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    Throughout history man has had to accept the fact that all living things must die.But people now live longer than they 1 .Yet.all living things still show the 2 of aging.which will eventually 3 death. Aging is not a disease.but as a person passes maturity .the cells of the body and the 4 they form do not function as well as they 5 in childhood and teenage years.The body provides less 6 against disease and is more 7 to have accident. A number of related causes may 8 aging.Some cells of the body have a fairly long life.but they are not 9 when they die.As a person ages. 10 of brain cells and muscle cells decreases. 11 body cells die and are replaced by new cells.In an aging person the 12 cells may not be as workable or as capable 13 growth as those of a young person. Another 14 in aging may be changes within the cells 15 .Some of the protein chemicals in cells are known 16 with age and become less elastic ．This is why the skin of old people wrinkles and 17 .This is also the reason why old people 18 in height.There may be other more important chemical changes in the cells.Some complex cell chemicals.such as DNA and RNA.store and 19 information that the cells need.Aging may affect this 20 and change the information­carrying molecules so that they do not transmit the information as well. 1A．would B．be used to C．used to D．used 解析:句意:但是人们现在比过去寿命长.used to表示“过去经常做-- .暗示现在并不如此.此处指过去的情况.正好与句意相符.would可表示“过去经常 .但不含“今昔对比 之意.注意该词组与be used to的区别.后者意为“习惯于-- .to为介词.D项之所以不对.是因为在以下词组中.当不定式省略时.通常要保留不定式符号to.如:used to.be going to.mean to.ought to.try to.plan to等. 答案:C 2A.function B．effect C．affect D．sign 解析:根据下文中的定语从句所表示的意义进行判断.这里所填入的单词应该表示“衰老的结果 这一意义.effect意为“结果.影响 .正是此意.function“功能.机能.作用 ,affect“影响.感动 .是动词,sign“标记 .解题时要注意effect和affect拼写只相差一个字母.但effect是名词而affect是动词. 答案:B 3A.lead in B．give in C．run into D．result in 解析:根据主句内容.which引导非限制性定语从句.which表示前面的“衰老的结果 .即:衰老的结果最终导致死亡.result in“使发生.导致 ,lead in无此搭配.在表示“导致 时.应为lead to,give in “让步.屈服 ,run into“陷入 .常指陷入困境. 答案:D 4A.hands B．feet C．heart D．organs 解析:根据上下文及信息词cells可确定句中是指所有的部位.而其他三项所指的都是身体的具体部位. 答案:D 5A.do B．has done C．did D．had done 解析:此句中的did是用来代替前面的动词function.以避免重复.因为这里有一个表示过去的时间状语in childhood and teenage years.所以只能用一般过去时. 答案:C 6A.energy B．protection C．vigor D．power 解析:protection“保护.保护物 .和介词against或from连用.译为“保护--免遭-- .句意:身体此时的免疫力下降.易于患病.energy“精力.活力 ,vigor“力量.活力 ,power“权力.力气 . 答案:B 7A.likely B．probable C．possible D．alike 解析:likely.possible和probable它们三者都表示“可能 .均可以构成:It is possible/probable/likely+that从句.但probable和possible不能用于sb.is possible/probable to do sth.句型中.alike“相似的 .不符合句意. 答案:A 8A.attend to B．contribute to C．add to D．devote to 解析:句意:有一些相关的原因可能促使人衰老.contribute to“有助于.起作用.促成 .此意义符合题意.attend to“专心于 ,add to“增加.把--添加到-- ,devote to“致力于.献身于 .这四个词组中的to都是介词.要注意它和不定式符号to的区别. 答案:B 9A.replaced B．reborn C．recovered D．surrendered 解析:此句与下文相对应.根据下文第十一空之后出现的replace 可确定该空选replaced,reborn“新生的.复活的 ,recovered“恢复 ,surrendered“屈服 . 答案:A 10A.a number B．the amount C．the number D．a great deal 解析:根据此句的谓语动词decreases可确定其主语应为the number.表示“--的数量 .作主语时.应该使用单数的谓语动词,a number of“许多.大量 常用来修饰复数名词.作主语时.要使用复数谓语动词,the amount of“--的数量是 .常接不可数名词,a great deal of“大量的 .后接不可数名词. 答案:C 11A.The others B．The other C．Another D．Other 解析:根据这一段里谈到的不同情况的细胞.上文用了some cells of the body不能再生.很显然下文中用other body cells可以被新的细胞所代替.这样other与上文的some相呼应.其他词都不能起此作用. 答案:D 12A.old B．left C．new D．other 解析:根据上文的意思.这里还在继续谈论第二种可再生细胞.即:the new cells. 答案:C 13A.to B．for C．of D．in 解析:be capable of是固定搭配.表示“有--的能力 .句意:老年人的新细胞的发展能力不如年轻人的强.其他介词不与capable搭配. 答案:C 14A.factor B．effect C．reason D．element 解析:这一段的内容是和上段相对应的.所需词相当于上段第一句中的cause.指造成一种事实或现象的原因.所以选用factor.表“因素.要素 .其他几个词虽然语意相近.但所强调的重点并不相同.effect“结果 ,reason“原因 .用来说明一种看法或行为的理由,element“元素 . 答案:A 15A.for themselves B．of themselves C．themselves D．on their own 解析:句意:另一个导致衰老的因素是细胞内本身的变化.由此可得出.空格处需填一个作同位语的名词或代词.那么四个选项中.就只有themselves可担当此任.即:反身代词themselves作cells的同位语. 答案:C ge B．to have changed C．to change D．to be changed 解析:本句是被动句式.其主动句式是:It is known that some of the protein chemicals in cells change with age and become less elastic.句意:大家知道细胞内有些蛋白质随着年龄的增大而改变.变得没有那么有弹性.在叙述一般性事物时.动词know之后的不定式不用进行式和完成式. 答案:C 17A.hangs loose B．hangs loosely C．is hanging loosely D．is hanging loose 解析:hang在这里用作系动词.后面须接一个形容词作表语.类似的动词还有rise.shine.sit.lie等.本句除了要注意hang是系动词外.还要注意时态的选择.因为通篇文章所谈论的是人人都要变老的客观事实.所用时态都为一般现在时.不能用进行时. 答案:A 18A.increase B．shrink C．lengthen D．decrease 解析:句意:这就是为什么老人的身高会收缩的原因.因此表“收缩 的只有shrink,increase“增加 和lengthen“变长 与题意不符, decrease“减少 .一般强调量的减少.也不符合题意. 答案:B 19A.pass away B．pass by C．pass off D．pass on 解析:根据上下文内容应选pass on.表示“把--传给另一个.转移 .句中store and pass on information指“储存和传递信息 .符合句意.其他三个选项都不符合句意.pass away“去世 ,pass by“经过.从--旁边走过 ,pass off“逐渐消失.停止 . 答案:D 20A.improvement B．procession C．approach D．process 解析:从通篇文章所叙述的人的衰老的过程分析.我们应该在此处选填process.表示“自然的过程.进程 .符合上下文意义.即:衰老可能影响这种进程和改变信息,improvement“改良 ,procession“队伍.行列 ,approach“方式.方法 . 答案:D 【查看更多】

     

    题目列表(包括答案和解析)

    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

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    完形填空
         Throughout history man has had to accept the fact that all living things must die. But people now live
    longer than they__1__.Yet, all living things still show the__2_of aging, which will eventually__3__death.
         Aging is not a disease, but as a person passes maturity (成熟期), the cells of the body and the__4__
    they form do not function as well as they__5__in childhood and teenage years. The body provides less
    __6__against disease and is more__7__to have an accident.
         A number of related causes may__8__to aging. Some cells of the body have a fairly long life, but they
    are not__9__when they die. As a person ages,    10    of brain cells and muscle cells decreases.  11 
     body cells die and are replaced by new cells. In an aging person the  12   cells may not be as workable
    or as capable   13  growth as those of a young person.
        Another  14   in aging may be changes within the cells 15  . Some of the protein chemicals in cells are
    known  16  with age and become less elastic (有弹性). This is why the skin of old people wrinkles and
      17  . This is also the reason why old people 18  in height. There may be other more important chemical
    changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and  19   information
    that the cells need. Aging may affect this  20   and change the informationcarrying molecules so that they
    do not transmit the information as well.
    (     )1．A. would            
    (     )2．A. function        
    (     )3．A. lead in          
    (     )4．A. hands            
    (     )5．A. do              
    (     )6．A. energy          
    (     )7．A. likely          
    (     )8．A. attend          
    (     )9．A. replaced        
    (     )10．A. a number        
    (     )11．A. The others      
    (     )12．A. old            
    (     )13．A. to              
    (     )14．A. factor          
    (     )15．A. for themselves  
    (     )16．A. change          
    (     )17．A. hangs loose    
    (     )18．A. increase        
    (     )19．A. pass away      
    (     )20．A. improvement     
                                     		 B. be used to      
    B. effect          
    B. give in          
    B. feet            
    B. has done        
    B. protection      
    B. probable        
    B. contribute      
    B. rebuilt          
    B. the amount      
    B. Others          
    B. left            
    B. for              
    B. effect          
    B. of themselves    
    B. to have changed  
    B. hangs loosely    
    B. shrink          
    B. pass by          
    B. procession       
                            		 C. used to            
    C. affect              
    C. run into            
    C. heart              
    C. did                
    C. vigor              
    C. possible            
    C. add                
    C. recovered          
    C. the number          
    C. Another            
    C. new                
    C. of                  
    C. reason              
    C. themselves          
    C. to change          
    C. is hanging loosely  
    C. lengthen            
    C. pass off            
    C. approach                		 D. used                
    D. sign                
    D. result in          
    D. organs              
    D. had done            
    D. power              
    D. alike              
    D. devote              
    D. surrendered        
    D. a great deal        
    D. Other              
    D. other              
    D. in                  
    D. element            
    D. on their own        
    D. to be changed      
    D. is hanging loose    
    D. decrease            
    D. pass on            
    D. process            

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    完型填空。
         Throughout history man has had to accept the fact that all living things must die. But people now live
    longer than they   1  .Yet, all living things still show the   2  of aging, which will eventually    3  death.    
         Aging is not a disease, but as a person passes maturity (成熟期), the cells of the body and the    3  
    they form do not function as well as they    5  in childhood and teenage years. The body provides less    6  against disease and is more   7  to have an accident.
         A number of related causes may   8   to aging. Some cells of the body have a fairly long life, but they
    are not   9   when they die. As a person ages,    10  of brain cells and muscle cells decreases.   11   body
    cells die and are replaced by new cells. In an aging person the   12   cells may not be as workable or as
    capable   13   growth as those of a young person.
         Another   14   in aging may be changes within the cells    15  . Some of the protein chemicals in cells are known   16   with age and become less elastic (有弹性). This is why the skin of old people wrinkles and
      17  . This is also the reason why old people   18   in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and   19   information
    that the cells need. Aging may affect this   20   and change the informationcarrying molecules so that they
    do not transmit the information as well.
    (     )1．A.would          
    (     )2．A.function        
    (     )3．A.lead in        
    (     )4．A.hands          
    (     )5．A.do              
    (     )6．A.energy          
    (     )7．A.likely          
    (     )8．A.attend          
    (     )9．A.replaced        
    (     )10．A.a number      
    (     )11．A. The others    
    (     )12．A.old            
    (     )13．A.to            
    (     )14．A.factor        
    (     )15．A.for themselves
    (     )16．A.change        
    (     )17．A.hangs loose    
    (     )18．A.increase      
    (     )19．A.pass away      
    (     )20．A.improvement        		 B．be used to        
    B．effect            
    B．give in          
    B．feet              
    B．has done          
    B．protection        
    B．probable          
    B．contribute        
    B．rebuilt          
    B．the amount        
    B．Others            
    B．left              
    B．for              
    B．effect            
    B．of themselves    
    B．to have changed  
    B．hangs loosely    
    B．shrink            
    B．pass by          
    B．procession            		 C．used to          
    C．affect            
    C．run into          
    C．heart            
    C．did              
    C．vigor            
    C．possible          
    C．add              
    C．recovered        
    C．the number        
    C．Another          
    C．new              
    C．of                
    C．reason            
    C．themselves        
    C．to change        
    C．is hanging loosely
    C．lengthen          
    C．pass off          
    C．approach              		 D．used            
    D．sign            
    D．result in        
    D．organs          
    D．had done        
    D．power            
    D．alike            
    D．devote          
    D．surrendered      
    D．a great deal    
    D．Other            
    D．other            
    D．in              
    D．element          
    D．on their own    
    D．to be changed    
    D．is hanging loose
    D．decrease        
    D．pass on          
    D．process          

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    完形填空

    　　Throughout history man has had to accept the fact that all living things must die, but people now live longer than they used to．Yet, all 　　1　　 things still show the effect of aging, which will eventually 　　2　　 death．The body and the 　　3　　 they form do not function as well as they 　　4　　 in childhood and adolescence(青春期)．The body provides less 　　5　　 against disease and is more prone(易于……的)　　6　　 accident．

    　　A number of related causes may 　　7　　 to aging．Some cells of the body have a 　　8　　 long life, but they are not 　　9　　 when they die．As a person ages, 　　10　　 of brain cells and muscle cells decreases．Other body cells did and are replaced by new cells．In an aging person the 　　11　　 cells may not be as viable(能生存的)or as capable 　　12　　 growth as those of a young person．

    　　Another factor in aging may be changed within the cells 　　13　　．Some of the protein chemicals in cells 　　14　　 known to change 　　15　　 age and become less elastic．This is why the skin of old people wrinkles and hangs loose．This is also the reason old people shrink in 　　16　　．There may be other more important chemical changes in the cells．Some complex cell chemicals, 　　17　　 DNA and RNA, store and 　　18　　 information that the cells need．Aging may 　　19　　 this process and change the information carrying molecules 　　20　　 they do not transmit the information as well．

    (1)
    [　　]

    A．

    living

    B．

    natural

    C．

    lively

    D．

    lovely

    (2)
    [　　]

    A．

    result in

    B．

    result from

    C．

    end in

    D．

    conclude

    (3)
    [　　]

    A．

    hands

    B．

    brains

    C．

    organs

    D．

    legs

    (4)
    [　　]

    A．

    made

    B．

    did

    C．

    grew

    D．

    had

    (5)
    [　　]

    A．

    prevention

    B．

    protection

    C．

    strength

    D．

    vitamin

    (6)
    [　　]

    A．

    of

    B．

    to

    C．

    with

    D．

    at

    (7)
    [　　]

    A．

    contribute

    B．

    compare

    C．

    strength

    D．

    be drown

    (8)
    [　　]

    A．

    fairly

    B．

    little

    C．

    more

    D．

    less

    (9)
    [　　]

    A．

    repeated

    B．

    replied

    C．

    replaced

    D．

    rearranged

    (10)
    [　　]

    A．

    the amount

    B．

    any amount

    C．

    the number

    D．

    a number

    (11)
    [　　]

    A．

    remaining

    B．

    other

    C．

    old

    D．

    new

    (12)
    [　　]

    A．

    of

    B．

    to

    C．

    with

    D．

    for

    (13)
    [　　]

    A．

    themselves

    B．

    itself

    C．

    by themselves

    D．

    of themselves

    (14)
    [　　]

    A．

    is

    B．

    are

    C．

    was

    D．

    were

    (15)
    [　　]

    A．

    with

    B．

    within

    C．

    for

    D．

    on

    (16)
    [　　]

    A．

    height

    B．

    high

    C．

    heighten

    D．

    higher

    (17)
    [　　]

    A．

    as such

    B．

    as that

    C．

    as though

    D．

    such as

    (18)
    [　　]

    A．

    pass on

    B．

    pass by

    C．

    pass into

    D．

    pass off

    (19)
    [　　]

    A．

    cancel

    B．

    affect

    C．

    benefit

    D．

    damage

    (20)
    [　　]

    A．

    so that

    B．

    providing that

    C．

    in case

    D．

    if

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    Throughout      history man has had to accept        fact that all living things must die.

    A. the; the      B. a; a     C. 不填; the   D. 不填；不填

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