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【单选题】
已知如下关系:学生Student(S#, Sname),课程Course(C#, Cname, T#),选课SC(S#, C#, Score),教师T(T#, Tname)。其中S#为学号,Sname为学生命名,C#为课号,Cname为课程名,T#为教师编号,Score为成绩,Tname为教师名。 阅读SQL语句 Select S# From SC SC1 Where SC1.C# = ‘C01’ AND S# IN (Select S# From SC SC2 Where SC2.C# = ‘C02’ AND SC1.S#=SC2.S# AND SC1.Score>SC2.Score); 关于其查询结果,下列说法正确的是_____。
A.
C01同学比C02同学成绩高的所有课程的课号
B.
C01课程比C02课程成绩高的所有学生的学号
C.
比C02课程成绩高的所有学生的学号
D.
其它选项的说法都不正确
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【单选题】Unit 5 Part 3 Video Understanding main ideas. Watch the video for the first time. Choose the best answer to the following questions. Part3Video.wmv 1. What caused the mother to get most upset in the v...
A.
When the daughter applied to an American university.
B.
When the daughter used a common American phrase about needing space.
C.
She had to walk 1.3 miles from the Clasky house to the bus stop.
D.
When she found clarity.
【单选题】Langdon demanded, his confusion now giving way to anger. "Why would I want to kill Jacques Saunière?" What can we know from these sentences?
A.
He was very confused and wanted to know why he was misunderstood to be suspect.
B.
He was very confused why he should kill Jacques Saunière.
C.
He was very angry and wanted to know why he was misunderstood to be suspect.
D.
He was very angry why he should kill Jacques Saunière.
【多选题】植物化感化合物可以来源于植物的:
A.
B.
C.
D.
种子
E.
【单选题】()可能对飞机侧向稳定产生不利的影响
A.
两个垂直尾翼
B.
机翼上反角
C.
机翼后掠角
D.
三个垂直尾翼
【判断题】在数据通信和计算机网络中,二进位信息是一位一位串行传输的,因此传输速率的度量单位是每秒多少比特。(2008)
A.
正确
B.
错误
【简答题】Dr. Tully created genetically engineered fruit flies that he said had' ______.'
【简答题】Unit 3 IN-Depth Part 1 Choose the best answer to each question according to the passage.
【简答题】A.reassemble B.reduce C.re-create D.retransmit
【简答题】A.reassemble B.reduce C.re-create D.retransmit
【简答题】新理念高职英语2 part3 作业 Answer the following questions and then discuss with your partners.( In PPT page19) What did fashion give the author? What norms should s follow? What does fashion mean to the au...
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