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【简答题】
在上题中，属于定量的属性类型是：( ) A标称 B序数 C区间 D相异
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反馈参考答案：
举一反三
【单选题】三极管电流源电路的特点是
A.
输出电流恒定，直流等效电阻大，交流等效电阻小
B.
输出电流恒定，直流等效电阻小，交流等效电阻大
C.
输出电流恒定，直流等效电阻小，交流等效电阻小
D.
输出电流恒定，直流等效电阻大，交流等效电阻大
【单选题】According to Oliver James, an important goal of education is _____
A.
to help students to get good marks in tests
B.
to teach students practical skills
C.
to reduce parents' mental stress of bringing up their children
D.
to create happy citizens with good social skills
【单选题】According to the writer, an important goal of education is _____.
A.
to help students to get good marks in tests
B.
to teach students practical skills
C.
to reduce parents’ mental stress of bringing up their children
D.
to create happy citizens with good social skills
【单选题】Which of the following is an important goal of regional economic integration?
A.
to increase the selling prices of products
B.
to raise the living standards of people
C.
to limit the choice of products available to customers
D.
to establish a socialist government
【单选题】_____ altruistic behavior is an important goal of the project.
A.
Increasing
B.
To increase
【判断题】An important goal of outplacement services for laid - off workers is to help them remain productive, pending their layoff.
A.
正确
B.
错误
【单选题】查询表结果后,新产生的列是没有列名的,如果想给该列更名,需要加上下面哪个关键字( ),该关键字可以省略。
A.
UNIQUE
B.
EXCEPT
C.
AS
D.
NAME
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