下列关于软件测试的描述正确的是
A．通过一系列测试，证明软件是正确的
B．由于熟悉情况，所以应尽量让设计人员参加测试
C．排除软件中的所有错误
D．软件测试与软件调试不同
参考答案：D
解析： 软件测试的任务是预防软件发生错误；发现、改正程序错误；提供错误诊断信息。测试的目的就是在软件投入生产运行之前，尽可能多地发现软件中的错误。软件测试只能发现错误，不能证明软件没有错误。所有软件测试不可能发现程序中所有的错误。为更多地发现问题，应避免程序设计人员测试自己的程序。
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| What is the best way to study? This is a very important question. Some Chinese students often 1 very, very hard for long hours. This is a 2 , but it is not a better way to study. An efficient (有效率的) student must 3 enough sleep, enough food and enough rest. Every 4 you 5 to 6 your studies, you'll find yourself stronger than before and you'll learn more. Perhaps we can 7 that learning English is 8 taking Chinese medicine. We don't mean that it's bitter (苦). We mean that like "Chinese medicine, the efficiency (效率) of your study 9 slowly but surely 10 lowly, Slowly every day and effects will come just like Chinese medicine." | ||||
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