下面为某学生配制100g11%的NaCl溶液的主要操作步骤,其中错误的操作步骤和

题型:选择题

问题:

下面为某学生配制100g 11%的NaCl溶液的主要操作步骤,其中错误的操作步骤和配出溶液的质量分数为(  )

A.AB,大于11%

B.AB,小于11%

C.ABC,大于11%

D.ABC,小于11%

考点:溶液的配制
题型:选择题

根据短文内容,判断下列句子的正 ( R )与误 ( W )。

     At school I have a good friend. Her name is Jenny Black. She is from England. Her father is a doctor.

Her mother is a teacher. They are all in China. She has a sister. She is eighteen. She is in Oxford University

(牛津大学). Jenny and I are in the same grade. She is in Class 4, and I am in Class 5. After school she

teaches me English and I teach her Chinese. We often help each other.

( )1. Jenny is an English girl.

( )2. Jenny's family all live in China.

( )3. Jenny and I are in the same class.

( )4. Jenny's sister is a university student.

( )5. There are five people in the passage.

题型:选择题

订单变更单可变更哪些内容()?

A.数量

B.单价

C.预计交货日

D.客户编号

题型:选择题

CT机的后准直器位于哪个部位()

A.探测器前 

B.探测器后 

C.X线管窗口 

D.X线管右侧 

E.X线管左侧

题型:选择题

持续改进应是()的职责。

A、最高管理者

B、管理人员

C、技术人员

D、全体员工

题型:选择题

患者男性,37岁,农民。用乐果喷洒果树,出现恶心、呕吐、出汗。查体可见神志清楚,心肺未闻异常。

对该患者最有诊断意义的辅助检查是

A.全血胆碱酯酶活力测定

B.血气分析

C.肝功能检查

D.心肌酶学检查

E.心电图检查

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