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【简答题】
起重机的基本构造都是由( )、( )和( )三大部分组成。
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反馈参考答案：
举一反三
【单选题】Three friends decided to sail around the world in a small yacht(游艇). They loaded it with food and water and set off. They traveled to many beautiful places, and were having a wonderful time. Until one...
A.
many souvenirs(纪念品) with them
B.
no medical supplies with them
C.
a large crew with them
D.
many provisions(食物贮备) with them
【单选题】He evidently wished no ___ of my interruption.
A.
cannel
B.
canner
C.
can
D.
repetition
【简答题】. 为什么说工人、农民、知识分子是建设中国特色社会主义的重要依靠力量?
【简答题】RSA是一个很重要的公钥算法,很多实际 的安全策略都基于它。 RSA (Rivest, Shamir, Adleman) is an important -key and much practical is based on it.
【单选题】The emergent-norm theory of crowd behavior says that
A.
there is great social pressure on individuals to behave like others in a crowd, even when they may not agree with the crowd behavior.
B.
although there are different kinds of crowds, all crowds share some characteristics.
C.
because we are faceless and nameless in a crowd, we can show our primitive side.
D.
in crowds, people often behave in a way that is different from their normal behavior.
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