【单选题】下面代码运行结果正确的是( ) import java.util.*; public class TestListSet{ public static void main(String args[]){ List list = new ArrayList(); list.add(“Hello”); list.add(“Learn”); list.add(“Hello”); list.add(“We...
【简答题】阅读理解。 On July 23rd, 1993, Wang Jiapeng lost his legs when his plane crashed. Wang was only 12 years old. 'I felt I was the unluckiest person in the world,' says Wang.'When I saw students with their sc...