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出站兼调车信号开放出站信号机时,复示器亮()灯
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【简答题】“只有 p,才 q”这一命题形式的逻辑常项是_________,变项是_________。
【简答题】“只有p,才q”这一命题形式的逻辑常项是( ),逻辑变项是( )。
【简答题】Passage 1 The human mind is wonderful and powerful, but it's far from perfect. There are several common judgment errors that it's prone to make. In the field of psychology these are known as cognitive...
【简答题】The human mind is wonderful and powerful, but it's far from perfect. There are several common judgment errors that it's prone to make. In the field of psychology these are known as cognitive biases, o...
【单选题】The volume of scheduled flights is ________ the air traffic control system.
A.
o tightening
B.
o burdened
C.
o weighting
D.
o straining
【简答题】“并非只有p，才q”这一命题形式中的逻辑常项是（）和（）。
【单选题】The new traffic rules will become from the first day of 2016. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
comfortable
B.
excellent
C.
challenging
D.
effective
【单选题】They are broadening the bridge to _______ the flow of traffic. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
put off
B.
speed up
C.
turn on
D.
work out
【单选题】下列情况下，适宜采用市场开发战略的是______。
A.
甲公司发现邻国市场上对本企业产品需求旺盛，但现有供应量不
B.
乙公司在现有行业中经营多年，竞争优势明显，但该行业被称为“夕阳行业”
C.
丙公司从自身实际出发，决定将经营重心局限在现有产品或市场领域
D.
丁公司受金融危机影响，企业经营遇到困难，决定维持目前的利润水平
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