[多项选择]在临床疗效实验中，所需样本量的计算，下列哪些是不正确的（）
A. P越大，所需样本量越大
B. P越小，所需样本量越大
C. 所需样本量的大小与P无关
D. α越大，所需样本量越大
E. β越大，所需样本量越大

[单选题]引起骨折不愈合的因素不包括（ ）。
A.粉碎骨折
B.理疗
C.固定不确切
D.年老
E.骨折局部感染

[多选题]

5．工作票签发人应由本单位  （）  等具有相应安全等级的技术人员担当   

1. 
   

A.

1. 检修车间       
2. 
   

B.

1. 供电车间       
2.   

C.

• 技术科    
• 
  

D.

• 安全科  

[多选题]对于接触网电压波动，将稳定的直流电压向VVVF逆变器装置供应时所需的设备是（ ）
A.高速断路器
B.滤波电抗器
C.滤波电容器
D.制动斩波器
E.充电接触器

[单项选择]Reading is not the only way to gain knowledge of the work in the past. There is another large reservoir (知识库) which may be called experience, and the college student will find that every craftsman (工匠) has something he can teach and will generally teach gladly to any college student who does not look down upon them. But the demonstration (示范) and report of what happens, and how it happens are correct even if the reports are in completely unscientific terms (术语). Presently the college student will learn, in this case also, what to accept and what to reject.
Another source of knowledge is the vast store of traditional practices handed down from father to son, or mother to daughter, of old country customs, of folklore (风俗). All this is very difficult for a college student to examine, for much knowledge and personal experience is needed here to separate good plants from wild grass. The college student should learn to realize and remember how much of real value science has found in t
A. The college students have trouble separating good plants from wild grass.
B. Craftsman’s experience is usually unscientific.
C. The contemptuous (傲慢的) college students will receive nothing from craftsmen.
D. Traditional practices are as important as experience for the college student.

[判断题]室外使用的电焊机应设有防水、防晒、防砸的机棚，并备有消防用品。
A.正确
B.错误

[单选题]下列选项不属于 BIM 技术在设计阶段的应用的是()。
A.可视化设计交流
B.安全管理
C.协同设计与冲突检查
D.施工图生成

[判断题]专职监护人在作业中可从事一些较为简单的工作。
A.正确
B.错误

[判断题] ( )含烷烃的废渣通常采用陆地填筑法。
A.正确
B.错误

[判断题]石油特别收益金的计算公式为〔月加权平均价格×征收率-速算扣除数〕×销售量×美元兑换人民币汇率。
A.正确
B.错误

[单项选择]局域网操作系统分为面向任务型和( )
A. 基础型
B. 常用型
C. 存储型
D. 通用型

[单选题]违反国家规定,针对( )实施干扰采样,致使监测数据严重失真的,应当以破坏计算机信息系统罪论处。
A.废水自动监控系统
B.废气自动监控系统
C.污水处理系统
D.环境质量监测系统

[单项选择]