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【多选题】
类零件结构特点和表达方案描述正确的的是( )A.
类零件对尚未表达清楚的局部结构，常采用局部视图、局部剖视、断面和局部放大图等补充表达。
B.
类零件主视图按加工位置配置，零件按轴线竖直放置，选择垂直于回转轴线方向的作为主视图投射方向。
C.
类零件主要由不同直径的同心圆柱面所组成。其厚度相对于直径小得多，成扁平状。周边常分布一些、槽等。
D.
类零件为了表达内部结构形状，主视图常采用适当的剖视图。此外，一般还需要增加一个左视图或右视图，用来表达连接、轮辐、肋板等的数目和分布情况。
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【简答题】A．The woman is tired of the man's complaints of math. B．The woman is not used to the man's bragging about math. C．The man used to forget to turn off the lights. D．The man is afraid of annoying his fat...
【多选题】Complaints can be made by__________.
A.
telephone call
B.
letter
C.
email
D.
other method online
【单选题】Before a mediation can take place:
A.
both parties to a dispute must consent to the mediation.
B.
the mediator must be acceptable to both parties.
C.
there must be a dispute.
D.
All of the above.
【简答题】调解(mediation)
【多选题】Before a mediation can take place:
A.
both parties to a dispute must consent to the mediation.
B.
the mediator must be acceptable to both parties.
C.
there must be a dispute.
D.
None of the above.
【单选题】有关胸内压的叙述，错误的是
A.
一般情况下是负压
B.
胸内压=肺内压-肺肺回缩压
C.
胸内负压有利于静脉回流
D.
使肺维持一定的扩张程度
E.
产生气胸时负压增大
【单选题】What can we infer from the last paragraph?
A.
It is natural for students to make complaints about university education.
B.
Few students are willing to bear the burden of debt incurred at university.
C.
University education is becoming attractive to students who can afford it.
D.
The prestige of the university influences employers’ recruitment decisions.
【简答题】无压隧洞洞身断面形式主要有哪些？有压隧洞洞身断面为何常采用圆形？
【简答题】I felt ________ (relax) after I had spoken.
【单选题】If I ______ some visitors last summer, I ______ the holiday so boring. [ ]
A.
had, would not have felt
B.
had had, would not have felt
C.
had, would not felt
D.
had had, would not felt
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