What speech is a term in associate, associate, social, linguistic and linguistic? And so raw pic used to describe a group of people who share the same language speech.Correct risk and ways of interpreting communication

问答题以下关于测试用例的设计，最合适的说法是（） A. 只有发现了到目前为止，没有发现的缺陷的测试用例才是有价值的用例B. 测试用例设计应该遵循简洁而不简单的原则，以便有效的利用测试执行的时间C. 通常测试用例的设计耗时很大，所以已设计好的测试用例不可修改D. 测试用例的设计依据是系统设计规格说明书，且测试用例应尽可能的覆盖所有用户需求

问答题What competence refers to the knowledge that speakers and learner have in order to communicate it appropriate in different social context