49、clear differences between signs of dementia and age-related memory loss.47. C) Communication within our brain weakens.答案出处：Changes in brain cells can affect communication between different regions of the brain.48. A) Totally forgetting how to doones daily routines.答案出处：Forgetting how to operate a fa 。

50、miliar object like a microwave ovenf 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.49. C) Turn to a professional for assistance.答案出处：Daffner suggests going to your doctor to check on medications.health problemsand othe 。

51、r issues that could be affecting memory.50. D) Staying active both physically and mentally.答案出处：And the best defense against memory loss is to try to prevent by building up your brains cognitive reserve.In other words, keep your brain busy and working. And also get physically activef because exercis 。

52、e is a knownbrain booster.Passage Two文章开头是A letter51. What happened to Darwins letter in the 1970s?B） It was stolen more than once.答案出处：“We realized in the mid-1970s that it was missing,”. likely taken by an intern （实习生）” “The intern likely took the letteragain once nobody was watching it.”52. What。

53、did the FBI do after the recovery of the letter?A) They proved its authenticity.答案出处：Their art crime team recovered the letter but were unable to press charges because the time of limitations had ended. The FBI worked closely with the Archives to determine that the letter was both authentic and defi 。

54、nitely Smithsonian, s property.53. What is Darwins letter about?D) His acknowledgement for help from a professional.答案出处：The letter was written by geologist. Dr. Ferdinand Vandeveer Hayden, for sending him copies of his research into the geology of the region that would become Yellowstone National P 。

55、ark.Darwin to thankan American54. What will the SmithsonianInstitution Archives do with the letter according to Kapsalis?D) Make it available online.答案出处：After it is repaired, we will take digital photos of it and that will be available online.55. What has the past half century witnessed according t 。

56、o Kapsalis?B) Radical changes in archiving practices.答案出处：. Archiving practices have changed greatly since the 1970s,“ says Kapsalis, “and we keep our high value documents in a safe.”2阅读第二套Section A26-30 M N C J F 31-35 KLBIE26. M) pollutants27. N) restricted28. C) consequence29. J) innovation30. F) 。

57、 detail31. K) intended32. L) outdoor33. B) collaborating1.1) ) inhabitants35. E) creatingSection BAs Tourists Crowd Out Locals, VeniceFaces Endangered List36. E Just beyond St. Mark s Square37. J Earlier this year .38. G Venice s deadline passed with .39. C Venice is one of.40. N Then it hits him.41 。

58、. F For a time, UNESCO, .42. B People are cheering and holding .43. L The cityr s current mayorf Luigi Brugnaro .44. D Laura Chigif a grandmother at the marchf .45. H But UNESCO didnf t even hold a vote .Section CPassage one46. C) Help them build a positive attitude towards life.47. A) Earn more mon 。

59、ey.48. C) How long its positive effect lasts.49. D) Their communication with others improved.50. A) Find financial support.Passage Two51. C) They all experienced terrible misfortunes.52. B) The utmost comfort passengers could enjoy.53. A) It was a mere piece of decoration.54. D) The belief that they 。

60、 could never sink with a double-layer body.55. A) She was used to carry troops.3阅读第三套Section A26. C) cast27. L) replaced28. F) efficient29. J) professionals30. E) decorative31. G) electrified1.1) ) photographed33 . B) approach34 . K) quality35 . H) identify长篇阅读36 .F.Asian-American students have been 。

61、 eager participants.37 .C.But instead of bringing families together.38 .LThe issue of the stresses felt by students in elites school39 .E.The district has become increasingly popular with.1.8. .With his letter.41 .K.Not all public opinion.42 .H.Jennifer Lee.43 .D.About 10 minutes44 .A.This fall45 .G 。

62、.Both Asian-American and white families.Section C仔细阅读Passage One46. A) Senesa thinking is stillapplicable today.47. B) It is a teaching tool under development.48. C) It helps them learn their academic subjects better.49. D) They use various ways to explain the materials.50. B) Their emotional involv 。

63、ement.Passage Two51:D) They are beter educated than their counterparts.52. C ) They think it needs further improving.53. B) Job stability and flexibility.54. D) The balance between work and family.55. A) They still view this world as one dominated by males.2018年6月四级翻译1翻译第一套:过去 ， 乘飞机出行对大多数中国人来说是难以想象的 。
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【英语四|6月英语四级详细参考答案(全三套)】