阅读下面的短文,并根据短文后的要求答题。(请注意问题后的字数要求)

If your life feels like it is lacking the power that you want and the motivation that you need,sometimes all you have to do is to shift your point of view.

By training your thoughts to _____________________ the bright side of things,you are more likely to have the strong inspirations.You are less likely to be held back by negative ideas that might limit your performance.

Your life can be greatly improved,and your happiness can also be enriched,when you choose to change your perspective(角度)of thought pattern.Don't leave your future to chance,or wait for things to get better mysteriously on their own.You must go in the direction of your hopes and goals.Begin to build your confidence,and work through problems rather than try to avoid them.Remember that power is not necessarily control over situations,hut the ability to deal with whatever comes your way.

Always believe that good things are possible,and remember that mistakes can be lessons that lead to discoveries.Take your fear and transform it into trust; learn to rise above anxiety and doubt.Turn your “worry hours” into “productive hours”.Take the energy that you have wasted and direct it toward every worthwhile effort that you can be involved in. You will see beautiful things happen when you allow yourself to experience the joys of life. You will find happiness when you adopt positive thinking into your daily routine and make it an important part of your Life

 

76.What's the best title of the passage? (Within 10 words)

77.Fill in the blank with a proper phrase in the second paragraph? (Within 10 words)

78.Which sentence is the closest to the meaning of the following one?

You should believe in yourself and try to solve difficulties instead of escaping from     them.

79.What should you do if you fail in the exam according to this passage? (Within 30 words)

80.Translate the underlined sentence in the last paragraph into Chinese.

 

      Most children,even the youngest of children,are delighted to be around cats and dogs.But these  pets carry plenty of germs and allergens(过敏原),prompting researchers to ask:Are cats and dogs really safe for children?

    A study finds that,contrary to many parents’ fears,owning cats or dog8 does not in crease a child’s risk of developing allergies,and in fact,may actually protect them.The study’s lead author,Dr-Dennis Own by of the Medical College of Georgia,says that even he was “Very surprised”by the results.Own by and colleagues followed more than 470 children form birth to age 6 Or 7,comparing those exposed to cats and dog8 during their first year of life to those who Were not

    By using skin―prick tests for detecting common allergies,the researches found that  contrary  to  what many doctors had been taught for years,children wh0 had lived with a pet were not  at greater risk.

    Even more remarkable,children who had two or more dogs or cats had even  great diction ,up to77 percent,in risk of allergies.Researchers suggest this protective effect  may be the result of early exposure to lots of bacteria that are carried by dogs and cats.Exposing  young children  to  these bacteria helps“exercise”their immune systems early in life  so that they're better able to resist allergic disease8 later.

    There’s something  Very important in that first year of life when the immune system developing that we can retrain it away from an allergic response,”said Dr.William Davis.

    And while researchers are not encouraging parents to buy dogs 0r cats just to reduce a child’s allergy risk,they say if a family already has one or more animals,there’s no need to get rid of them.

     

61.Why do the researchers feel“very surprised”by the results of the study?

  A.Because the results are contrary to their expectation.

  B.Because 80 many children are playing with eats and dogs.

  C.Because parents are so much worried about their children.

  D.Bee-use children with animals may develop allergies easily.

62.Compared with children who have pets,those who haven't

  A.will lose the chance to develop immune system

  B.may suffer allergic diseases more often

  C.will reduce the harm from bacteria

  D.can keep doctors away   

63.It Can be inferred from the passage that

  A.pets are ill-treated by their owners

  B.less families would like to own eats and dogs

  C.keeping pets is a good  way to keep children healthy

  D.the results of the study Call make families with pets feel at ease

64.The underlined word“it”in the fifth paragraph refers to

  A.the early life                             B.an allergic disease

  C.immune system                        D.something important

65.What may be the best title of the passage?

  A.How to protect your kids from allergies

  B.Your pets may be helping your kids

  C.Bacteria do good to your kids   

  D.Advantages of owning pets   

 

It is hard to go after the blue whale, the ocean’s largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio devices to it is difficult, and sightings with bare eyes are too unreliable to give real insight into its behavior.   

So biologists were delighted early this year when, with the help of the Navy, they were able to track a particular blue whale for 43 days, monitoring its sounds. This was possible because of the Navy’s formerly top-secret system of underwater detecting(探测)devices across the oceans.   

Tracking whales is but one example of an exciting new world just opening to civilian(平民的)scientists after the cold war as the Navy starts to share and partly uncover its global network of underwater listening system built over the decades to track the ships of potential(潜在的)enemies.   

Earth scientists announced at a news conference recently that they had used the system for closely monitoring a deep-sea volcanic eruption(爆发)for the first time and that they plan similar studies.   

Other scientists have proposed to use the network for tracking ocean currents and measuring changes in ocean and global temperatures.   

The speed of sound in water is roughly one mile a second-slower than through land but faster than through air. What is most important, different layers of ocean water can act as channels for sounds, focusing them in the same way a stethoscope(听诊器)does when it carries faint noises from a patient’s chest to a doctor’s ear. This focusing is the main reason that even relatively weak sounds in the ocean, especially low―frequency ones, can often travel thousands of miles.   

 

66. The passage is chiefly about           .   

A. an effort to protect an endangered sea species  

B. the civilian use of a military system  

C. the introduction of a U. S. Navy top-secret weapon  

D. a new way to look into the behavior of blue whales  

67. The underwater listening system was originally designed             .   

A. to detect and locate enemy boats  

B. to monitor deep―sea volcanic eruptions  

C. to study the movement of ocean currents  

D. to replace the global radio communications network  

68. What is the closest meaning of the underlined word “to track” in the second paragraph?  

A. to study                       B. to fight against  

C. to follow                        D. to try to kill  

69. It can be inferred from the passage that                 .   

A. new radio devices should be developed for tracking the endangered blue whales  

B. blue whales are no longer endangered with the use of the new listening system  

C. opinions differ as to whether civilian scientists should be allowed to use military technology  

D. military technology has great potential uses outsides. the military forces  

70. Which of the following is true about the U. S. Navy underwater listening net work?  

A. It is now partly accessible to civilian scientists.   

B. It has been replaced by a more advanced system?  

C. It became useless to the military after the cold war.   

D. It is a must in protecting endangered species.   

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