材料受力时,在无明显变形的情况下突然破坏,这种现象称为脆性破坏。具有这种破坏特性的材

题型:多项选择题

问题:

材料受力时,在无明显变形的情况下突然破坏,这种现象称为脆性破坏。具有这种破坏特性的材料,称为脆性材料,如( )等。

A.混凝土

B.木材

C.玻璃

D.石油沥青

E.陶瓷

考点:城市规划师城市规划相关知识城市规划相关知识
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Our "Timeline of Education" shows highlights of learning and education (especially related to Western education), going back to the very first education:

In the beginning: Adam got the very first lesson, from God: break the law and you pay the price.

3000 B.C. :Priests teach religion, writing, sciences.

0 B.C./A.D.: Jesus teaches in Jerusalem.   

105 A.D.: Paper is invented in China.

1150-1250 : "Modern" universities founded.

1620s: Slide rule is invented, math is made easier.

1918 : All U.S. states require free education

Early 1980s: Television in the classroom. The availability of cheap VCRs makes video learning common.

Late 1990s: The Internet changes everything. E-learning courses develop.

http://www.worldwidelearn.com/education-timeline/education-timeline.htm#3000BC

小题1:Adam got the very first lesson from __________.

A.his teacher

B.God

C.religion

D.himself小题2:Jesus teaches in Jerusalem about_________.

A. 3000 B.C.       B. 1150-12500   C. 105 A.D.       D. B.C./A.D.

小题3:Television appears in the classroom and helps the teacher and students in_________.

A.late 1990s

B.early 1980s

C.1918

D.1620小题4:It took about__________ years from the television to Internet.

A.50

B.40

C.20

D.10

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十月革命与以往革命相比,首要的不同点是[ ]

A.新的历史时期的开端

B.建立了无产阶级领导的、以工农联盟为基础的社会主义制度

C.人民群众广泛参加的社会革命

D.推翻了旧的统治阶级的社会革命

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周某在该诉讼中处于什么样的诉讼地位为什么

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某车间三个班组共同承担一批加工任务,每个班组要加工100套产品。因为加工速度有差异,一班组完成任务时二班组还差5套产品没完成,三班组还差10套产品没完成。假设三个班组加工速度都不变,那么二班组完成任务时,三班组还剩多少套产品未完成()

A.A

B.B

C.C

D.D

题型:多项选择题

当操作人员发现存在偏离,导致关键限值失控时,可以采取下列行动:()、对偏离的产品进行评估:产品不存在安全危害,产品可被通过;产品存在潜在的安全危害,可以选择重新加工、转为安全使用(改变用途)或销毁。

A.立即停产整顿

B.迅速调节生产过程使其恢复到设定的限值之内,并分离出受影响的产品

C.停下生产线,分离出可疑产品,记下问题并重新开始

D.分析出现的问题,判断其发生的偶然性或必然性,寻求一个长远的解决方法

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