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【简答题】
阅读材料,并解答问题: 我们已经了一元一次不等式的解法,对于一些特殊的不等式,我们用作函数图象的方法求出它的,这也是《数学新课程标准》中所要求掌物的内容.例如:如何求不等式 3 x >x+2的呢我们可以设y 1 = 3 x ,y 2 =x+2.然后求出它们的交点的坐标,并在同一直角坐标系中画出它们的函数图象,通过看图,可以发现此不等式的是“x<-3或0<x<1” 用上面的知识解决问题:求不等式x 2 -x>x+3的. (1)设函数y 1 =______;y 2 =______. (2)两个函数图象的交点坐标为______. (3)在所给的直角坐标系中画出两个函数的图象(不要列表). (4)观察发现:不等式x 2 -x>x+3的为______.
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举一反三
【单选题】Oxford, City of Dreaming SpiresOxford is the county town of Oxfordshire and famous worldwide for its prestigious university, the oldest in the English-speaking world. In his poem ‘Thyrsis’ the Victori...
A.
The University of Oxford is the oldest in the English-speaking world.
B.
V isitors are allowed to look around the University of Oxford.
C.
The Radcliffe Camera is a well-known camera.
D.
Some s cenes from the Harry Potter films were shot at Oxford University.
【单选题】SQL Server使用Transact-SQL语句( )来声明游标。
A.
CREAT CURSOR
B.
ALTER CURSOR
C.
SET CURSOR
D.
DECLARE CURSOR
【简答题】在Transact SQL语言中,为局部变量赋值的语句是语句和____语句。
【单选题】Transact-SQL语句中的语句块使用( )。
A.
BEGIN…END
B.
{  }
C.
缩进
D.
以上都不对
【单选题】因客人到会议室,入座的惯例是( )
A.
不拘形式,客人随意就座
B.
离门近为上座,请客人靠左边就座
C.
若与门等距离,左边相对于右边为上座,请客人靠左边就座
D.
先远后近,先右后左
【单选题】Be optimistic, young man! You have to_____ the fact that you have failed in the job interview. [     ]
A.
keep up with
B.
get on well with
C.
agree with
D.
come to terms with
【单选题】More and more people have come to be aware of the fact that they have______ balanced diet and give themselves_____ room in their daily life for necessary exercise.
A.
a; /
B.
the; a
C.
the; the
D.
/; a
【简答题】Transact—SQL与标准SQL相比,数据查询语句有什么不同之处?
【简答题】s______ v. to run or move swiftly; to glide or skim along easily
【简答题】s ___ v. to run with quick short steps, like a child or an animal
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