关于方法学性能标准,下列说法错误的是() A.由允许分析误差和医学决定水平这两项内容

题型:单项选择题 A1/A2型题

问题:

关于方法学性能标准,下列说法错误的是()

A.由允许分析误差和医学决定水平这两项内容决定

B.根据不同的应用目的而异

C.对于每一医学决定水平都应规定相应的性能标准

D.允许分析误差是90%样品的允许误差限度

E.制定的性能标准基本符合实验室所能达到的技能状态

考点:临床医学检验技术(师)临床检验师专业知识(综合练习)临床检验师专业知识(综合练习)题库
题型:单项选择题 A1/A2型题

阅读理解。

       High school students in America hear about twenty bells every day. The first bell is the tardy bell

(上课迟到铃). If students are not in their seats when the tardy bell rings, they know they are late. Another bell

rings at the end of each class, and everyone leaves class quickly and goes to the next class. When students are

in a hard class, they are often happy to hear the bell ring. If the class is interesting, they do not want the bell to

ring. Most students like the lunch bell best. They know that it is time to join their friends for lunch. They buy a

hot meal in the school dining room or they bring their lunch from home in a paper bag. After a nice lunch,

everyone knows it is soon time for another bell, another bell, another bell…

1. American students in high school hear about             bells every day. [ ]

A. many

B. twenty

C. twelve

D. much

2. The students know they are late if they ______. [ ]

A. don't come to school early

B. are not in their seats when they hear the first bell

C. hear another bell in the classroom

D. are in their seats before the first bell rings

3. The students are happy to have ______. [ ]

A. interesting classes

B. a hard class

C. all the classes

D. a difficult class

4. Why do most students like the lunch bell best? Because ______. [ ]

A. they don't like their classes at all

B. they can enjoy their meals

C. they can join their friends for lunch

D. they can have a lot of food to eat

5. The students usually have their lunch ______. [ ]

A. at school

B. in the restaurant

C. at home

D. at the party

题型:单项选择题 A1/A2型题

出现糖尿病酮尿可提示

A.活动性肢端肥大症

B.甲状腺功能亢进

C.胰岛素分泌过度

D.麻疹、伤寒、猩红热

E.糖尿病尚未控制

题型:单项选择题 A1/A2型题

通过监控单元进行蓄电池测试管理时,哪些情况下禁止进入蓄电池测试()。

A、停电情况下禁止进入测试

B、油机发电情况下禁止进入测试

C、电压低于48V(24V系统中低于24V),禁止进入测试

D、电池容量不到额定容量的80%,程序则禁止进入测试

题型:单项选择题 A1/A2型题

实质性改变中的税则归类改变是指产品经加工后,在《海关进出口税则》中4位数一级的税则归类已经改变;从价百分比是指加工增值部分占新产品总值的比例超过30%。

题型:单项选择题 A1/A2型题

绝大部分氧化铝都用于()。

A、耐火材料

B、医药

C、电子

D、电解炼铝

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