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【简答题】
创建一个名为view_stu的视图，将student数据表中的sno,sname,sbirthday三列导入到该视图中，并分别命名为“”，“姓名”，“出生日期”。 create view as select sno,sname,sbirthday from student; A. view_stu(,姓名,出生日期)
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【单选题】According to Oberg, people go through four stages when
A.
their new experience is interesting and entertaining.
B.
they have to adapt to new and unfamiliar situations.
C.
the customs of the new situation are negative.
D.
their new spouse is very different from their perception.
【单选题】Which of the following statements is true?
A.
Many people go to cinema to have an interesting movie as a substitute.
B.
Many people go out shopping as a way to change their habit.
C.
Many people go to the bookstore to have a good book as a substitute.
D.
Many people go out shopping without a second thought when having pressure.
【单选题】At the end of the nineteenth century, a rising interest in Native American customs and an increasing desire to understand Native American culture prompted ethnolo- gists to begin recording the life st...
A.
The historical backgrounds of two currently used research methods are chronicled.
B.
The validity of the data collected by using two different research methods is compared.
C.
The usefulness of a research method is questioned and then a new method is proposed.
D.
The use of a research method is described and the limitations of the results obtained are discussed.
E.
A research method is evaluated and the changes necessary for its adaptation to other subject areas are discussed.
【简答题】()对于发挥社会主义制度的优越性具有关键性作用。
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