Machine testing is designed to detect the maximum number of errors.（)

A.integration testing, unit testing, system testing, validation testing

B.validation testing, unit testing, integration testing, system testing

C.unit testing, integration testing, validation testing, system testing

D.system testing, validation testing, integration testing, unit testing

A.Indirect testing

B.Integrative testing

C.Direct testing

D.Discrete point testing

A.Debugging

B.Maintenance

C.Regression testing

D.Acceptance testing

A.hypothesis à testing à correcting

B.hypothesis à correcting à testing

C.testing à hypothesis à correcting

D.correcting à testing à hypothesis

A.maintenance

B.design

C.non-execution-based testing

D.execution-based testing

A.training set and testing set

B.training set developing set and testing set

C.training set validation set and testing set

D.developing set and testing set

A.functing

B.scale

C.purpose ​

D.ability

A.system 和 testing必须彼此靠近，并且顺序必须是system testing 。

B.system 和 testing必须同时出现。

C.system 和 testing只需出现其中之一即可。

D.system 和 testing必须同时出现，且中间不得超过10个单词的距离。