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【单选题】
What does the term “atomic” mean in the context of relational databases?A.
One unit of information that cannot be decomposed.
B.
A column or row of data. Depends on the context.
C.
A tuple that cannot be reduced.
D.
Fixed schema of a particular database.
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举一反三
【简答题】多尔把他设想的后现代课程标准概括为“4R”,即()()()()。
【简答题】Listen to the passage "How Pensions Work in the United States" and answer Question 12-15.
【简答题】_______ answered the question "how do you get what you want using just the words?" in __________ written more than 2000 years before.
【单选题】The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the...
A.
a nominal scale variable.
B.
an ordinal scale variable.
C.
an interval scale variable.
D.
a ratio scale variable.
【单选题】Which of the following is NOT a good answer to the question, "How long will you be staying in the United States?"
A.
1 week
B.
10 days
C.
I have a one-year open ticket
D.
As long as I can
【多选题】多尔把他设想的后现代课程标准概括为“4R”,即:
A.
Regionalism(地域性)
B.
Richness(丰富性)
C.
Recursion(循环性)
D.
Relation(关联性)
E.
Rigor(严密性)
【单选题】2019年4月27日电,经第二十三届( )评审会议评审,共青团中央、全国青联日前决定,授予中铁九桥工程有限公司电焊工特级技师王中美等30人第二十三届“中国青年五四奖章”,“月宫一号”团队等13个青年集体“中国青年五四奖章集体”。 同时,共青团中央主办的2019年“全国向上向善好青年”推选活动结果揭晓,最终推选出爱岗敬业、创新创业、勤学上进、扶贫助困、诚实守信、孝老爱亲6类共计120名“全国向上向善...
A.
“中国青年贡献奖章”
B.
“五四特别荣誉奖章”
C.
“中国优秀青年表彰”
D.
“中国青年五四奖章”
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