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2018年6月英语四级卷1阅读解析,2018年6月四级阅读

作者: 2017威尼斯登陆网站  发布:2019-10-12

  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。以下是英语四级第一套卷的阅读试题解析:

  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。以下为英语四级阅读详解:

  四级阅读Section C第一套

  Passage One

  Passage One

  Questions 46 to 50 are based on the following passage。

  46。

  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。 Not all of them are symptoms of dementia。

  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。

  [定位]memory slips 文章第一段

  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。

  [解析]文章第一段第二句提到了memory slips,作者说如果你有了memory slips你可能不用担心,因为,dementia(痴呆)的症状和记忆衰退中间的区别相当明显。因此选择A不是所有记忆衰退的征兆都意味着痴呆。BC无中生有,D偷梁换柱,文中讲的是after age 50, 不是among。

  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。

  47。

  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。

  C。 Communication within our brain weakens。

  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。

  [定位]We become aged,定位到第三段。

  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。

  [解析]文中提到changes in brain cells can affect communication between different regions of the brain脑细胞的这些变化会影响到脑中不同区域的沟通。因此选C。A选项无中生有,利用常识进行干扰,B偷梁换柱原文只是提到shrink而不是stop functioning,D偷梁换柱Certain parts shrink而不是whole brain

  “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。

  48。

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

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

  A) Not all of them are symptoms of dementia。

  [定位]根据symptom定位到文中第四段和第五段。

  B) They occur only among certain groups of people。

  [解析]文中提到when you forget entire experiences, that’s a red flag。当忘记整个的经验时需要严肃对待了,然后举了不知道怎么用微波炉的例子,也就是忘记了整个的日常流程one’s daily routines选择A选项。B选项具体细节、C选项电影和演员名称都属于日常事务细节,文中提到这些是老年的正常现象。D选项偷梁换柱,文中并没有提到是occasionally偶尔忘记。

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

  49。

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

  D。 Exercise to improve their well-being。

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

  [定位]根据题目找记忆力衰退的应对措施,定位到倒数第二段。

  A) Our interaction skills deteriorate。

  [解析]文中倒数第二段提到人们应该想办法增强认知储存能力(cognitive reserve),而最好的办法在最后一段提到exercise is a known brain booster锻炼是最好的方法,因此选D。A选项偷梁换柱,原文为building up,BC无中生有。

  B) Some parts of our brain stop functioning。

  50。

  C) Communication within our brain weakens。

  D。 Staying active both physically and mentally。

  D) Our whole brain starts shrinking。

  [定位]Dr。 Daffern’s advice定位到最后一段

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

  [解析]该段前半部分举例子说明keep your brain busy and working,后面提到also get physically active因此作者在说让精神(brain)和身体(physical)都要保持活力,答案选D。A选项张冠李戴,having exercise 而不是having checkup。B选项无中生有,C选项张冠李戴并非修复(repair)而是建立认知储存(reserve)能力。

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

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