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【判断题】
主键不能作为另一个关系的外键。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】社会主义核心价值体系的主要内容
A.
马克思主义指导思想
B.
中国特色社会主义的共同理想
C.
以爱国主义为核心的民族精神
D.
以改革创新为核心的时代精神
E.
社会主义荣辱观
【简答题】社会主义核心价值体系的主要内容有
【简答题】阅读理解。 The rich and the poor The world is divided (分为)into two main parts . The difference is that one part is rich and the other is poor . In the poor part , a lot of people never get enough to eat ....
【简答题】A．The third finger is the lucky finger. B．The third finger is the middle finger. C．The third finger is supposed to be linked to the heart. D．The third finger is a symbol of lasting affection.
【简答题】社会主义核心价值体系的主要内容是什么?
【简答题】社会主义核心价值体系的主要内容
【单选题】听力原文：(A) The man is raking the dirt. (B) The man is working near the lake. (C) The man is taking off his vest. (D) The man is watering the plants with a bucket.
A.
B.
C.
【单选题】Which of the following is NOT the result of burning garbage?
A.
The garbage burned is turned into fossil fuels.
B.
The heat produced is used to boil water.
C.
The steam produced is used to make electricity
D.
The steam produced is used to heat buildings.
【简答题】A.The brain is less damaged. B.The brain is more damaged. C.The patients thinking level is higher. D.The patients thinking level is lower.
【单选题】Which of the following statements about the PAN is true?
A.
It is the same as the Internet today.
B.
It is the foundation of the PAN processor.
C.
It is invented only for scientific research.
D.
It develops from the PAN processor.
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