阅读以下Shell程序，它的输出是_____________ #!/bin/sh echo "ok,nice" loop=0 for str in "hello world" do loop=$(($loop+1)) echo "The $loop loop:$str" done A: ok,nice The 2 loop:hello world B: ok,nice The 1 loop:hello world C: The 1 loop:hello world D: ok,nice

下列循环嵌套的结构中，正确的是_______。 A: For i = 2,4,6,8,10 ``` Do ``` Loop While s > 0Next B: For i = 2 To 10 ``` Do While s > 0 ``` LoopNext C: For i = 2 To 10 ``` Do While s > 0 ``` Next Loop D: For i = 2 To 10 ``` Do ``` Next Loop While s > 0

下列循环嵌套的结构中，正确的是_______。 A: For i = 2,4,6,8,10 ``` Do ``` Loop While s > 0Next B: For i = 2 To 10 ``` Do While s > 0 ``` LoopNext C: For i = 2 To 10 ``` Do While s > 0 ``` Next Loop D: For i = 2 To 10 ``` Do ``` Next Loop While s > 0

【单选题】给出以下代码,请问该程序的运行结果是什么?() class Example{ public static void main(String args[]){ loop1: for(int i=0;i<3;i++){ loop2: for(int j=0;j<3;j++){ if(i==j){ break loop2; } System.out.println("i="+i+"j="+j+""); } } } } A. i=1 j=0 B. i=1 j=0 i=2 j=1 C. i=0 j=1 i=0 j=2 i=1 j=0 i=2 j=0 i=2 j=1 D. i=1j=0 i=2j=0 i=2j=1

____________ congestion control to prevent the congestion. A: close loop B: open loop C: end loop

下列可以作为标号的是（）。 A: loop# B: Loop C: #loop D: ;loop

A circular loop of wire is held in a uniform magnetic field, with the plane of the loop perpendicular to the field lines. Which of the following will not cause a current to be induced in the loop? A: crushing the loop B: rotating the loop about an axis perpendicular to the field lines C: keeping the orientation of the loop fixed and moving it along the field lines D: pulling the loop out of the field

Arduino IDE的默认程序段为（ ） A: Setup()和Loop() B: setup()和Loop() C: Setup()和loop() D: setup()和loop()

_____________ congestion control to remove the congestion in a network once it occurred. A: open loop B: end loop C: closed loop

setup()和 loop()调用的函数，就在（ ）核上运行 A: 0 B: 1 C: 2 D: 0、1、2