The teacher told the student that light()faster.
A.travels
B.traveled
C.would travel
第1题:
“teacher” and “student” are converses.()
第2题:
第3题:
Student: I'm nervous.
Teacher:______. Betty, you'll finish it quickly.
第4题:
在以下程序段的空白处填入(),能够正确输出teacher。 #include<stdio.h> main() {char *p[3]={"student","teacher","classroom"}; printf("%s", ); }
A.*(p+1)
B.*p+1
C.*p[1]
D.*p+7
第5题:
从Student类和Teacher类多重派生Graduate类
第6题:
Teacher:Where is Mike this morning?
Student:He's got a cold.
Teacher:______
A、He is absent.
B、What's the matter with him?
C、Just tell him to take it easy.
D、What? Where is he?
第7题:
类Teacher和Student是类Person的子类; Person p; Teacher t; Student s; //p, t and s are all non-null. if(t instanceof Person) { s = (Student)t; } 最后一句语句的结果是:()
A.将构造一个Student对象;
B.表达式是合法的;
C.表达式是错误的;
D.编译时正确,但运行时错误。
第8题:
A、teacher and student
B、teacher:student
C、teacher/student
D、teacher?student
第9题:
在视频中,父类Person、子类Student和Teacher,都必需定义whoAmI()方法。
第10题:
【简答题】5.6编写一个Java应用程序,要求有3个线程:studentl、student2和teacher,其中线程studentl准备“睡”1分钟后再开始上课,线程student2准备“睡”5分钟后再开始上课。teacher在输出4句“上课”后,“唤醒”了休眠的线程studentl;线程studentl被“唤醒”后,负责再“唤醒”休眠的线程student2。