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2018年6月英语四级第一套卷真题及答案,2018年6月

发布时间:2019-10-04 15:49编辑:外语普及浏览(122)

      2018年上半年全国大学英语四六级考试于6月16日进行,新浪教育24小时全程关注,为你带来第一手四六级考试资讯。以下为部分英语四级阅读真题:

      Section C

      Section A

      Direction: There are 2 passages in this section。 Each passage is followed by some questions or unfinished statement。 For each of them there are four choice and our marked A),B),C) and D)。You should decide on the best choice and nark the corresponding letter on Answer sheet2 with a single line through the centre。

      Directions: In this section, there is a passage with ten blanks。 You are required to select one word for each blank from a list of choices given in a word bank following the passage。 Read the passage through carefully before making your choices。 Each choice in the bank is identified by a letter。 Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre。 You may not use any of the words in the bank more than once。

      Passage One

      Since the 1940s,southern California has had a reputation for smog。 Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of 26 。Gazing down on the city from the Getty Center, an art museum in the Santa Monica Mountains, one would find the view of the Pacific Ocean blurred by the haze(霾)。Nor is the state’s bad air 27 to its south。 Fresno, in the central valley, comes top of the list in America for year-round pollution。 Residents’ hearts and lungs are affected as a 28 。

      Questions 46 to 50 are based on the following passage。

      All of which, combined with California’s reputation as the home of technological 29 ,makes the place ideal for developing and testing systems designed to monitor pollution in 30 。And that is just what Aclima, a new firm in San Francisco, has been doing over the past few months。 It has been trying out monitoring that are 31 to yield minute-to-minute maps of 32 air pollution。 Such stations will also be able to keep an eye on what is happening inside buildings, including offices。

      Losing your ability to think and remember is pretty scary。 We know the risk of dementia (痴呆) increases with age。 But if you have memory slips, you probably needn’t worry。 There are pretty clear differences between signs of dementia and age-related memory loss。

      To this end, Aclima has been 33 with Google’s Street View system。 Davida Herzl, Aclima’s boss, says they have revealed pollution highs on days when San Francisco’s transit workers went on strike and the city’s 34 were forced to use their cars。 Conversely, “cycle to work” days have done their job by 35 pollution lows。

      After age 50, it’s quite common to have trouble remembering the names of people, places and thing quickly, says Dr。 Kirk Daffner of Brigham and Woman’s Hospital in Boston。

      A) assisted I) inhabitants

      The brain ages just like the rest of the body。 Certain parts shrink, especially areas in the brain that are important to learning, memory and planning。 Changes in brain cells can affect communication between different regions of the brain。 And blood flow can be reduced as blood vessels narrow。

      B) collaborating J) innovation

      Forgetting the name of an actor in a favorite movie, for example, is nothing to worry about。 But if you forget the plot of the movie or don’t remember even seeing it, that’s far more concerning, Daffner says。

      C) consequence K) intended

      When you forget entire experiences, he says, that’s “a red flag that something more serious may be involved。” Forgetting how to operate a familiar object like a microwave oven, or forgetting how to drive to the house of a friend you’ve visited many times before can also be signs of something going wrong。

      D) consumers L) outdoor

      But even then, Daffner says, people shouldn’t panic.There are many things that can cause confusion and memory loss, including health problems like temporary stoppage of breathing, high blood pressure, or depression, as well as medications like antidepressants。 Even over-the-counter remedies like antihistamines can contribute to memory loss。

      E) creating M) pollutants

      And the best defense against memory loss is to try to prevent it by building up your brain’s cognitive (认知的) reserve, Daffner says。

      F) detail N) restricted

      “Read books, go to movies, take on new hobbies or activities that force one to think in novel ways,” he says。 In other words, keep your brain busy and working。 And also get physically active, because exercise is a known brain booster。

      G) domestic O) sum

      46。 Why does the author say that one needn’t be concerned about memory slips?

      H) frequently

      A) Not all of them are symptoms of dementia。

      Section C(第一套)

      B) They occur only among certain groups of people。

      Direction: There are 2 passages in this section。 Each passage is followed by some questions or unfinished statement。 For each of them there are four choice and our marked A),B),C) and D)。You should decide on the best choice and nark the corresponding letter on Answer sheet2 with a single line through the centre。

      C) Not all of them are related to one’s age。

      Passage One

      D) They are quite common among fifty-year-olds。

      Questions 46 to 50 are based on the following passage。

      47。 What happens as we become aged according to the passage?

      Losing your ability to think and remember is pretty scary。 We know the risk of dementia (痴呆) increases with age。 But if you have memory slips, you probably needn’t worry。 There are pretty clear differences between signs of dementia and age-related memory loss。

      A) Our interaction skills deteriorate。

      After age 50, it’s quite common to have trouble remembering the names of people, places and thing quickly, says Dr。 Kirk Daffner of Brigham and Woman’s Hospital in Boston。

      B) Some parts of our brain stop functioning。

      The brain ages just like the rest of the body。 Certain parts shrink, especially areas in the brain that are important to learning, memory and planning。 Changes in brain cells can affect communication between different regions of the brain。 And blood flow can be reduced as blood vessels narrow。

      C) Communication within our brain weakens。

      Forgetting the name of an actor in a favorite movie, for example, is nothing to worry about。 But if you forget the plot of the movie or don’t remember even seeing it, that’s far more concerning, Daffner says。

      D) Our whole brain starts shrinking。

      When you forget entire experiences, he says, that’s “a red flag that something more serious may be involved。” Forgetting how to operate a familiar object like a microwave oven, or forgetting how to drive to the house of a friend you’ve visited many times before can also be signs of something going wrong。

      48。 Which memory-related symptom should people take seriously?

      But even then, Daffner says, people shouldn’t panic。 There are many things that can cause confusion and memory loss, including health problems like temporary stoppage of

      A) Totally forgetting how to do one’s daily routines。

      Defense against memory loss is to try to prevent it by building up your brain’s cognitive (认知的) reserve, Daffner says。

      B) Inability to recall details of one’s life experiences。

      “Read books, go to movies, take on new hobbies or activities that force one to think in novel ways,” he says。 In other words, keep your brain busy and working。 And also get physically active, because exercise is a known brain booster。

      C) Failure to remember the names of movies or actors。

      46。 Why does the author say that one needn’t be concerned about memory slips?

      D) Occasionally confusing the addresses of one’s friends。

      A) Not all of them are symptoms of dementia。

      49。 What should people do when signs of serious memory loss show up?

      B) They occur only among certain groups of people。

      A) Check the brain’s cognitive reserve。 C) Turn to a professional for assistance。

      C) Not all of them are related to one’s age。

      C) Stop medications affecting memory。 D) Exercise to improve their well-being。

      D) They are quite common among fifty-year-olds。

      50。 What is Dr Daffner’s advice for combating memory loss?

      47。 What happens as we become aged according to the passage?

      A) Having regular physical and mental checkups。

      A) Our interaction skills deteriorate。

      B) Taking medicine that helps boost one’s brain。

      B) Some parts of our brain stop functioning。

      C) Engaging in known memory repair activities。

      C) Communication within our brain weakens。

      D) Staying active both physically and mentally。

      D) Our whole brain starts shrinking。

      46.A Not all of them are symptoms of dementia。

      48。 Which memory-related symptom should people take seriously?

      解析:找到关键词 memory slips。对应到文章第一段But if you have memory slips, you probably needn’t worry。 There are pretty clear differences between signs of dementia and age-related memory loss。结合题干和原文可知,记忆的小错误并非全是痴呆的症状,而可能是由于年龄大。symptoms和signs为同义替换。顾答案选择A。

      A) Totally forgetting how to do one’s daily routines。

      47。 C Communication within our brain weakens。

      B) Inability to recall details of one’s life experiences。

      解析:根据顺序原则对应文章定位句是Changes in brain cells can affect communication between different regions of the brain。 答案与定位句同义,顾答案C。

      C) Failure to remember the names of movies or actors。

      48。 A Totally forgetting how to do one’s daily routines。

      D) Occasionally confusing the addresses of one’s friends。

      解析:题干关键词,memory-related symptom以及take seriously。定位到But if you forget the plot of the movie or don’t remember even seeing it, that’s far more concerning, Daffner says。关键点在far more concerning故答案选择A。

      49。 What should people do when signs of serious memory loss show up?

      49。 A Check the brain’s cognitive reserve。

      A) Check the brain’s cognitive reserve。 C) Turn to a professional for assistance。

      解析:题干关键词为signs of memory loss。定位到倒数第二段第一句话Defense against memory loss is to try to prevent it by building up your brain’s cognitive (认知的) reserve, Daffner says。故答案为A。

      B) Stop medications affecting memory。 D) Exercise to improve their well-being。

      50。 D Staying active both physically and mentally。

      50。 What is Dr Daffner’s advice for combating memory loss?

      解析:题干关键词Dr Daffner’s advice ,memory loss。定位到文章最后一句。Dr Daffner’s adviceIn other words, keep your brain busy and working。 And also get physically active, because exercise is a known brain booster。

      A) Having regular physical and mental checkups。

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      B) Taking medicine that helps boost one’s brain。

      C) Engaging in known memory repair activities。

      D) Staying active both physically and mentally。

      Section C(第二套)

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