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I read the local newspapers with great interest every evening.

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信息系统的开发经过系统分析、系统设计、系统编程等阶段，是一个_、逐步细化的过程；而测试过程则是依相反顺序安排的，是一个_、逐步集成的过程。

单元测试一般采用_测试，而且系统内多个模块可以_测试，因为模块之间彼此独立。

Some parents even do not let their children meet their good friends.

Some of her pictures were shown in an art exhibition (展览会) in Shanghai when she was 4 years old.