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【判断题】
使用冷原子测汞仪测定水中汞时水样不需要消解A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】模板方法的主要缺点是()。
A.
对每个不同的实现都需要定义一个子类
B.
系统更加庞大，设计也更加抽象
C.
父类中的抽象方法由子类实现，子类执行的结果会影响父类的结果
D.
降低了代码阅读的难度
【单选题】人类对传播理论的研究于20世纪40年代末开始迅速发展，揭示了教学过程中各种动态的相互联系。请问采用了“5W”公式清晰描述了大众传播过程中五个基本要素的是哪一传播模式？（ ）
A.
香农 — 韦弗传播模式
B.
贝罗传播模式
C.
拉斯威尔传播模式
D.
海曼 —弗朗克传播模式
【单选题】A) The long distance between his home town and New York. B) His unpopular character. C) The high unemployment rate in New York. D) His criminal record.
A.
The long distance between his home town and New York.
B.
His unpopular character.
C.
The high unemployment rate in New York.
D.
His criminal record.
【单选题】John is happier at his new job than his old one. What does that mean?
A.
He was less happy at his old job than his new one.
B.
He is less happy at his new job than his old one.
C.
He isn’t as happy at his new job than his old one.
【简答题】在传播学史上,第一位提出传播过程模式的美国学者是谁?他在《传播在这会中的结构与功能》一文中提出了构成传播过程的五种基本要素,即5W模式,也叫“拉斯韦尔公式”。具体是怎么表述的?
【简答题】His telescope and his experiments were always bringing him new surprises, and he made notes of his work every day.
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