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【单选题】
下列选项中说法错误的是()
A.
流体无论在静止状态还是运动状态都可以承受剪切力(在静止状态下流体不能承受剪力,但是在运动状态下,流体可以承受剪力)
B.
在均匀的速度场中,两层相邻流体的分子由于热运动而相互交换位置,不会产生动量的运输
C.
对于流体的粘性,层间的抵抗力一般为摩擦力或剪切力
D.
牛顿粘性应力公式表明,粘性剪切应力与速度梯度有关,与物性有关
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参考答案:
举一反三
【单选题】He spoke not only more correctly, but also more easily.
A.
Not only do he speak more correctly, but also more easily.
B.
Not only did he speak more easily, but also more correctly.
C.
Not only did he speak more correctly, but also more easily.
D.
Not only does he speak more correctly, but also more easily.
【单选题】在梦中将不好的愿望投射到其他人身上属于梦的哪一个特性?
A.
凝缩
B.
投射
C.
移置
【单选题】【35】
A.
exactly
B.
precisely
C.
accurately
D.
correctly
【简答题】A.directly B.specially C.mainly D.correctly
【简答题】在汽车保险险种组合中,最低保障方案是只购买()
【单选题】To pronounce correctly and clearly to avoid misunderstanding. You need to:
A.
Pronouncing vowels and consonants correctly
B.
Omitting sounds
C.
Closing your mouth
【单选题】以下电路属于那种基本电路的改进型。
A.
共集电极放大电路
B.
共发射极放大电路
C.
共基级放大电路
D.
设计跟随器
【判断题】That she answered the question correctly pleased him enormously. ()
A.
正确
B.
错误
【单选题】下列化合物在亲电硝化反应中反应顺序由大到小排序正确的是
A.
I > II > III > IV
B.
III > IV > I > II
C.
IV > III > II > I
D.
II > I > IV > III
【简答题】Cargo quantity and condition should be correctly described in the bills of lading.( )
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