The number of students in our school is（) .A of the riseB out the riseC in the riseD on

A.student

B.studen

C.studet

D.students

in the subject.

A、find out

B、to find out

C、finding out

D、found out

An appropriate English equivalent to the Chinese expression 留学生 is().

A、foreign students

B、abroad students

C、international students

D、overseas

As far as I know，Lily can speak English ___________ (fluently) than any other student in her class.

VBA中打开student表的语句是（）。

A.Docmd．OpenForm"student"

B.Docmd．OpenQuery"student"

C.Docmd．OpenTable"student"

D.Docmd．Openreport"student"

VBA中打开“student”表的语句是（）。

A. Docmd．Open．Form”student”

B. Docmd．Or,enQuery”student”

C. Docmd．Ot,enTable”student”

D. Docmd．Openreport”student”

What is said about teachers rated as good at keeping their classes in order？

A．Their students gain more in test scores.

B．Their classes stay busy and don't waste time.

C．Their students learn fastest during a semester.

D．They help students learn to correct their mistakes.

下列数据类型定义中，正确的是

A．Type Student Num As Long Name As String End Type

B．Type Student Num As Integer Name As String * 10 End Type

C．Private Type Num As Long Score As Single End Type

D．Private Type Student Name As String Score(10)As String * 10 End Type

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")

已知有关系“STUDENT”，则关系运算σANE＜80(STUDENT)用SQL语句表示为(52)。

A．SELECT(* )FROM STUDENT WHERE AVE ＜ 80

B．SELECT(* )FROM STUDENT HAVING AVE ＜ 80

C．SELECT(AVE)FROM STUDENT WHERE AVE ＜ 80

D．SELECT(AVE） FROM STUDENT HAVING AVE ＜ 80

A.匿名类型即可配合局部变量使用，也可以用于类成员。###SXB###B.匿名类型借助var关键字进行创建，可以把它理解为类型占位符，它并不是C#中的一种基本类型。###SXB###C.匿名类型能在程序员编写程序的时候，自动计算出等式右边的类型，而且支持智能感知。###SXB###D.var student = new { LName="Jones",FName="Mary",Age=19,Major="Histroy"}; 这段代码创建了一个叫做studen的，有3个string属性和一个int属性的匿名类型。