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【单选题】
科学方法可分为三个层次:各门自然科学中的特殊研究方法,各门自然科学中的一般研究方法和普遍性的哲学方法。各层次方法研究的对象和范围是不同的。在科学方法的三个层次中,重点是哪个层次?()
A.
第二层次科学方法论和第三层次领域特殊研究方法
B.
第二层次科学方法论
C.
第三层次领域特殊研究方法
D.
第一层次
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【简答题】Graham Blanchard
【简答题】Passage 20 Katharine Graham graduated from the University of Chicago in 1938 and got a job as a news 1) _____ in San Francisco. Katharine's father used to be a successful 2) _____ banker. In 1933 he b...
【单选题】What do we know about Katharine Meyer Graham?
A.
She started The Washington Post .
B.
She closed The Washington Post .
C.
She made The Washington Post a failure .
D.
She led The Washington Post to success .
【单选题】[音频] Passage 2--- 1. What do we know about Katharine Meyer Graham?
A.
She started The Washington Post.
B.
She made The Washington Post a failure.
C.
She led The Washington Post to success.
D.
She closed The Washington Post.
【简答题】Katharine Graham graduated from the University of Chicago in 1938 and got a job as a news (1) __________ in San Francisco. Katharine ’ s father used to be a successful (2) __________ banker. In 1933, ...
【单选题】Passage 2--- 1. What do we know about Katharine Meyer Graham?
A.
She started The Washington Post.
B.
She made The Washington Post a failure.
C.
She led The Washington Post to success.
D.
She closed The Washington Post.
【单选题】Passage 2--- 1. What do we know about Katharine Meyer Graham? [音频]
A.
She started The Washington Post.
B.
She made The Washington Post a failure.
C.
She led The Washington Post to success.
D.
She closed The Washington Post.
【判断题】计算机的发展通常认为经历了四代,第二代计算机的主要元器件是晶体管。( )
A.
正确
B.
错误
【判断题】晶体二极管的反向饱和电流越大,二极管的质量越差。
A.
正确
B.
错误
【单选题】计算机的发展通常认为经历了四代,第三代计算机的主要元器件是()。
A.
电子管
B.
晶体管
C.
中小规模集成电路
D.
大规模、超大规模集成电路
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