测验法（testing）

It may be concluded that testing ______.

A:should deal with only opinions B:should always be written C:has changed since the Middle Ages D:is given only in factories

失效回复测试(Recovery Testing)，其目标是______。

A:测试各种资源在超负荷的情况下的运行情况 B:检测系统可以处理目标内确定的数据容量 C:度量系统的性能和预先定义的目标有多大差距 D:验证系统从软件或者硬件失效中恢复的能力

容量测试(Volume Testing)的主要目标是______。

A:测试各种资源在超负荷的情况下的运行情况 B:检测系统可以处理目标内确定的数据容量 C:度量系统的性能和预先定义的目标有多大差距 D:验证系统从软件或者硬件失效中恢复的能力

Which of following statements about testing software with data is (are) true 　　Ⅰ. The primary purpose of such testing is to find errors. 　　Ⅱ. Such testing can demonstrate the existence of errors but can not demonstrate the absence of errors.

A:Neither B:Ⅰ only C:Ⅱ only D:Ⅰ and Ⅱ

Which of the following statements about testing software with data is (are) true ( ) Ⅰ．The primary purpose of such testing is to find errors Ⅱ．Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors

A:Neither B:Ⅰ only C:Ⅱ only D:Ⅰ and Ⅱ

压力测试(stress Testing)又称强度测试，其目标是______。

A:测试各种资源在超负荷的情况下的运行情况 B:检测系统可以处理目标内确定的数据容量 C:度量系统的性能和预先定义的目标有多大差距 D:验证系统从软件或者硬件失效中恢复的能力

Which of the following statements about testing software with data is (are) true 　　Ⅰ. The primary purpose of such testing is to find errors. 　　Ⅱ. Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.

A:Neither B:I only C:Ⅱonly D:Ⅰand Ⅱ

Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to ______．

A:Provide tailshaft clearances B:Test welds for subsurface defects C:Check the wear of the rudder carrier bearing D:Test the links of the anchor cables while being ranged