下列选项中，循环会无限执行的是______。 A: int i = 1 ; while ( i < 10) System .out .print( “ ” + i) ; B: for( int i = 1 ; i < 10 ;i ++) System .out .print( “ ” + i); C: for( int i = 10 ; i > 0 ;i --) System .out .print( “ ” + i); D: int i = 1 ; while (true) { System .out .print( “ ” + i); i ++ ; if ( i > 5) break ;

如果成绩cj大于等于60，则输出“恭喜你过关了!”，正确的语句为（）。 A: ifcj >;60System.out.print("恭喜你过关了!"); B: if ( cj >;=60)System.out.print("恭喜你过关了!"); C: if [cj >;=60]System.out.print("恭喜你过关了!"); D: if >;=60System.out.print("恭喜你过关了!");

New students spend hours in the library, trying to（）the system of arranging the books. A: work out B: cross out C: set out D: put out

The command wc –l some_file will print out the number of:

10. A control system ought to both point out the problem and specify the solution.

The role of the ______ branch of government is to carry out the political system’s policies, laws or directives.

5. In order to find out more information about this alarm system, one can _______.

The ALU tells the rest of the computer system how to carry out a program's instructions.

A software tester’s task is to help find out the bugs in a software system before it is released.

下列程序的运行结果是（）。 public class Test public static void main ( String [ ] args ) int count = 0 for( int i = 1 i < 5 i = 2) for( int j = 1 j< = 10 j = 3) count System .out .print (count ) _