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【单选题】
下列哪一项不属于消费者的法律特征 ( )
A.
消费的主体是指自然人
B.
消费者的消费性质属于生活消费
C.
消费的客体是商品和服务
D.
消费者的消费对象由消费者提供
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【单选题】报关企业注册登记许可期限为( )。
A.
两年
B.
三年
C.
十年
D.
长期有效
【单选题】下列说法错误的是()
A.
低温变脆现是压力容器经常遇到的现象。
B.
并不是所有金属都会低温变脆。
C.
具有体心立方晶格的金属,如碳素钢和低合金钢,都会低温变脆。
【单选题】The histogram of returns data for the Accel Equity Fund has a long left tail and is more peaked than a normal distribution.. Based on the histogram, the distribution of returns for Accel has:
A.
positive skewness.
B.
negative skewness.
C.
negative excess kurtosis
【单选题】For the histogram of an image as shown, if we want to perform histogram equalization, s(3) should be ( )
A.
4
B.
5
C.
6
D.
7
【判断题】为防止受限空间内作业人员发生因缺氧窒息死亡事故的发生,可以在受限空间外用氧气瓶内的氧气向受限空间内补氧。
A.
正确
B.
错误
【单选题】Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each...
A.
4
B.
152
C.
275
D.
388
【单选题】The suggested interval size of the class intervals for a histogram can be estimated by:
A.
consecutive lower class limits divided by 2
B.
consecutive lower class limits divided by the total number of observations.
C.
using the formulas:     i>(H-L)/K
D.
consecutive lower class limits divided by the number of frequencies in each class.
【单选题】The histogram below displays the frequencies of waiting times, in minutes, for 175 people waiting a police officer. Which of the following could be the median of waiting time, in minutes?【图片】
A.
2.5
B.
7.25
C.
12.25
D.
15
【判断题】企业应当建立会计档案管理制度,不论会计资料以何种载体形式进行储存,都应该归档管理,应当遵循国家有关会计档案管理的规定。
A.
正确
B.
错误
【判断题】为防止受限空间内作业人员发生因缺氧窒息死亡事故的发生,可以在受限空间外用氧气瓶内的氧气向受限空间内补氧。()
A.
正确
B.
错误
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