2. 外语
  3. 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

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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.
【31】
选项 A、process
B、operation
C、performance
D、action
答案A
解析 本题考查同定用法。这句话的意思是：计算机需要启动杀毒程序，程序是计算机专用语，英文对应的词汇是“process”。
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