凸模刃口磨钝时()上会毛刺过大。

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问题:

凸模刃口磨钝时()上会毛刺过大。

考点:冷作钣金工铆工(中级)铆工(中级)题库
题型:填空题

Proper arrangement of classroom space is important to encouraging interaction. Most of us have noticed how important physical setting is to efficiency and comfort in our work. College classroom space should be designed to encourage the activity of critical thinking. We may be approaching the twenty-first century, but step into almost any college classroom and you step back in time at least a hundred years. Desks are normally in straight rows, so students can clearly see the teacher but not all their classmates. The assumption behind such an arrangement is obvious. Everything of importance comes from the teacher.

With a little imagination and effort, unless desks are fixed to the floor, the teacher can correct this situation and create space that encourages interchange among students. In small or standard-size classes, chairs, desks, and tables can be arranged in a variety of ways. The primary goal should be for everyone to be able to see everyone else. Larger classes, particularly those held in lecture halls, unfortunately, allow much less flexibility.

Arrangement of the classroom should also make it easy to divide students into small groups for discussion or problem-solving exercises. Small classes with movable desks and tables present no problem. Even in large lecture halls, it is possible for students to turn around and form groups of four to six. Breaking a class into small groups provides more opportunities for students to interact with each other, think out loud, and see how other students’ thinking processes operate all essential elements in developing new modes of critical thinking. In courses that regularly use a small group format, students might be asked to stay in the same small groups throughout the course. A colleague of mine, John, allows students to move around during the first two weeks, until they find a group they are comfortable with. John then asks them to stay in the same seat, with the same group, from that time on. This not only creates a comfortable setting for interaction but helps him learn students’ names and faces.

The author mentioned John in Paragraph 4 in order to ().

A. describe a good seat-arrange mode in courses with small group format

B. give an example that students stay in the same seat throughout the course

C. create a comfortable setting for interaction

D. learn students’ names and faces

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下列句子中加粗词语能被括号中的词语替换且不改变句意的一项是[ ]

A.杭州西溪温地有着典型的江南水乡风光:水网密布,小桥玲珑,绿树婆娑,亭宇古朴,处处富有诗情画意。(典范)   

B.为了完善领导干部行为规范,健全党内责任追究制度,中 * * 政治局审议并通过了《关于实行党政领导干部问责的暂行规定》。(审查)   

C.这伙人利用人民群众对党和政府的信赖,伪装成政府机关工作人员,到处招摇撞骗,其手段之卑劣已达到了登峰造极的地步。(叹为观止)   

D.智者和愚者的区别,不仅仅在于天赋的差异,更在于面对困境,愚者往往束手无策,而智者却能化解困难,走出一条新路。(一筹莫展)

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女性,26岁。胸痛,查体心前区可触到心包摩擦感。该患者诊断可能是()

A.胸膜炎

B.二尖瓣狭窄

C.主动脉瓣狭窄

D.大量心包积液

E.心包炎

题型:填空题

井下紧急避险系统主要包括避灾硐室和()。

A.救生舱

B.躲避所

C.安全门

题型:填空题

液压系统中双出杆液压缸活塞杆与缸盖处采用()形密封圈密封。

A.Y

B.O

C.V

D.M

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