根据计量法律的规定，目前我国采用计量检定系统表代表溯源等级图，它是由（）组织制定并批

假定英语课上老师要求同桌之间交换修改作文, 请你修改你同桌写的以下作文。文中共有10处语言错误, 每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧）, 并在其下面写出该加的词。

删除：把多余的词用斜线（﹨）划掉。

修改：在错的词下划一横线（___）, 并在该词下面写出修改的词。

注意:1. 每处错误及修改均仅限一词；

2. 只允许修改10处, 多者（从第11处起）不计分。

Li Ming and Wang Ying are two students of Senior Three. They all work hard but they have different learning method. Li Ming often sleeps in class instead of listen to the teacher. As a result, he miss lots of points that the teacher makes and it usually takes him much time to finish his homework. But he has to stay up late and doesn’t get enough sleep. However, Wang Ying has quite the different way of learning. She listens attentive and tries to catch everything that the teacher said in class. Because this, she spends less time doing her homework, which makes it is possible for her to go to bed early.

用二维超声剑下区检查最佳的病变是（）

A.主动脉弓离断

B.动脉导管未闭

C.房间隔缺损

D.冠状动脉瘘

E.室间隔缺损

护理人员岗位编设应遵循的首要原则是（）

A.满足患者护理需要原则

B.合理结构原则

C.优化组合原则

D.经济效能原则

E.动态调整原则

胸闷心悸，咳喘气短，动则尤甚，吐痰清稀，头晕神疲，语声低怯，自汗乏力，面色淡白，舌淡苔白，或唇舌淡紫，脉沉弱或结代。证属（）

A．肝郁脾虚证

B．脾肺气虚证

C．肺肾阴虚证

D．心肺气虚证

E．肝肾阴虚证

根据模具零件的作用可以将其分为哪五类？