下列代码中if (x 〉0){System.out.printIn("first");}else if (x 〉-3){System.out.printIn ("second");}else{System.out .printIn("third");}要求打印字符串为"second"时,x的取值范围是______。 A: x〈 =0并且x 〉-3 B: x 〉0 C: x 〉-3 D: x〈 =-3

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 ;

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

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.

请看下面的程序代码,当 n 为( )值时,程序段将输出字符串 second。 [br][/br] switch(n) { [br][/br] case 0: System .out .println(“first”); [br][/br] case 1: [br][/br] case 2: System .out .println(“second”); break; [br][/br] default: System .out .println(“end”); [br][/br] }(2.0) A: 0 B: 1 C: 2 D: 以上都可以

中国大学MOOC: The content of _______reform carried out by Qin Shi Huang was System of Prefectures and counties(郡县制).