单选题：Publicity manager Brian Steward did a computer course sever

题目内容：

Publicity manager Brian Steward did a computer course several years ago, and now wants to learn about developments relevant to his field.

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分类：初级题型：单选题

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WinstonA．Passive smoking is the third preventable cause of death． B．Smokers have

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知识直观的类型包括（　　）。 A．实物直观 B．模象直观 C．言语直观 D．形象直观 E．表象直观

分类：初级题型：单选题