题目内容
15.Everybody hates rats.But in the earthquake places of the world-Japan,Los Angeles,Turkey-rats will soon be man's new best friends.What happens after an earthquake?We send in rescue(救援) dogs.Why?Because they can smell people.Dogs save lives.They help rescuers to find living people.But dogs are big and they can't get into small spaces.So now a new research project is using a smaller animal to save lives:the rat.
How does it work?First,the rat is trained to smell people.When this happens,the rat's brain gives a signal.This is sent to a small radio on its back,and then the rescuers follow the radio signals.When the rat's brain activity jumps,the rescuers know that someone is alive.The rat has smelled that person.
Although there are already robots which can do this job,rats are better.Christian Linster at Cornell University,New York,says,"‘Robot'noses don't work well when there are other smells around.Rats are good at that."Rats can also see in the dark.They are cheaper and quicker to train than dogs,and unlike robots,they don't need electricity.
The"rat project"is not finished,but Julie Ryan of International Rescue Corps in Scotland says,"It would be fantastic.A rat would get into spaces we couldn't get to and a rat would get out if it wasn't safe."Perhaps for the first time in history,people will be happy to see a rat in a building ( but only after an earthquake,of course.)
46.In the earthquake places,rats will become man's best friends because they canB.
A.take the place of man in rescue jobs
B.find the positions of people alive who are trapped in buildings
C.serve as food for people alive who are trapped in buildings
D.send signals for the coming earthquake
47.The underlined word"that"in Paragraph 4refers to(所指)C
A.treating wounded people.
B.helping rescuers.
C.smelling people among different smells.
D.carry the wounded people to safety.
48.From the third paragraph we know the rescuers can judge a person is alive byC.
A.the nose made by the rat
B.the rat's unusual behavior
C.the signal sent by the radio on the rat's back
D.the smell given off by the person
49.In doing rescue jobs,C.
A.rats have better sense of smell than dogs.
B.dogs don't need to be trained to smell people.
C.robots'sense of smell can be affected by other smells around.
D.rats can see in the dark and are smaller than robots.
50.After reading the passage we can knowD.
A.rats have taken the place of dogs in search for people.
B.the"rat project"has been completed
C.people are now happy to see a rat in a building
D.now people still use dogs and robots in performing rescue.
分析 文章大意:主要描写了在家讨厌的老鼠现在却成了地震后的帮手.
解答 46-50 BCCCD
46题答案:B 细节题.根据文中的第一句Everybody hates rats.But in the earthquake places of the world-Japan,Los Angeles,Turkey-rats will soon be man's new best friends.可知人人讨厌老鼠.但在世界地震的地点--日本、洛杉矶、土耳其--老鼠很快就会成为人类的新的最好的朋友.答案为B
47题答案:C 细节题.根据文章四段内容Although there are already robots which can do this job,rats are better.Christian Linster at Cornell University,New York,says,"‘Robot'noses don't work well when there are other smells around.Rats are good at that."可知老鼠的鼻子能闻,答案为C
48题答案:C 细节题.根据文章三段内容When this happens,the rat's brain gives a signal.This is sent to a small radio on its back,and then the rescuers follow the radio signals.When the rat's brain activity jumps,the rescuers know that someone is alive.The rat has smelled that person.可知收音机在老鼠背上发出的信号,答案为C
49题答案:C 细节题.根据文章四段内容"‘Robot'noses don't work well when there are other smells around.Rats are good at that."Rats can also see in the dark.可知机器人的嗅觉会受到周围其他气味的影响.答案为C
50题答案:D 主旨题.根据文章内容大意可知,机器人和狗仍然是现在的主要力量,答案为D
点评 本文是一篇日常生活类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
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| 78.Eat breakfast every day.A | C.Water helps your body in many ways. |
| 79.Wear a seat belt.B | D.Walking is good exercise,and exercise is necessary for good health. |
80.Have some fruit every day./Eat more vegetables and less junk food./Go to bed early and get up early..
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| Holiday Inn | It's great for its value.It is lying at the foot of the mountain.It provides basic conditions,but the rooms are clean and big enough for a dance.It has a nice swimming pool. |
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50.Mr.& Mrs.Smith live in a noisy street.They are going to the beach for a weekend.They dream of eating seafood by the sea and spending a quiet night.They also hope the hotel rooms are not so expensive.C
A.Holiday Inn
B.Holiday Village
C.Fishermen's Home
D.Alex Centre Hotel
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A.Holiday Inn
B.Holiday Village
C.Fishermen's Home
D.Alex Centre Hotel
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A.Holiday Inn
B.Karin's Hotel
C.Holiday Village
D.Fishermen's Home.