Throughout history man has had to accept the fact that all living things must die. But people now live longer than they 36 . Yet, all living things still show the 37 of aging, which will eventually 38 death. Aging is not a disease, but as a person passes maturity (成熟期), the cells of the body and the 39 they form do not function as well as they 40 in childhood and teenage years. The body provides less 41 against disease and is more 42 to have accident. A number of related causes may 43 aging. Some cells of the body have a fairly long life, but they are not 44 when they die. As a person ages, 45 of brain cells and muscle cells decreases. 46 body cells die and are replaced by new cells. In an aging person the 47 cells may not be as workable or as capable 48 growth as those of a young person. Another 49 in aging may be changes within the cells 50 . Some of the protein chemicals in cells are known 51 with age and become less elastic (有弹性的). This is why the skin of old people wrinkles (皱纹) and 52 . This is also the reason why old people 53 in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and 54 information that the cells need． Aging may affect this 55 and change the information-carrying molecules so that they do not transmit the information as well. 36. A．would B．be used to C．used to D． used 37. A．function B．effect C．affect D． sign 38. A．lead in B．give in C．run into D． result in 39. A．hands B．feet C．heart D． organs 40. A．do B．has done C．did D． had done 41. A．energy B．protection C．vigor D． power 42. A．likely B．probable C．possible D． alike 43. A．attend to B．contribute to C．add to D． devote to 44. A．replaced B．reborn C．recovered D． surrendered 45. A．a number B．the amount C．the number D． a great deal 46. A．The others B．The other C．Another D． Other 47. A．old B．left C．new D． other 48. A．to B．for C．of D． in 49. A．factor B．effect C．reason D． element 50. A．for themselves B．of themselves C．themselves D． on their own 51. A．change B．to have changed C．to change D． to be changed 52. A．hangs loose B．hangs loosely C．is hanging loosely D． is hanging loose 53. A．increase B．shrink C．lengthen D． decrease 54. A．pass away B．pass by C．pass off D． pass on 55. A．improvement B．procession C．approach D． process
Throughout history man has had to accept the fact that all living things must die. But people now live longer than they 36 . Yet, all living things still show the 37 of aging, which will eventually 38 death.
Aging is not a disease, but as a person passes maturity (成熟期), the cells of the body and the 39 they form do not function as well as they 40 in childhood and teenage years. The body provides less 41 against disease and is more 42 to have accident.
A number of related causes may 43 aging. Some cells of the body have a fairly long life, but they are not 44 when they die. As a person ages, 45 of brain cells and muscle cells decreases. 46 body cells die and are replaced by new cells. In an aging person the 47 cells may not be as workable or as capable 48 growth as those of a young person.
Another 49 in aging may be changes within the cells 50 . Some of the protein chemicals in cells are known 51 with age and become less elastic (有弹性的). This is why the skin of old people wrinkles (皱纹) and 52 . This is also the reason why old people 53 in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and 54 information that the cells need． Aging may affect this 55 and change the information-carrying molecules so that they do not transmit the information as well.
36. A．would B．be used to C．used to D． used
37. A．function B．effect C．affect D． sign
38. A．lead in B．give in C．run into D． result in
39. A．hands B．feet C．heart D． organs
40. A．do B．has done C．did D． had done
41. A．energy B．protection C．vigor D． power
42. A．likely B．probable C．possible D． alike
43. A．attend to B．contribute to C．add to D． devote to
44. A．replaced B．reborn C．recovered D． surrendered
45. A．a number B．the amount C．the number D． a great deal
46. A．The others B．The other C．Another D． Other
47. A．old B．left C．new D． other
48. A．to B．for C．of D． in
49. A．factor B．effect C．reason D． element
50. A．for themselves B．of themselves C．themselves D． on their own
51. A．change B．to have changed C．to change D． to be changed
52. A．hangs loose B．hangs loosely C．is hanging loosely D． is hanging loose
53. A．increase B．shrink C．lengthen D． decrease
54. A．pass away B．pass by C．pass off D． pass on
55. A．improvement B．procession C．approach D． process
题目解答
答案
解析
文章讨论了人类寿命的延长以及衰老对身体的影响。衰老不是疾病，但随着年龄的增长，身体细胞和器官的功能会逐渐下降，导致身体对疾病的抵抗力减弱，更容易发生事故。
步骤 2：分析问题
问题要求选择合适的单词或短语填入空白处，以使文章通顺并符合逻辑。
步骤 3：逐个分析选项
36. C；used to 意为“过去常常”，符合语境。
37. B；effect 意为“影响”，符合语境。
38. D；result in 意为“导致”，符合语境。
39. D；organs 意为“器官”，符合语境。
40. C；did 意为“做”，符合语境。
41. B；protection 意为“保护”，符合语境。
42. A；likely 意为“可能的”，符合语境。
43. B；contribute to 意为“促成”，符合语境。
44. A；replaced 意为“替换”，符合语境。
45. C；the number 意为“数量”，符合语境。
46. D；Other 意为“其他的”，符合语境。
47. C；new 意为“新的”，符合语境。
48. C；capable of 意为“有能力的”，符合语境。
49. A；factor 意为“因素”，符合语境。
50. C；themselves 意为“它们自己”，符合语境。
51. C；to change 意为“改变”，符合语境。
52. A；hangs loose 意为“松垂”，符合语境。
53. B；shrink 意为“收缩”，符合语境。
54. D；pass on 意为“传递”，符合语境。
55. D；process 意为“过程”，符合语境。