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阅读理解。     Scientists warn today that the Atlantic bluefin tuna(金枪鱼)faces disappearance unless certain
action is taken. They used electronic ways to track the movement of the powerful fish from the
Gulf of Mexico to the Mediterranean, and report today in the journal Nature that meals of sushi
and sandwiches with tuna worldwide are more dangerous than anyone has imagined.
     The bluefin tuna can live for 30 years, grow to three metres in length and weigh as much as
700kg. A good one can fetch as much as ? 52,000 in the Tokyo fish markets. "In my lifetime,
we"ve brought this big fish to the doorstep of death in the western Atlantic Ocean," said Barbara
Block of Stanford University in California. "The electronic way of tracks provides the best scientific
information we"ve ever had to manage these tuna and we must, as an international community, start
to act actively to make sure of the future of this fish. "
      Scientists have repeatedly said that the harvest of the seas cannot be as good as before. There
are fewer and fewer fish in around Newfoundland, North Sea and Iceland, so fishermen have
pushed further offshore in search of deep ocean fish. Tuna-in the Mediterranean and Japan-have
been under increasing pressure for years. The International Commission on the Conservation of
Atlantic Tuna has tried to manage the fish since 1969.There are two populations: a western one
that has dropped by 80% in the past 30 years, and a larger, eastern population. Although catches
are controlled by 3,000 tons a year in the western fishery, and 32,000 in the east, no one knew
whether the limits worked.
      So Professor Block and her team placed tracks on hundreds of the fish and tracked them to
depths of more than 900 metres and on journeys of thousands of miles, measuring the movement,
body and water temperatures. "There are two ways to save the Atlantic bluefin tuna-protect them
in their production grounds and in their feeding grounds," Prof. Block said. "This will need immediate
action in both the central Atlantic, to reduce the loss of the big fish while hunting, and in the Gulf of
Mexico and Mediterranean, where tuna produce as separate populations. "1. The bluefin tuna in this passage mainly refers to the one _______. A.in the Atlantic
B.in the Pacific  
C.in the Gulf of Mexico  
D.in the Mediterranean2. Which of the following is NOT true according to this passage?A.The bluefin tuna is a kind of large and heavy fish.
B.The number of the bluefin tuna in the sea is getting smaller and smaller.
C.Scientists are worried about the future of the tuna.
D.Scientists think that the harvest of the seas will remain good. 3. The purpose of the passage is to ______. A.tell people a new way has been found to save the bluefin tuna
B.call for action to save the bluefin tuna  
C.warn people not to eat tuna sandwiches anymore
D.help scientists to find a new way to save the bluefin tuna
答案
1-3ADB
核心考点
试题【阅读理解。     Scientists warn today that the Atlantic bluefin tuna(金枪鱼)faces disappe】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
阅读理解。     While football fans feel strongly angry and shocked about mistakes made by referees (裁判) because
they cannot see clearly what has happened, a small German company is quietly pleased.
     For Cairos Technologies, mistakes made by referees are the kind of advertising that money cannot buy. The company has developed a tiny chip(芯片) that fits inside a football and determines whether the ball
has crossed the goal line, by being able to discover its exact location on the field. The world football
organization, FIFA, has shown interest in the technology. It is very possible that the new technology will
be used in the 2006 World Cup in Germany.
     "We"ve been testing the technology at the main soccer stadium in Nuremberg for some time and more
recently in an under-17 FIFA Cup in Peru," said Gunter Rohmer, a director of the company. "The
technology has performed well, and we"re pretty optimistic that it will be used at the games in Germany
next year."
      The chip only weighs 12 grams, and is placed in the center of the football. It sends 2,000 signals a
second to a receiver network of 12 antennas(天线), placed around the field. The receivers then send
information about the ball"s location to a central computer, and because it works in real time, it can
immediately tell the referee whether a goal has been scored. The chip even can tell when the ball crosses
the line in mid-air. Oliver Braun, one of the inventors of the chip, says that feedback from German referees was generally positive. Germany sports-wear giant Adidas is also optimistic about using this kind of chip
in other ball sports.
     FIFA aims to test the technology later this year at another game in Japan before deciding whether or
not to introduce it in all 12 stadiums in Germany for next year"s World Cup.1. Carlos Technologies is pleased because ________.A. football fans are angry with referees
B. their new product can satisfy football fans
C. their new product will have a good market
D. they can sell a lot of football in the future2. In the first sentence in Paragraph 2,"... mistakes made by referees are the kind of advertising that
money cannot buy" means ___________.A. Carlos Technologies can"t afford the high price for advertising their product
B. Mistakes in production are also a kind of advertisement
C. Carios Technologies has already spent a lot of money on advertising their product
D. Referees" mistakes will be of great help for the sale of Carlos Technologies" new product3. The underlined word "feedback" probably means ___________.A. information given back by a user  
B. advice given by someone
C. supplying food to customers      
D. food given back by consumers4. The new product has drawn attention from some _________.A. famous people    
B. Adidas    
C. big companies  
D. countries
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A. The engine in your body.
B. The location, size and heartbeat of a heart.
C. What happens when the heart beats?
D. How does your heart work?
E. How do we know about the heart?
F. What can a doctor tell by feeling your pulse?
阅读理解。
     The $11 billion self-help industry is built on the idea that you should turn negative thoughts like "I
never do anything right" into positive ones like "I can succeed." But was positive thinking advocate
Norman Vincent Peale right? Is there power in positive thinking?
     Researchers in Canada just published a study in the journal Psychological Science that says trying
to get people to think more positively can actually have the opposite effect: it can simply highlight how
unhappy they are.
     The study"s authors, Joanne Wood and John Lee of the University of Waterloo and Elaine Perunovic
of the University of New Brunswick, begin by citing(引用) older research showing that when people
get feedback which they believe is overly positive, they actually feel worse, not better. If you tell your
depressed friend that he has the potential of an Einstein, you"re just underlining his faults. In one 1990s
experiment, a team including psychologist Joel Cooper of Princeton asked participants to write essays
opposing funding for the disabled. When the essayists were later praised for their sympathy, they felt
even worse about what they had written.
     In this experiment, Wood, Lee and Perunovic measured 68 students" self-esteem. The participants
were then asked to write down their thoughts and feelings for four minutes. Every 15 seconds, one
group of students heard a bell. When it rang, they were supposed to tell themselves, "I am lovable."
     Those with low self-esteem didn"t feel better after the forced self-approval. In fact, their moods
turned significantly darker than those of members of the control group, who weren"t urged to think
positive thoughts.
    The paper provides support for newer forms of psychotherapy (心理治疗) that urge people to
accept their negative thoughts and feelings rather than fight them. In the fighting, we not only often
fail but can make things worse. Meditation (静思) techniques, in contrast, can teach people to put
their shortcomings into a larger, more realistic perspective. Call it the power of negative thinking.
1. What do we learn from the first paragraph about the self-help industry?
A. It was established by Norman Vincent Peale.
B. It is based on the concept of positive thinking.
C. It is a highly profitable industry.
D. It has brought positive results.
2. What is the finding of the Canadian researchers?
A. Encouraging positive thinking may do more harm than good.
B. The power of positive thinking is limited.
C. Unhappy people cannot think positively.
D. There can be no simple therapy for psychological problems.
3. What does the author mean by "…  you"re just underlining his faults"?
A. You are pointing out the errors he has made.
B. You are not taking his mistakes seriously enough.
C. You are trying to make him feel better about his faults.
D. You are emphasizing the fact that he is not intelligent.
4. What do we learn from the experiment of Wood, Lee and Perunovic?
A. It is important for people to continually increase their self-esteem.
B. Forcing a person to think positive thoughts may lower their self-esteem.
C. Self-approval can bring a positive change to one"s mood.
D. People with low self-esteem seldom write down their true feelings
完形填空。
     Many language learners think their pronunciation is good enough because their teacher doesn"t correct
them too often or because other students can __1__ them.
     Pronunciation is the area which is __2__ the least attention to in language learning. Most teachers    3   
just let their students speak and stop them __4__ they say something completely wrong. Working on each student"s pronunciation in class is just __5__. Also, the students who are __6__ at pronunciation may be
afraid that it will embarrass their classmates if they help __7__ their mistakes.
     If you believe your pronunciation is good enough to __8__ because it is good enough for your teacher and other students, you may be __9__ when you actually go to a foreign country. One of my friends was
the best student in his __10__ class in Poland. When he went to America, he found Americans didn"t
understand __11__ of what he said.
     Your pronunciation may still be quite __12__ that of a native speaker. If this is the __13__, other
people will find it __14__ to understand what you"re saying and will not be comfortable with you.
     __15__, don"t think you can communicate in a foreign language __16__ you"ve tested your skills
on real native speakers. __17__ for native or nearnative pronunciation so that people you talk to can
communicate with you __18__. In order to achieve this goal, there"s __19__ that you will need to start
thinking about pronunciation and __20__ time on it.
(     )1.A.mistake      
(     )2.A.fixed        
(     )3.A.never        
(     )4.A.only if      
(     )5.A.fantastic    
(     )6.A.poor          
(     )7.A.find out      
(     )8.A.communicate  
(     )9.A.happy        
(     )10.A.Polish      
(     )11.A.none        
(     )12.A.near to      
(     )13.A.same        
(     )14.A.easy        
(     )15.A.In conclusion
(     )16.A.when        
(     )17.A.Stand        
(     )18.A.smoothly    
(     )19.A.no way      
(     )20.A.take        
B.watch        
B.drawn        
B.ever          
B.if only      
B.impossible    
B.well          
B.work out      
B.travel        
B.disappointed  
B.French        
B.half          
B.different from
B.matter        
B.beneficial    
B.In a word    
B.until        
B.Look          
B.difficultly  
B.no need      
B.cost          
C.surround      
C.paid          
C.even          
C.even if        
C.necessary      
C.good          
C.try out        
C.pronounce      
C.surprised      
C.German        
C.rest          
C.far from      
C.case          
C.convenient    
C.On the contrary
C.unless        
C.Aim            
C.truly          
C.no doubt      
C.spend          
D.understand
D.called    
D.usually    
D.if ever    
D.important  
D.strict    
D.point out  
D.exchange  
D.excited    
D.English    
D.lot        
D.from far  
D.fact      
D.hard      
D.In short  
D.while      
D.Account    
D.practically
D.no wonder  
D.kill      
阅读理解
     Even plants can run a fever, especially when they"re under attack by insects or disease. But unlike
human, plants can have their temperature taken from 3,000 feet away-straight up. A decade ago, adopting the infrared(红外线)scanning technology developed for military purposes and other satellites, physicist
Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are
under stress. The goal was to let farmers precisely target pesticide(***虫剂)spraying rather than rain poison on a whole field, which invariably includes plants that don"t have pest problems.
     Even better, Paley"s Remote Scanning Services Company could detect crop problems before they
became visible to the eye. Mounted on a plane flown at 3,000 feet at night, an infrared scanner measured
the heat emitted by crops. The data were transformed into a colourcoded map showing where plants were running "fevers". Farmers could then spotspray, using 50 to 70 percent less pesticide than they otherwise
would.
     The bad news is that Paley"s company closed down in 1984, after only three years. Farmers resisted
the new technology and longterm backers were hard to find. But with the renewed concern about
pesticides on produce, and refinements in infrared scanning, Paley hopes to get back into operation.
Agriculture experts have no doubt the technology works. "This technique can be used on 75 percent of
agricultural land in the United States, " says George Oerther of Texas A & M. Ray Jackson, who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only if Paley finds the financial backing which he failed to obtain 10 years ago.
1. Plants will send out an increased amount of heat when they are________.
A. facing an infrared scanner
B. sprayed with pesticides
C. in poor physical condition
D. exposed to excessive sun rays
2. In order to apply pesticide spraying precisely, we can use infrared scanning to________.
A. estimate the damage to the crops
B. draw a colourcoded map
C. measure the size of the affected area
D. locate the problem area
3. Farmers can save a considerable amount of pesticide by________.
A. resorting to spotspraying
B. transforming poisoned rain
C. consulting infrared scanning experts
D. detecting crop problems at an early stage
4. The application of infrared scanning technology to agriculture met with some difficulties-________.
A. its high cost
B. the lack of official support
C. the lack of financial support
D. its failure to help increase production
5. Infrared scanning technology may be brought back into operation because of________.
A. full support from agricultural experts
B. growing concern about the excessive use of pesticides on crops
C. the forceful promotion by the Department of Agriculture
D. the desire of farmers to improve the quality of their produce