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搜题
【判断题】
DES分组密码体制采用了Feistel结构,每次一轮加密长度分组的一半。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】____________ Jenny always take the bus ?
A.
Do
B.
Does
C.
Did
【单选题】土体中的剪切破坏面方向与土体的( )有关。
A.
内摩擦角
B.
黏聚力
C.
密度
D.
压缩模量
【多选题】物流工程特征是
A.
物流系统为研究对象
B.
运用系统工程和信息技术科学
C.
进行规划、设计、管理和控制的活动过程
D.
网络工程+技术工程
【简答题】Did the speaker always like the car?______, he changed.
【单选题】— He hardly hurt himself in the accident, did he﹖ —_______ He is always careless.
A.
No, he did.      
B.
  Yes, he did.
C.
No, he didn’t.
【简答题】How did children feel to be with her? The children were always ______ to be with her.
【单选题】关于斜坡变形破坏的基本单元描述,下面描述错误的的( )
A.
拉裂为拉断破坏,包括拉应力为主造成的拉裂和以压应力为主造成的压致拉裂
B.
蠕滑为剪切变形为主,包括沿斜坡某潜在剪切面的剪切蠕变、沿原有结构面的滑移和介于两者之间的蠕变 - 滑移,及蠕滑
C.
弯曲是指弯曲变形,按照受力方式可分为背斜与向斜,按约束方式,可以分为简支梁、外伸梁和悬臂梁。
D.
塑流是岩土体中软弱层的压缩和向凌空面方向的塑性流动
【简答题】Children always did not do what their parents wanted them to do. They did the things in their own ways. But they always made their parents very happy. Old Mr. Brown had a little son named Tom. He was ...
【单选题】不是生产系统中物流的特征。
A.
物料按照工艺流程流动
B.
不同生产类型有共同的特征
C.
物流作业与生产作业紧密相关
D.
物流连续按比例运转
【单选题】When he did go to school, he ______.
A.
was always late
B.
tried to leave early
C.
was always happy.
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