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促销 促销是企业利用各种有效的方法和手段,使消费者了解和注意企业的产品,激发消费者的购买欲望,并促使其实现最终的购买行为。实质上是一种信息沟通活动。
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举一反三
【单选题】为了使输出电阻降低,在放大电路中应引入交流( )
A.
串联负反馈
B.
并联负反馈
C.
电压负反馈
D.
电流负反馈
【单选题】An increase in load on a diesel engine results in _____ of speed of the crankshaft.
A.
a reduction
B.
an increase
C.
an outing
D.
a downwards
【简答题】For busy people, the idea of speed dating has really caught on in popularity. In a speed dating , usually 8-10 __66__ go around from table to table, each spending 6-8 minutes at each one. From th...
【单选题】White Star gave up all thoughts of speed record for Titanic because they thought it impossible for such a huge vessel.
A.
Y
B.
N
C.
NG
【判断题】电流负反馈降低了输出电阻,电压负反馈使输出电阻增加。
A.
正确
B.
错误
【判断题】电压负反馈降低了输出电阻,电流负反馈使输出电阻增加。
A.
正确
B.
错误
【单选题】A reduction in load on a diesel engine results in ( ) of speed of the crankshaft
A.
a reduction
B.
an increase
C.
a downwards
【单选题】The required amount in the change of speed necessary before a governor will make a corrective movement is known as _____.
A.
speed droop
B.
sensitivity
C.
stability
D.
promptness
【单选题】How many people surveyed agreed to set a new law of speed limit?
A.
More than half of the people felt the law was obsolete.
B.
The average amount of people felt the law was obsolete.
C.
Some of the people felt that the law was obsolete.
D.
Less than half the people thought the law was obsolete.
【单选题】—Wang Meng won an 0lympic gold medal in the women’s l000m final of speed skating. — !
A.
Congratulations
B.
Cheer up
C.
Good news
D.
A pleasure
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