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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
16
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.
【34】
选项
A、accessible
B、affable
C、available
D、adaptable
答案
A
解析
本题考查近义词辨析。这句话的意思是:一旦小的病毒进入 (计算机),就会立即被更正。affable“和蔼的,友善的”;adaptable“可适应的”,根据意思可以排除;available(able to be used or attained)“可获得的,可用的”,如:The book you want is available in the school bookstore.你要的书学校的书店里就有。accessible(able to be reached or visited)“可进入的,可参观的”,如:a town accessible by rail.有铁路通达的城镇。
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公共英语四级笔试
公共英语(PETS)
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