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【单选题】
一放在光滑水平面上的弹簧振子,振动的周期T=1.0s,如果小球在平衡位置时,动能为Ek0,则再经过1/3s的动能Ek与Ek0之比为()
A.
1﹕4
B.
1﹕1
C.
1﹕2
D.
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参考答案:
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【简答题】The Nobel Prize in Literature in 2012 was awarded to Mo Yan and his books ____(sell) well around the world.
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【单选题】永磁同步无齿轮曳引技术 由( )直接带动绳轮,无减速箱装置。
A.
门机
B.
主机
C.
缓冲器
D.
轿厢
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【单选题】Efficiency in distribution systems around the world has led to
A.
increased world trade.
B.
decreased world trade.
C.
decreased international competition.
D.
reduced standards of living around the world.
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【单选题】People all over the world like football. [ ]
A.
around the world
B.
all around the world
C.
over the world
D.
all the world
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【单选题】English is popular around the world _________computers. [ ]
A.
from
B.
into
C.
for
D.
around
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【判断题】每个营业厅主要为一定范围区域的消费者服务,这主要因为服务的同时性
A.
正确
B.
错误
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【简答题】每逢佳节,同学之间都喜欢发信息相互祝贺,2011年元旦,某学习小组共有若干名同学,每位同学给组内其他所有同学都发过(或回复)一条信息,经统计后可知,共发信息380条,问该小组共有多少名同学?
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【单选题】Around the world, more and more people are _________ dangerous sports activities, because life in modern societies has become safe and boring.
A.
taking out
B.
taking off
C.
taking part in
D.
taking care of
查看完整题目与答案
【单选题】开环传递函数G(s)H(s)= ,当k增大时,闭环系统( )
A.
稳定性变好,快速性变差
B.
稳定性变差,快速性变好
C.
稳定性变好,快速性变好
D.
稳定性变差,快速性变差
查看完整题目与答案
【单选题】2018年春节期间,某小组8人约定,每位同学向小组的另外7位同学每人发一条短信问候,则他们一共发出________条短信.( )
A.
8
B.
28
C.
56
D.
64
查看完整题目与答案
相关题目:
【简答题】The Nobel Prize in Literature in 2012 was awarded to Mo Yan and his books ____(sell) well around the world.
查看完整题目与答案
【单选题】永磁同步无齿轮曳引技术 由( )直接带动绳轮,无减速箱装置。
A.
门机
B.
主机
C.
缓冲器
D.
轿厢
查看完整题目与答案
【单选题】Efficiency in distribution systems around the world has led to
A.
increased world trade.
B.
decreased world trade.
C.
decreased international competition.
D.
reduced standards of living around the world.
查看完整题目与答案
【单选题】People all over the world like football. [ ]
A.
around the world
B.
all around the world
C.
over the world
D.
all the world
查看完整题目与答案
【单选题】English is popular around the world _________computers. [ ]
A.
from
B.
into
C.
for
D.
around
查看完整题目与答案
【判断题】每个营业厅主要为一定范围区域的消费者服务,这主要因为服务的同时性
A.
正确
B.
错误
查看完整题目与答案
【简答题】每逢佳节,同学之间都喜欢发信息相互祝贺,2011年元旦,某学习小组共有若干名同学,每位同学给组内其他所有同学都发过(或回复)一条信息,经统计后可知,共发信息380条,问该小组共有多少名同学?
查看完整题目与答案
【单选题】Around the world, more and more people are _________ dangerous sports activities, because life in modern societies has become safe and boring.
A.
taking out
B.
taking off
C.
taking part in
D.
taking care of
查看完整题目与答案
【单选题】开环传递函数G(s)H(s)= ,当k增大时,闭环系统( )
A.
稳定性变好,快速性变差
B.
稳定性变差,快速性变好
C.
稳定性变好,快速性变好
D.
稳定性变差,快速性变差
查看完整题目与答案
【单选题】2018年春节期间,某小组8人约定,每位同学向小组的另外7位同学每人发一条短信问候,则他们一共发出________条短信.( )
A.
8
B.
28
C.
56
D.
64
查看完整题目与答案
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