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【单选题】
According to the writer, what may chiefly be responsible for the Columbia accident?A.
A supposed damage to the left wing of the spacecraft.
B.
The deliberate rejection of satellite images offered.
C.
A sense of sentiment and arrogance involved.
D.
The space agency's inaction during its mission.
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举一反三
【单选题】If the market demand curve in a perfectly competitive industry shifts left, the demand curve for each existing firm will:
A.
shift up.
B.
shift down.
C.
shift right.
D.
shift left.
【判断题】A monopoly can have a larger influence on the market, if the market demand is less elastic.
A.
正确
B.
错误
【简答题】英译汉:transmission electron microscope, TEM
【判断题】在其他条件不变的情况下,若使利润上升40%,单位变动成本需下降17%;若使利润上升30%,销售量需上升13%。那么,销售量对利润的影响比单位变动成本对利润的影响更为敏感。( )
A.
正确
B.
错误
【简答题】英译汉:transmission
【简答题】英译汉:transmission system
【单选题】If the market demand curve in a perfectly competitive industry shifts right, the demand curve for each existing firm will:
A.
shift up.
B.
shift down.
C.
shift right.
D.
shift left.
【单选题】在其他条件不变的情况下,若使利润上升40%,单位变动成本需下降17%;若使利润上升30%,销售量需上升13%。那么,销售量对利润的影响比单位变动成本对利润的影响更为敏感。( )
A.
正确
B.
错误
【简答题】单词英译汉 droplet transmission
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