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1、2021年12月英语四级考试真题测试（11）含答案为了帮助广大的考生们备考复习，松鼠哥整理了四级真题的相关信息，希望对参加英语四级考试的同学有所帮助。来做做看吧！Passage OneQuestions 46 to 50 are based on the following passage.Declining mental function is often seen as a problem of old age，but certain aspects of brain function actually begin their decline in young adulthood, a n
2、ew study suggests.The study, which followed more than 2,000 healthy adults between the ages of 18 and 60, found that certain mental functionsincluding measures of abstract reasoning, mental speed and puzzle-solvingstarted to dull as early as age 27.Dips in memory, meanwhile, generally became apparen
3、t around age 37.On the other hand, indicators of a persons accumulated knowledgelike performance on tests of vocabulary and general knowledgekept improving with age, according to findings published in the journal Neurobiology of Aging.The results do not mean that young adults need to start worrying
4、about their memories. Most peoples minds function at a high level even in their later years, according to researcher Timothy Salthouse.These patterns suggest that some types of mental flexibility decrease relatively early in adulthood, but that the amount of knowledge one has, and the effectiveness
5、of integrating it with ones abilities，may increase throughout all of adulthood if there are no dispases, Salthouse said in a news release.The study included healthy, educated adults who took standard tests of memory, reasoning and perception at the outset and at some point over the next seven years.
6、The tests are designed to detect subtle (细微的)changes in mental function, and involve solving Puzzles, recalling words and details from stories, and identifying patterns in collections of letters and symbols.In general, Salthouse and his colleagues found, certain aspects of cognition (认知能力)generally
7、started to decline in the late 20s to 30s.The findings shed light on normal age-related changes in mental function, which could aid in understanding the process of dementia(痴呆),according to the researchers.“By following individuals over time,” Salthouse said, we gain insight in cognition changes, an
8、d may possibly discover ways to slow the rate of decline.”The researchers are currently analyzing, the study participants health and lifestyle to see which factors might influence age-related cognitive changes. 46.What is the common view of mental function?A.It varies from person to person.C.It grad
9、ually expands with age.B.It weakens in ones later years.D.It indicates ones health condition.47.What does the new study find about mental functions?A.Some diseases inevitably lead to their decline.B.They reach a peak at the age of 20 for most people.C.They are closely related to physical and mental
10、exercise.D.Some of them begin to decline when people are still young.48.What does Timothy Salthouse say about peoples minds in most cases?A.They tend to decline in peoples later years.B.Their flexibility determines ones abilities.C.They function quite well even in old age.D.Their functioning is stil
11、l a puzzle to be solved.49.Although peoples minds may function less flexibly as they age, they_.A.may be better at solving puzzlesB.can memorize things with more easeC.may have greater facility in abstract reasoningD.can put what they have learnt into more effective use50.According to Salthouse, the
12、ir study may help us_.A.find ways to slow down our mental decline6.find ways to boost our memoriesC.understand the complex process of mental functioningD.understand the relation between physical and mental health参考答案：46. 正确选项B。It weakens in ones later years.47. 正确选项D。Some of them begin to decline wh
13、en people are still young.48. 正确选项C。They function quite well even in old age.49. 正确选项D。can put what they have learnt into more effective use.50. 正确选项A。find ways to slow down our mental decline.好了，以上是松鼠哥整理的英语四级真题的阅读理解部分（不含听力与作文）。在选词汇时一定要结合句子上下文仔细斟酌，注意辨析词汇。如果自学吃力，不妨试试专业老师的指导，早日拿下四级。备考课程推荐：零基础直达大学四级一步到位，高效直达四级水平；听说读写样样通，培养真正全方位英语能力！点击图片去学习5