In which of the following phases of software development is it the cheapest to fix a fault？_在软件开发的以下哪个阶段解决故障最廉价？_（）
A. The integration phase
B. The design phase
C. The implementation phase
D. The maintenance phase
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Which of the following should be treated as a separate phase of software life cycle？__下列哪一个应该被视为软件生命周期的单独阶段？____（）
A. Testing
B. Project Planning
C. Implementation and integration
Documenting
Which of the following statements about computer science and software engineering is correct？__关于计算机科学和软件工程的以下语句哪个是正确的？____（）
A. Computer scientists and software engineers care about the same thing
B. Software engineers always try to find all kinds of solutions for the target software system
Computer scientists’ job is to find the most suitable solution for software system
D. The relationship between Computer Science and Software Engineering is just like the one between Chemistry and Chemical Engineering
In the following choices, which one cannot be deleted before the calculation of the DOF of a mechanism（）
A. compound pairs
B. passive DOF
C. redundant constraints
D. all of the above
Post-writing activities are often used to____（）
A. give students the chance to reread and rewrite with a new perspective
B. relieve teachers’ writing-checking pressure
C. instill in students the awareness of self-assessment and peer-assessment
D. help students form the habit of rewriting and proofreading
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