Animals Can Sense Natural Disasters
Among the dead in South Asia’ s tsunami(海嘯)were many tourists at Sri Lanka’ s national wildlife park at Yala. But very few of the park’s animals — elephants, buffaloes, monkeys and wild cats — appear to have died. There are theories that animals can sense natural disasters and run away to safety.
First, it’s possible that the animals may have heard the quake before the tsunami hit. The underwater burst produced sound waves known as infrasound(次聲). Humans can’t hear infrasound, but many animals including dogs, elephants, tigers and pigeons can.
A second early warning sign the animals might have sensed is ground vibration(震動). The great quake would have produced vibrational waves known as Rayleigh waves. These vibrations move through the ground like waves moving on the surface of the ocean but faster. They travel at ten times the speed of sound. The Rayleigh waves would have reached Sri Lanka hours before the water hit. Mammals, birds, insects and spiders can sense Rayleigh waves. So the animals at Yala might have felt the Rayleigh waves and then run to higher ground.
But what about humans? While we can’t hear infrasound, we can feel it, although we don’t necessarily know we’re feeling it. We also experience Rayleigh waves by special sensors in our joints(關(guān)節(jié)), which exist just for that purpose. Sadly, it seems we don’t pay attention to the information when we get it. Maybe we screen it out because there’s so much going on before our eyes and in our ears.
【小題1】Why did few animals at Yala die when the tsunamis that caused a huge number of human deaths hit?
A.Because human beings cannot hear the infrasonic sound. |
B.Because the animals were staying at a higher place in the park. |
C.Because the animals were able to run much faster than human beings. |
D.Because the animals might have picked up the danger signals and ran away. |
A.Rayleigh waves can be felt both by animals and human beings. |
B.Rayleigh waves, just like infrasonic sound, can only be felt by animals. |
C.Rayleigh waves are vibrational waves that usually cause quakes or tsunamis. |
D.Rayleigh waves move on the ocean surface at a speed ten times that of sound waves. |
A.We can’t feel the infrasound so we can’t be informed of the danger. |
B.We ignore the information of tsunami’s coming even though we can also get it. |
C.We were so busy on our minds that we feel neither infrasound nor Rayleigh waves. |
D.We can feel Rayleigh waves and infrasound so we can escape the danger like animals. |
【小題1】D
【小題2】A
【小題3】B
解析試題分析:本文分析了動物為什么可以逃開自然災(zāi)害?尤其分析了在這次的海嘯中很多的短文逃生的原因。
【小題1】D 細節(jié)題。根據(jù)第一段最后一句There are theories that animals can sense natural disasters and run away to safety.說明動物似乎已經(jīng)能夠感覺到危險,會早點逃開。D正確。
【小題2】A 細節(jié)題。根據(jù)文章3,4段We also experience Rayleigh waves by special sensors in our joints(關(guān)節(jié)), which exist just for that purpose. 和Mammals, birds, insects and spiders can sense Rayleigh waves.說明動物和人都可以感覺到Rayleigh waves.故A正確。
【小題3】B 細節(jié)題。根據(jù)文章倒數(shù)第二行it seems we don’t pay attention to the information when we get it.說明B正確。
考點:考查科普類短文閱讀
點評:本文分析了動物能夠避開自然災(zāi)害的原因,屬于科普類短文,此類文章的最大的障礙是詞匯以及考生對閱讀內(nèi)容的不熟悉,需要考生在閱讀的時候有足夠的耐心。要養(yǎng)成在上下文串聯(lián)中猜測詞義的能力,根據(jù)上下文中出現(xiàn)的同義詞,近義詞,反義詞,以及詞義的解釋來理解生詞。同時要抓住文章的中心,不要受其他信息的影響。要根據(jù)題目及選項以及文章的上下文串聯(lián)合理的判斷推理
科目:高中英語 來源:河南省新鄉(xiāng)市2010屆高三下學期第四次模擬考試試卷(英語) 題型:閱讀理解
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Address: Stoneywood Circle, Mableton, GA, 30126
Please help up find our missing boy. He escaped through the backyard fence this morning. Weighing pounds, he is black and wearing a blue collar. He was last seen beside the Cooper Lake. If anyone finds it, please call us. Thanks.
Meghan: 678-458-2045
Dave: 678-350-6959
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1.The purpose of the text is to____________.
A.tell people to be careful with their things
B.show how many things are lost or found
C.help people find the things they have lost
D.list the information about the lost things
2.All the four pieces of information include___________ .
A.the exact and detailed addresses of the four people
B.the places where the things were lost or found
C.the colors and sizes of the lost or found things
D.the ways in which the things were lost or found
3.If you find a black dog with a blue collar beside the Cooper Lake, you may call__________.
A.Meghan at 718-322-5809 B.Julia at 834-600-2316
C.Cindy at 678-458-2045 D.Dave at 678-350-6959
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C
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Please help up find our missing boy. He escaped through the backyard fence this morning. Weighing pounds, he is black and wearing a blue collar. He was last seen beside the Cooper Lake. If anyone finds it, please call us. Thanks.
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C.help people find the things they have lost
D.list the information about the lost things
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A.the exact and detailed addresses of the four people
B.the places where the things were lost or found
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58. Jane is longing for a break from school life. She wants to try something different and exciting. She is especially interested in mountain biking and water sports.
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______________________________________________________________
Summer’s almost here, and a summer camp near you
provides piles of summer fun…
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E ☆ NORTH CAROLINA: Camp Bud Schiele (Piedmont Council, 1222 E. Franklin Blvd, Gastonia, NC 28053; [704] 864-2694): Learn about the environment of the area while taking trips deep into the woods. Then spend Friday testing what you’ve learned against other groups. Activities are in some of the most untouched wilderness areas across the state. |
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