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(福建省三明一中2010届高三上学期第二次月考)

What causes your computer a slow one? The problem lies with changes that occur to the PC's software. The 2 most   51   causes of slowdown (along with easy solutions) are:

Registry errors  -  the most common problem

  Every    52    you load a program, game or file, your PC's software registry is updated with new instructions needed to operate that item.   53   , when the item is removed, these instructions usually remain on your PC.  Every time you run your computer it   54   to carry out these instructions but, because the related program can't be found, it causes a registry error.  Your PC is doing a lot   55   work than it should be and the result is a significantly   56   computer.

  One of the best ways to manage this is with a    57    little tool. This program scans, identifies and    58  registry errors - resulting in a computer that's a lot more like it was when you   59  bought it. 

Spyware and viruses

  Spyware and viruses are software programs that are loaded on your computer   60   your knowledge or permission.  They have various purposes,   61   :

  Changing the default search engine in your browser

  Tracking your web surfing    62 

  Stealing your personal    63  

  Most spyware and viruses get onto our computers through files that we   64   from the internet or as attachments to emails. They tend to   65   up a lot of computing power and as a   66   will significantly slow down the computer.

  The simple rule of thumb to follow is to never download any   67   software programs from companies you do not know and trust, especially screensavers, emoticons and the   68   . In addition, make sure you have a good anti-virus / spyware removal software running at   69   times.

  Follow the above advice and your PC should stay fast and   70   .

51. A. common                    B. ordinary                   C. special                            D. normal

52. A. day                            B. week                        C. time                        D. second

53. A. Although                    B. However                  C. Though                    D. And

54. A. costs                         B. keeps                       C. takes                        D. tries

55. A. more                         B. much                       C. most                        D. least

56. A. faster                         B. slower                     C. quicker                    D. stronger

57. A. easy                          B. funny                       C. neat                        D. dull

58. A. finds                          B. sees                         C. fixes                       D. stores

59. A. first                          B. next                         C. last                          D. second

60. A. without                     B. with                         C. between                   D. for

61. A. including                    B. includes                    C. included                   D. include

62. A. abilities                      B. habits                      C. shortcomings            D. faults

63. A. money                       B. possession                C. happiness                 D. information

64. A. read                           B. search                      C. write                        D. download

65. A. make                         B. turn                         C. take                         D. cut

66. A. rule                           B. hobby                      C. result                             D. start

67. A. free                          B. cheap                       C. expensive                 D. useful

68. A. thing                          B. like                          C. difference                 D. interest

69. A. each                          B. every                       C. some                       D. all

70. A. safe                           B. dangerous                 C. important                 D. useful

  

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