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【简答题】
下面的时间复杂度是 i=s=0; while (s
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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“学号”，“姓名”，“出生日期”。 create view as select sno,sname,sbirthday from student;A. view_stu(学号,姓名,出生日期)
【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“学号”，“姓名”，“出生日期”。 create view as select sno,sname,sbirthday from student;A. view_stu(学号,姓名,出生日期)
【单选题】As for the pronunciation of 'a' in a word like 'dance', ______
A.
all Americans pronounce it as [ae]
B.
all British people pronounce it as [a:]
C.
educated speakers in Britain pronounce it as [a:]
D.
people in American West pronounce it as [a:]
【单选题】As for the pronunciation of 'a' in a word like 'dance', ______.
A.
all Americans pronounce it as [e]
B.
all British people pronounce it as [ o: ]
C.
educated speakers in Britain pronounce it as[ a: ]
D.
people in American West pronounce it as [ a: ]
【单选题】What are the speakersdiscussing?
A.
Whetherto go on a holiday．
B.
Howto pay for the house．
C.
Whetherto find a better job．
【简答题】创建一个名为view_score_ch的学生成绩视图，只查询成绩及格(大于60分)的学号、姓名、课程、成绩、学期信息，并通过该视图将学号为11001、课程名称为电子商务基础的成绩先修改为90分，再修改为50分。
【单选题】As for the pronunciation of 'a' in a word like 'dance',______.
A.
all Americans pronounce it as [se]
B.
all British people pronounce it as [a:]
C.
educated speakers in Britain pronounce it as [a:]
D.
people in American West pronounce it as [a:]
【单选题】All the students at school are required to ____ lectures by the experts on howto save themselves when accidents occur, such as fires, a gas leak and so on.
A.
join in
B.
take part in
C.
attend
D.
participate in
【单选题】What is the proper way to pronounce the same sound linking, such as “kiss someone”?
A.
Pronounce the sound only once.
B.
Pronounce the sound twice.
C.
Hold the same sound longer.
D.
None of the above.
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