【简答题】将下面的单词和句子与之正确的解释配伍。 1.memorize 2.Long time no see. 3.The pay is good. 4.the hardest part of it is that. 5.It’s a challenge . 6.Will it affect my study? 7.I have managed well. 8. have a try. a. Will it...
【单选题】下列程序的运行结果是______。 package ch1; import java.io. *; public class ex28 { public static void main (String args [] ) throws IOException { try { File f1 = new File('ch1//dir28'); f1.mkdir(); File f2 = new F...