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[PETS四级] 英语等级四级考试阅读讲解九

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发表于 2012-8-14 13:19:23 | 显示全部楼层 |阅读模式
完型填空与阅读' p7 g* |# H( F# G5 G2 Y/ y$ {
Use of English0 @" @* V0 T& C6 P) `
该部分共有20 小题。在一篇240-280词的文章中留下20个空白,要求考生从每题所给出的四个选项中选出最佳答案。
9 X' M! c1 s5 H! B% I- F4 B答题时应该考虑以下几个方面:1)通读全文,考虑上下文的含义;2)运用逻辑推理;3)注意惯用法和固定搭配关系。
/ C8 d! P" p. fRead the following text .Choose the best word or phrase marked A. B. C .or D for each numbered blank.
. C7 a8 K4 c! A4 X. ~We often hear the_1_ “Bug” while using computers. But what is a bug? In computer science, a bug _2_ an error in software of hardware. In software, a bug is an error in coding or logic that  to malfunction or to _3_in correct results. Minor bugs, for example a cursor that does not behave as _4_can be inconvenient or frustrating, but not damaging to _5_. More severe bugs can cause a program to “hang” (stop responding to _6_and might _7_the user with no _8_but to restart the program. Losing whatever _9_ work had not been saved. In _10_case, the programmer must find and correct the error by the _11_ known as debugging. Because of the _12_risk to important data, commercial application programs are tested and _13_ as completely as possible before release .Minor bugs found after the program becomes _14_ next update; more _15_bugs can sometimes be fixed with special software, called patches, that circumvents or otherwise _16_its effects. In hardware, a bug is a recurring _17_problem that prevents a system or set of _18_from working together properly. The_19_ of the term reputedly goes back to the early days of computer at Harvard University was _20_to a moth caught between the contacts of a relay in the machine.! ?! z# J! w  {* ]! a8 X
1. a. wording b.term c.diction d.insect1 L! ~, T0 v2 Z
2. a. recurs to b.prefers to c.attributes to d.refers to
. t! \1 [4 a; z, T3. a. produce b. achieve c. recreate d.attain7 z! l" f; S4 r" T& J+ I. x0 t
4. a.expect b.expectation c.expecting d.expected
8 ?* V+ j  C3 ^* G- Q$ r3 y" Q' L5. a. information b.material c.memory d.news" i& W9 V7 i9 w( u5 A
6 a.commands b.monitor c.control d.supervision' s2 D, D0 ?; k* R$ m" X
7. a. grant b.retain c.leave d.reward
9 |& g2 u$ |  _) O' F/ j& r( `" f8. a.alternative b.objective c. collective d.derivative
$ w# _% t7 P# E# n% s9. a.prestigious b. precarious c.previous d.precious
) a( r5 D' L: c7 q& ]5 J! U# O10.a.both b.either c. neither d. none
7 v6 g2 v  J# {& }& b% I11.a.process b. operation c.performance d.action
: m  c, E4 t& V12.a.promising b.potential c. prospective d.probable( K, {% p+ E# I$ S% x- u# _& p) I
13.a.debugged b.analyzed c.released d.removed
+ V% j. R( v& X1 D' Z9 s  ]7 W* f! V14.a.accessible b.affable c.available d.adaptable! Y3 A' g9 G5 i& S
15.a.minor b.major c.important d.severe
. i2 ~8 |( g  \& Q16.a.alleviates b.worsens c.reduces d.enhances
- ?( A' w4 I7 K$ P6 d: P17.a.mental b.physical c.formal d. substantial  u' R/ O% y: |0 B3 z
18.a. ompound b.compositions c.components d.composure
" U# m3 U; A  ~19.a.beginning b.start c.source d.origin6 g4 ]' L) z; D: _
20.a.tracked b.traced c.followed d.detected
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