教育要适应人的身心发展个别差异性，应做到（ ） A．循序渐进 B．因材施教 C．教学

阅读短文，用所给词的正确形式填空。

     Li Hong is the only child in her family. She loves her parents, and her parents love her, too. But now

 she has some __1__ (trouble). She thinks that her parents don't understand her. She wants to make her

  own decisions, but her parents always ask her __2__ (obey) them. For example, Li Hong is good at

 __3__ (play) ping-pong and she hopes to be a famous ping-pong player like Deng Yaping in the future,

 but her parents think it is difficult for her __4__ (achieve) this dream and she should be realistic. And if she

  spends a lot of time __5__ (practice) ping-pong every day, she will fall behind the others in her studies.

 Li Hong doesn't know what to do now.

下列有关财务分析价格的说法中错误的是（）。

A.如果通货膨胀率等于时价上涨率，说明货物的实际价格不变

B.货物的实价上涨率为零，则时价上涨率与通货膨胀率是相等的

C.时价上涨率总是大于实价上涨率

D.时价中包括了实际价格变动的影响也包括了通货膨胀率的影响

已知m²+2mn=384，3mn+2n²=560．则2m²+13mn+6n²-444的值是（　　）

A．2001

B．2002

C．2003

D．2004

北京地铁运输为首都交通带来了便利，其铁轨所用的钢铁属于 [ ]

A. 金属材料       

B. 复合材料        

C. 合成材料      

D. 无机非金属材料

某机电安装公司通过竞标承担了某化工厂的设备、管道安装工程。为兑现投标承诺，该公司通过质量策划，编制了施工组织设计和相应的施工方案，并建立了现场质量保证体系，制定了检验试验卡，要求严格执行三检制。工程进入后期，为赶工期，采用加班加点办法加快管道施工进度，由此也造成了质量与进度的矛盾。质量检查员在管道施工质量检查时发现，9589不锈钢管焊接变形过大，整条管道形成一折线状，不得不拆除重新组对焊接，造成直接经济损失5600元。问题：

三检制的自检、互检、专检责任范围应如何界定？本案例是哪个检验环节失控？