听力原文:(A) The helicopter is on the ground. (B) There is a column-like tower in the picture. (C) The plane wants to rescue the man on the tower. (D) The helicopter has some engine problems.
【简答题】假设有 A 、 B 、 C 、 D 四个人投票,由他们决定投票是否通过,此时就到了逻辑运算符“大显身手”的时候了。请在编辑器中第 7 、 8 、 9 、 10 行中填写代码,将程序补充完整: public class HelloWorld { public static void main(String[] args) { boolean a = true; // a同意 boolean b = ...