问题 多项选择题

设备安装过程中所使用的材料,必须符合以下条件()。

A.符合设计和产品标准的规定

B.有质量保证书

C.有出厂合格证明

D.有安装单位自检结果

E.有使用手册

答案

参考答案:A, C, E

解析:

设备安装过程质量控制要点的规定包括;

(1)安装过程中的隐蔽工程,隐蔽前必须进行检查验收,合格后方可进入下道工序;

(2)设备安装中要坚持施工人员自检,下道工序的交检,安装单位专职质检人员的专检及监理工程师的复检 (和抽检)并对每道工序进行检查和记录;

(3)安装过程使用的材料,如各种清洗剂、油脂、润滑剂、紧固件等必须符合设计和产品标准的规定,有出厂合格证明及安装单位自检结果。

选择题
单项选择题 案例分析题

From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased.

Many linguists believe that evolution is 4 for our ability to produce and use language. They 5 that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, 9 a function of the growth of the brain during childhood. Therefore there are critical 10 times for language development.

Current 11 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 12 , more and more schools are discovering that foreign languages are best taught in 13 grades. Young children often can learn several languages by being 14 to them, while adults have a much harder time learning another language once the 15 of their first language have become firmly fixed.

16 some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 17 from other human beings do not possess language. This demonstrates that 18 with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language 19 than any innate capacities. These theorists view language as imitative, learned behavior. 20 , children learn language from their parents by imitating them. Parents gradually shape their child's language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.

请在10处填上正确答案()

A.ideological

B.biological

C.social

D.psychological