问题 单项选择题

可靠性试验可分为工程试验和( )。

A.统计试验

B.可靠性鉴定试验

C.可靠性验收试验

D.可靠性增长试验

答案

参考答案:A

解析: 可靠性试验一般可分为工程试验和统计试验。工程试验包括环境应力筛选试验和可靠性增长试验;统计试验包括可靠性鉴定试验、可靠性测定试验和可靠性验收试验。

材料分析题

七年级学生小胡沉迷于游戏机,一放学就到网吧打游戏,后来,干脆旷课打游戏,甚至整夜不回家,学习成绩直线下降,性格变得寡言少语。家长、班主任多次耐心教育,他却认为网吧就是让人打游戏的,它能开,我就能去,况且,我玩的的内容都是变形金刚、魔幻城堡、三国等,没有不健康的。

阅读材料,请回答:

(1)你认为小胡的想法对吗?为什么?

                                                                                                                                                            

                                                                                                                                                            

(2)你爱打游戏吗?是否和小胡一样常去网吧打游戏?今后你该怎样做?

                                                                                                                                                             

                                                                                                                                                            

(3)请你对网吧老板说几句话

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

填空题