarian Forum?
A.Global temperatures affect the rate of economic development.
B.Rates of death from illnesses have risen due to global warming.
C.Malnutrition has caused serious health problems in poor countries.
D.Economic trends have to do with population and natural disasters.
小題2:  What do we learn about the Forum’s report from the passage?
A.It was challenged by some climate and risk experts.
B.It aroused a lot of interest in the scientific circles.
C.It was warmly received by environmentalists.
D.It caused a big stir in developing countries.
小題3: What does Dr. Pielke say about the Forum’s report?
A.Its statistics look embarrassing.
B.It is invalid in terms of methodology.
C.It deserves our closest attention.
D.Its conclusion is purposely exaggerated.
小題4:  What is Soren Andreasen’s view of the report?
A.Its conclusions are based on carefully collected data.
B.It is vulnerable to criticism if the statistics are closely examined.
C.It will give rise to heated discussions at the Copenhagen conference.
D.Its rough estimates are meant to draw the attention of world leaders.
小題5:  What does Kofi Annan say should be the focus of the Copenhagen conference?
A.How rich and poor regions can share responsibility in curbing global warming.
B.How human and economic losses from climate change can be reduced.
C.How emissions of heat-trapping gases can be reduced on a global scale.
D.How rich countries can better help poor regions reduce climate hazards.

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