A. exceptional B. exceeding C. excess D. external
A.exceptional
B. exceeding
C. excess
D. external
A.exceptional
B. exceeding
C. excess
D. external
设随机变量X取非负整数值,P{X=n)=an(n≥1),且EX=1,则a的值为 ()
A.
B.
C.
D.1/5
B. develop; C. developed} of web, multimedia and mobile applications.
With headquarters in Thessaloniki, Tessera has developed business activities covering the whole Greece and has developed a significant partner network and a large customer base {A. by; B. on; C. with} investing in long-term relationships of trust and reliability.
Our company has designed and successfully implemented a significant number of complex software {A. projection; B. project; C. projects} in a wide range of sectors.Tessera has gained exceptional experience in designing web sites and portals, educational games, e-commerce applications and mobile apps.
Tessera seeks to be always {A. keep in touch; B. up to date; C. contact} with current trends and advancements in software technology, constantly investing in new technologies and human resources.
The development department consists of {A. new; B. qualified; C. temporary} staff ensuring high quality, integrated services.At the same time, our personnel is trained systematically in deploying new technologies, aiming that our productions are always on the cutting edge of technology.
A.光波沿x轴正向传播。
B.原点的初位相是。
C.当t=2.5×10-15S时,原点处的电场矢量E沿Y轴正向。
D.当t=2.5×10-15时,原点处的磁感应强度矢量B沿x轴正向。
A.光波沿x轴正向传播。
B.原点的初位相是2。
C.当t=2.5×10-15S时,原点处的电场矢量E沿Y轴正向。
D.当t=2.5×10-15时,原点处的磁感应强度矢量B沿x轴正向。
下列程序运行的结果为:
public class Example{
String str=new String("good");
char[] ch={'a','b','c'};
public static void main(String args[]){
Example ex=new Example();
ex.change(ex.str,ex.ch);
System.out.print(ex.str+" and ");
Sytem.out.print(ex.ch);
}
public void change(String str,char ch[]){
str="test ok";
ch[0]='g';
}
}
A. good and abc
B. good and gbc
C. test ok and abc
D. test ok and gbc
A.exceptional
B.exceptionable
C.exceptionally
D.exceptionably