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【单选题】
在关系代数中,自然连接操作由( )组合而成。
A.
投影和笛卡儿集
B.
投影、选择和笛卡儿集
C.
选择和笛卡儿集
D.
投影和选择
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参考答案：
举一反三
【简答题】Which of the following is NOT mentioned as the uses of textile fibers? [A] In the creation of home furnishings. [B] In building blocks. [C] In building trades. [D] In transportation.
查看完整题目与答案
【单选题】Which of the following would be the best title of the passage?
A.
PepsiCo's Marketing Strategy
B.
PepsiCo's Success as a Major Supplier
C.
Enrico's Successful Career
D.
PepsiCo's Success and Its Magic Creator
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上、与车轮同步转动。
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上与车轮一起转动。
A.
正确
B.
错误
查看完整题目与答案
【判断题】审计准则是注册会计师实施审计工作时应遵循的行为规范，但它不是衡量审计工作质量的标准。（ ）
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上，转子安装在车轮轮毂上、与车 轮同步转动
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上,和车轮同步转动。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following is NOT mentioned as the uses of textile fibers?
A.
In the creation of home furnishings.
B.
In building blocks.
C.
In building trades.
D.
In transportation.
查看完整题目与答案
【单选题】Which of the following uses of nanotechnology is NOT mentioned in the passage?
A.
To make beauty products and dirt-resistant clothing.
B.
To produce better and lighter building materials.
C.
To help more accurately diagnose diseases.
D.
To help more effectively treat diseases.
查看完整题目与答案
【单选题】The Chinese language _______ many western languages _______ it uses characters which have meanings and can stand alone as words.
A.
different from; in that
B.
differs from; in which
C.
differs from; in that
D.
is different from; in which
查看完整题目与答案
相关题目：
【简答题】Which of the following is NOT mentioned as the uses of textile fibers? [A] In the creation of home furnishings. [B] In building blocks. [C] In building trades. [D] In transportation.
查看完整题目与答案
【单选题】Which of the following would be the best title of the passage?
A.
PepsiCo's Marketing Strategy
B.
PepsiCo's Success as a Major Supplier
C.
Enrico's Successful Career
D.
PepsiCo's Success and Its Magic Creator
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上、与车轮同步转动。
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上与车轮一起转动。
A.
正确
B.
错误
查看完整题目与答案
【判断题】审计准则是注册会计师实施审计工作时应遵循的行为规范，但它不是衡量审计工作质量的标准。（ ）
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上，转子安装在车轮轮毂上、与车 轮同步转动
A.
正确
B.
错误
查看完整题目与答案
【判断题】汽车前轮上的传感器一般固定在车轮转向架上,转子安装在车轮轮毂上,和车轮同步转动。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following is NOT mentioned as the uses of textile fibers?
A.
In the creation of home furnishings.
B.
In building blocks.
C.
In building trades.
D.
In transportation.
查看完整题目与答案
【单选题】Which of the following uses of nanotechnology is NOT mentioned in the passage?
A.
To make beauty products and dirt-resistant clothing.
B.
To produce better and lighter building materials.
C.
To help more accurately diagnose diseases.
D.
To help more effectively treat diseases.
查看完整题目与答案
【单选题】The Chinese language _______ many western languages _______ it uses characters which have meanings and can stand alone as words.
A.
different from; in that
B.
differs from; in which
C.
differs from; in that
D.
is different from; in which
查看完整题目与答案
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