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【简答题】
已知函数 的定义域为 ，且 的图象连续不间断. 若函数 满足：对于给定的 （ 且 ），存在 ，使得 ，则称 具有性质 . （1）已知函数 ， ，判断 是否具有性质 ，并说明理由； （2）已知函数 若 具有性质 ，求 的最大值； （3）若函数 的定义域为 ，且 的图象连续不间断，又满足 ， 求证：对任意 且 ，函数 具有性质 .
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举一反三
【单选题】接上题，要实现该分频电路的功能，则(1)应为（ ）。module div2430(clk,clkout);input clk;output reg clkout;reg [10:0] cnt;always@(posedge clk)beginif(cnt== 11'b1214) (1) ;else cnt<=cnt+1'b1;endalways@(posedge clk)beginif...
A.
cnt<=0;< /div>
B.
clkout<=1'b0;< /div>
【单选题】Why are some adults easy to lose their temper according to Dr. Menninger?
A.
They probably grow up in poor families.
B.
They are born to experience failures.
C.
They probably have been spoiled by indulgent parents.
D.
They may have received undue frustrations in childhood.
【单选题】It’s easy for some women to be ________ by products promising to help lose weight soon.
A.
brought in
B.
brought up
C.
taken on
D.
taken in
【单选题】__________ usually results in a water shortage that seriously interferes with干涉,妨碍 human activity. Its seriousness depends on the degree of the water shortage, size of area affected, and the duration持...
A.
volcano
B.
earthquake
C.
hurricanes
D.
drought
E.
tsunami
F.
floods
【单选题】_____you don’t lose heart, it will be easy for you to overcome the difficulties.
A.
As well as
B.
So long as
C.
So far as
D.
As soon as
【单选题】框架柱平面布置图中,关于 KZ7,下列说法错误的是( )
A.
截面尺寸为 450 × 500,单位是mm
B.
从基础到柱顶纵向钢筋有直径 16和18两种规格，采用HRB400钢筋
C.
从基础到柱顶箍筋仅有直径 8一种规格，且采用HPB300钢筋
D.
有个别 KZ7的箍筋间距是全高加密为100mm的
【单选题】Jack is a changeable man , he is easy to lose ___________.
A.
weight
B.
life
C.
temper
D.
way
【简答题】阅读理解。 With eerily (怪异地) clear and quiet skies across the entire length and breadth of the United Kingdom, the Icelandic volcanic eruption seems to create even more disruption and chaos. The major erup...
【判断题】预防车螺纹时产生乱扣的方法 1 、采用正反车法来退刀,即在第一次行程结束时,不提起开合螺母,把刀沿径向退出后,将主轴反转,使车刀沿纵向退回,再进行第二次行程,这样往复过程中,因主轴、丝杠和刀架之间的传动没有分离过,车刀始终在原来的螺旋槽中,就不会出现乱扣。 2 、对于车削车床丝杠螺距与工件螺距比值成整倍数的螺纹。 3 、工件和丝杠都在旋转,提起开合螺母后,至少要等丝杠转过一转,才能重新合上开合螺母...
A.
正确
B.
错误
【单选题】It is not so easy to diagnose male depression primarily because______.
A.
few men lose their interest in enjoyable activities
B.
few men are willing to openly express their feelings
C.
men tend to use more lethal methods of committing suicide
D.
there are fewer men who attempt to commit suicide than women
相关题目：
【单选题】接上题，要实现该分频电路的功能，则(1)应为（ ）。module div2430(clk,clkout);input clk;output reg clkout;reg [10:0] cnt;always@(posedge clk)beginif(cnt== 11'b1214) (1) ;else cnt<=cnt+1'b1;endalways@(posedge clk)beginif...
A.
cnt<=0;< /div>
B.
clkout<=1'b0;< /div>