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    Happiness and sadness are states of being states of being that define the way we view the world. It is often said that some people by nature have a sunny character. Now scientists may have discovered why.
    Some people may be hard-wired for happiness, while others are genetically negative, as
    scientists have suggested in a study published in late February, in a British journal Proceedings of the Royal Society B.
    Earlier research had already established that the gene known as 5-HTTLPR plays a key role in
    determining how the neurotransmitter (神经传递素) serotonin (血清素) works within the brain. Serotonin, a hormone (荷尔蒙), passes chemical messages between nerve cells. It has been closely linked to mood. Several anti-depressant (抗抑郁) drugs regulate serotonin levels. Scientists had also identified three variants of the gene. Two so-called "short" variants were linked to a higher risk of depression and suicide attempts. Unlike the two "short" variants, the "long" variant of 5-HTTLPR showed a clear dislike of negative images, such as fierce animals, and a clear liking for positive ones, such as flowers.
    Researchers from the University of Essex in Britain, led by Elaine Fox, showed participants a
    series of images. The images were divided into three kinds: negative ones aimed at inspiring fear or stress such as a spider or person about to commit suicide, pleasant ones and neutral ones.
    “The participants who had the long variant of the 5-HTTLPR gene showed a clear dislike of negative material alongside a careful attention for positive material,” the researchers found. They paid close attention to the pretty pictures, and ignored the frightening ones. On the other hand, the short variant groups had the opposite reaction.
    In January, the Australian government organized "happiness workshops", teaching government
    staff how to be happy. The department that held the "happiness workshops" said unhappy staff weren't productive staff. Australian political opposition parties have argued that the "happiness workshops" are probably a waste of money and couldn't increase productivity as intended. However, whether the workshop will have a happy or disappointing result, we will have to wait and see.
    67．Form the third paragraph, we know that         .
    A．affected by 5-HTTLPR, the neurotransmitter serotonin works within the blood
    B．there are 5 variants of 5-HTTLPR genes which control people’s moods
    C．how the neurotransmitter serotonin works is greatly determined by 5-HTTLPR
    D．5-HTTLPR receives chemical messages from verve cells
    68．What does “It” in the sentence “It has been closely linked to mood.” in the 3rd paragraph refer to?
    A．Serotonin.          B．A nerve cell.        C．5-HTTLPR.         D．The brain.
    69．If a person had the long variant of 5-HTTLPR, he or she would probably         .
    A．like the images of spiders                     B．prefer the images of crocodiles
    C．enjoy an image of green tress                D．suffer from depression very often
    70．What can we infer from the passage?
    A．People’s moods can change a little bit under the influence of certain drugs.
    B．Researchers showed participants of the research two kinds of images.
    C．A person possesses one long and one short variant of 5-HTTLPR at the same time.
    D．The author firmly believes that “happiness workshops” will not change people’s moods.
    67—70  CACA 
    略
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    科目：高中英语 来源：不详 题型：完形填空


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    科目：高中英语 来源：不详 题型：完形填空

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    科目：高中英语 来源：不详 题型：阅读理解


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    科目：高中英语 来源：不详 题型：完形填空

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    科目：高中英语 来源：不详 题型：完形填空

    完形填空（共20小题；每小题1分，满分20分）
    请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
    There are going to be moments in life when you must make very important decisions. You will find many people  36  to offer you advice if you ask for it (and even if you don’t), but always remember that the life you  37  is yours and nobody else’s. It’s important to decide for yourself what’s important to you and what you want before you   38   others. Because while there will be times  39  outside advice proves wise, there will be at least as many times when it proves completely  40 . The only way to really evaluate other folks’ advice is to first learn everything that you can about whatever challenge you are  41 . Once you’ve done that, in most cases you should be able to make a wise decision  42   anyway.
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    against your own   45  .
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    科目：高中英语 来源：不详 题型：阅读理解


    C
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    A. butter           B. sodium                 C. saturated fat         D. pepper
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    A. It is a healthy snack.                        B. It does harm to our health.               C. It looks like a perfect choice.                 D. It is very nutritious.
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    A. Movie theatre popcorn.                                 B. Popcorn sold at Regal Cinemas.          C. Large size popcorn.                                      D. Plain air-popped popcorn.
    67. What is Dr. Nestle's suggestion to moviegoers?
    A. Avoid eating popcorn.                                  B. Share popcorn with friends.              C. Not eating anything in the movie theatre.          D. Try eating other kind of food.

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    科目：高中英语 来源：不详 题型：阅读理解

    Dear Mr. Barton,
    I am writing for the residents’ association (业主协会) to inform you of our feelings about your act. We’ve really had enough of you. Although we have tried to speak to you politely on several occasions, you have always answered with a stream of verbal abuse(辱骂).
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    We strongly demand that you pay for this damage to the window soon. If you don’t and you carry on being a nuisance(令人讨厌的人或物). We will kick you out! Legal steps will be taken if necessary.
    Yours sincerely,
    Resident
    57. What does the writer feel? 
    A. Excited                      B. surprised                  C. Angry               D. Happy
    58. What does the word “deteriorated” mean?
    A. Changed                 B. Improved                C. Moved    D. Worsened
    59. What is the main purpose of the letter?
    A. To ask Mr. Barton to leave the building for the peace.        
    B. To inform Mr. Barton of the noise he made.
    C. To talk about what Mr. Barton did.   D. To give a warning to Mr. Barton.
    60. What is true according to the letter?
    A. Mr. Barton paid no attention to the others’ unhappiness.   
    B. Mr. Barton never replied to the others’ unhappiness
    C. Mr. Barton always said sorry to those unhappy with him.     
    D. Mr. Barton never apologized to the other residents.

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