单项选择题

耦和是软件中各模块间相互联系的一种度量，耦和的强弱取决于模块间接口的复杂程度，耦和的若干种类中，耦和度最高的是( )。

A．内容耦和
B．非直接耦和
C．数据耦和
D．控制耦和
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单项选择题
Local bus can reduce the occupation time of CPU. For the EISA local bus, commonly the time can be reduced to( ).
A．42%
B．22%
C．12%
D．2%
单项选择题
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
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