The old man asked the girl to take anoth

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问题选择题

The old man asked the girl to take another seat _______ he wanted to sit next to his wife. [ ]

A. because

B. so that

C. so

答案

答案：C

单项选择题 A1型题

上颌骨的突起包括（）。

A.蝶突、颧突、鼻突和腭突

B.颧突、额突、牙槽突和腭突

C.颧突、鼻突、上颌突和腭突

D.蝶突、颧突、牙槽突和腭突

E.额突、颧突、上颌突和腭突

单项选择题

设有关系模式：student(sno, sname, age, dept)，现利用命令： CREATE VIEW stu AS SELECT *FROM student WHERE dept="cs"WITH CHECK OPTION 创建了一个视图。则以下SQl命令中能正确执行的是

A．UPDATE stu SET dept="maths"

B．UPDATE stu SET dept="maths"WHERE age＞=20

C．INSERT INTO stu VALUES ("2004001", "John", 30, "cs")

D．INSERT INTO stu VALUES ("2004001", "John", 50, "maths")