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问题 选择题

The boy is sitting ____________ her father and mother. [ ]

A. among

B. between

C. after

D. before

答案

答案：B

填空题

下面程序段是从对象流中读取对象，请将程序补充完整。import java. util.*；import java. io.*;public class UnSerializaDate {Date d=null;UnSerializaDate() { try{ FileInputStream f=new FileInputStream("date. ser"); ObjectInputStream s=new ObjectInputStream(f); 【13】 f. close(); } catch(Exception e){ e. printStackTrace(); }}public static void main(String args[]){ UnSerializaDate a=new UnSerializaDate(); System. out. println("The date read is:" +a.d.toString());}}
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判断题

含Mo钢在正火时，易出现粒状贝氏体，是由于Mo使C曲线右移所致。
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