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【单选题】
受轴向变载荷的螺栓联接中,已知预紧力 Q P = 8000 N ,工作载荷: F min = 0 , F max = 4000 N ,螺栓和被联接件的刚度相等,则在最大工作载荷下,剩余预紧 ________N 。A.
2000
B.
4000
C.
6000
D.
8000
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【多选题】以下属于通货膨胀产出效应过程中的经济表现有( )。
A.
一国的总产出提高
B.
宽松的货币政策使得货币供应量上升
C.
(实际)利率在这个阶段逐渐下降
D.
企业的再生产意愿上升
【简答题】If the industry doesn’t ____________ (modern), it will not survive.
【简答题】Despite advances in modern medicine, there is still no ( ) for the common cold.
【多选题】以下属于通货膨胀产出效应过程中的经济表现有（ ）。
A.
宽松的货币政策使得货币供应量上升
B.
（实际）利率在这个阶段逐渐下降
C.
企业的再生产意愿上升
D.
一国的总产出提高
E.
企业的再生产意愿下降
【单选题】The modern aviation advances were all based on _____efforts of flight?
A.
Leonardo da Vinci’s
B.
the Montgolfier brothers’
C.
Otto Lilienthal’s
D.
the Wright brothers’
【单选题】According to Carson, modern man advances ____________.
A.
too fast for nature
B.
in step with nature
C.
too slow for our needs
D.
in a responsible manner
【单选题】---- Look! Everything here is under construction. ---- Oh, has the building once ___ for exhibition been pulled down, too?
A.
having been built
B.
being built
C.
to be built
D.
built
【单选题】Modern technological advances are being made, but ________.
A.
with highly considerable expense
B.
at a great expense
C.
with great expense involved
D.
by a lot of expense
【判断题】Modern advances in the fields ofcomputer, control systems, communications have no relationship with electronics.
A.
正确
B.
错误
【多选题】以下属于通货膨胀产出效应过程中的经济表现有( )。
A.
宽松的货币政策使得货币供应量上升
B.
(实际)利率在这个阶段逐渐下降
C.
一国的总产出提高
D.
企业的再生产意愿下降
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