皮皮学,免费搜题
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【单选题】
关系模式R中属性或属性组X并非R的码,但X是另一个关系模式的码,则称X是R的
A.
主码
B.
外码
C.
候选码
D.
主键
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【简答题】response transform focus yze estimate competitive compensate adopt typical regulate 1. To make our companies _________ in the market, we have to be more creative and productive. 2. People are begi...
【多选题】练习健美操基本步伐,可以提高练习者的()、()和()
A.
节奏感
B.
幅度性
C.
协调性
D.
韵律感
【单选题】Now in Exercise 1, you will watch two speakers talking about whether it is good or bad for students to make investments. Watch carefully and try to identify how they conduct the conversation.Exercise ...
A.
Asking questions
B.
Expressing her opinions first
C.
Giving directions
D.
-
【单选题】In the beginning of the movie I, Robot, a robot has to decide whom to save after two cars plunge into the water—Del Spooner or a child. Even though Spooner screams “Save her! Save her!” the robot resc...
A.
Whether robots can reach better decisions.
B.
Whether robots follow Asimov's zeroth law.
C.
How robots may make bad judgements.
D.
How robots should be programmed.
【单选题】专性厌氧菌惟一产能途径,称为( )
A.
糖酵解
B.
有氧呼吸
C.
需氧呼吸
D.
发酵
【单选题】According to Paragraph 2 ,which of the following statements is true?
A.
Man has been at its worst since the beginning.
B.
Man cannot be better even if he makes some efforts.
C.
Man is in a cycle of being worse or better.
D.
Something bad inside the box can make man become bad.
【简答题】B) 根据句子意思,用括号中所给单词的适当形式填空。 小题1:Generally speaking, people often feel ▲ (sleep) after a big meal. 小题2:Lucy was sad at the ▲ (die) of her pet dog. 小题3:Reading and thinking make you a person with ▲ (wise...
【多选题】增强自制力,控制自己的情绪,可以采用以下哪些方法进行训练:
A.
呼吸调节法
B.
转移注意法
C.
表情调节法
D.
心境调节法
【判断题】儒家讲求入世,重视现实的社会人生问题,强调人道而非天道。
A.
正确
B.
错误
【简答题】Reading comprehension. Mail carriers will be delivering some good news and some bad news this week. The bad news: Stamp prices are expected to rise 2 cents in May to 41 cents, the Postal Regulatory Co...
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