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We often hear the 【21】______ "Bug" while using computers. But what is a bug? In computer science, a bug 【22】______ an err
We often hear the 【21】______ "Bug" while using computers. But what is a bug? In computer science, a bug 【22】______ an err
admin
2010-07-06
19
问题
We often hear the 【21】______ "Bug" while using computers. But what is a bug? In computer science, a bug 【22】______ an error in software or hardware. In software, a bug is an error in coding or logic that causes a program to malfunction or to 【23】______ incorrect results. Minor bugs, for example a cursor that does not behave as 【24】______ can be inconvenient or frustrating, but not damaging to 【25】______ . More severe bugs can cause a program to "hang" ( stop responding to 【26】______ and might 【27】______ the user with no 【28】______ but to restart file program. ), losing whatever 【29】______ work had not been saved. In 【30】______ case, the programmer must find and correct the error by the 【31】______ known as debugging. Because of the 【32】______ risk to important data, commercial application programs are tested and 【33】______ as completely as possible before release. Minor bugs found after the program becomes 【34】______ are corrected in next update; more 【35】______ bugs can sometimes be fixed with special software, called patches, that circumvents or otherwise 【36】______ its effects. In hardware, a bug is a recurring 【37】______ problem that prevents a system or set of 【38】______ from working together properly. The 【39】______ of the term reputedly goes back to the early days of computer at Harvard University was 【40】______ a moth caught between the contacts of a relay in the machine.
【36】
选项
A、alleviates
B、worsens
C、reduces
D、enhances
答案
A
解析
本题考查对文章意义的理解和同义词辨析。这句话的意思是:更严重的病毒可以使用特殊的软件来阻止或降低其影响。worsen“使严重,恶化”;enhance“提高,促进”;alleviate(make less or earner to bear)“减轻,缓和”,如:alleviate severe unemployment缓解严重的失业状况。reduces(make small in size,weight,etc)“减少”。
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本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
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公共英语四级笔试
公共英语(PETS)
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