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【简答题】
平衡预算乘数作用的机理是什么?
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举一反三
【单选题】The doctor was not pleased with Bob because______.
A.
he brought him a different watch
B.
he was sure Bob had stolen the watch
C.
he could see that Bob had a knife
D.
he didn't listen to his speech
【单选题】设计螺栓组联接时,虽然每个螺栓的受力不一定相等,但各个螺栓仍采用相同的材料直径和长度,这主要是为了( )。
A.
受力均匀
B.
外形美观
C.
便于加工和装配
D.
0
【简答题】Bob was happy. He was at a new school ,and the other students were friendly.'Hi,Bob!' they said. But some students said,'Hi,Peter !'Bob didn't understand. He asked another student, 'Why do some stud...
【单选题】设计螺栓组联接时,虽然每个螺栓的受力不一定相等,但对该组螺栓均采用相同的材料、直径和长度,这主要是为了( )。
A.
外形美观
B.
便于加工和安装
C.
购买方便
D.
降低成本
【单选题】设计螺栓组联接时,虽然每个螺栓的受力不一定相等,但对该组螺栓仍采用相同的材料、直径和长度,这主要是为了
A.
受力均匀
B.
使联接牢固
C.
便于降低制造成本
D.
便于加工和安装
【简答题】Many parents want their children to be famous one day. But do children have the same ? A new —Hi, Ke'ai is on at Beijing Children's Art Theatre. It tells the story of a boy called Ke'ai. His parents w...
【简答题】现任国际奥委会是谁？
【单选题】设计螺栓组联接时,虽然每个螺栓的受力不一定相等,但对该组螺栓采用相同的材料、直径和长度,这主要是为了 。
A.
外形美观
B.
购买方便
C.
便于加工和安装
D.
无法判断
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