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【简答题】
磁流变液在磁场作用下最终可使颗粒沿电场方向排列成 结构。
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举一反三
【单选题】Human language can cope with any subject whatever, and it does not matter how far away the topic of conversation is in time and space. Which design feature of language does this phenomenon refer to?
A.
Productivity.
B.
Cultural transmission.
C.
Displacement.
D.
Arbitrariness.
【单选题】Human language call cope with any subject whatever,and it does not matter how far away the topic of conversation is in time and space.Wbich design feature of language does this phenomenon refer to?
A.
Productivity.
B.
Cultural transmission.
C.
Displacement.
D.
Arbitrariness.
【单选题】按照生命周期法开发系统,在系统设计阶段用( )表示系统的物理模型。
A.
数据流图
B.
数据字典
C.
模块结构图
D.
程序
【单选题】How is she getting on with her studies?
A.
Age makes it more difficult for her to cope with her studies.
B.
She devotes only one hour a day to her studies.
C.
Her memory is as good as it ever was.
D.
She has to read everything twice.
【单选题】1 平面连杆机构的曲柄为主动件,则机构的传动角是 ( )
A.
. 摇杆两个极限位置之间的夹角
B.
. 连杆与曲柄之间所夹的锐角
C.
. 连杆与摇杆之间所夹的锐角
D.
. 摇杆与机架之间所夹的锐角
【简答题】陈述服装面料的服用性能有哪些?
【单选题】将折射率为n的薄透镜置于折射率为n′(>n )的介质中,则有 ( )
A.
凸透镜会聚、凹透镜发散
B.
凸透镜发散、凹透镜会聚
C.
凸透镜发散、凹透镜发散
D.
凸透镜会聚、凹透镜会聚
【判断题】中华人民共和国中央军事委员会是最高国家军事机构,负责领导全国武装力量
A.
正确
B.
错误
【单选题】在生命周期法中,系统设计阶段的主要工作内容是
A.
系统的逻辑设计
B.
系统的物理设计
C.
编写程序
D.
系统调试
【单选题】—_______? —She is medium height. [     ]
A.
What's she like?
B.
How is she?
C.
What does she like?
D.
How does she like?
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