类Teacher： class Teacher{   String name； float salary；  Teacher（String name）{    this.name = name； }  Teacher（String name，float salary）{   this.name = name；    this.salary = salary； } }  执行语句Teacher t = new Teacher（“Tom”，2000.0f）；后，字段salary的值是哪一项？（）  

When a teacher says to the whole class，"Stand up and act out the dialogue"，he/she is playing the role of a(n)___.

If the teacher were talking too much in class the students would not be learning.（）

When a teacher says to the whole class，" stand up and act out the dialogue，he/she is playing the role of a(n)______.

In the geography class, the teacher explained wind and water might cause soil（）

But in elementary and high schools, Apple has gone from teacher's pet to the back of the class. The previous sentence means that Apple has not been as popular with elementary and high schools as before.

Teacher’s Pet means the pet which a teacher keeps.

Tom was the only one of the boys who _______ praised by our teacher at the class meeting yesterday.

What is the teacher's routine when he doing his class?

I like the teacher ________ classes are very interesting and creative.

The teacher will talk about more examples of phobias next class.

The teacher called the ______ of the three classes for a meeting.

请看如下代码 class Person {private int a;public int change(int m){return m;}}public class Teacher extends Person{public int b;public static void main(String arg[]){Person p = new Person();Teacher t = new Teacher();int i;// point x}}下面哪些放在// point x?行是正确的？

Janet, ______was read by the teacher, is a top student in our class.

______good teacher should not do all______talking in______class.

根据首字母和英文释义填写单词. Our Chinese teacher has a good sense of humor .In class ,he always makes his class interesting and gives d＿(great pleasure ,joy) to us.

The teacher doesn’t permit ________ in class.

The teacher didn't begin the class ______ all the students ______．

John had made________rapid progress that the teacher praised him in class．

Students’ attention should be focused ______ their teacher’s lectures in class.

Before Mr. Fleagle became the English teacher for Baker’s class, the English course had been interesting（）

Having clear learning objectives and sufficient relevant activities is what a teacher needs to do in the stage of planning and preparation for the class.

Teacher John wrote “well-will; big-beg; ship-sheep” on the blackboard. What is he teaching in this class？

When a teacher asks the students to find some key words from a text quickly, he/she is intended to train students __________strategy in reading class.

定义Teacher类，在该类中封装有工号，姓名，工资信息，可以使用索引器写该类中封装的这三个信息。定义函数PrintInfor，用于输出封装的三个信息。定义函数PrintNum，用于输出当前老师对象的数目。 定义ExcellentStudent类，该类继承自Teacher类，可以从父类中继承工号，姓名，工资信息，额外封装奖金信息。重写PringInfor函数，用于输出工号、姓名、工资、奖金。 主函数中，创建3个Teacher对象，3个ExcellentTeacher对象，放在数组中。调用PrintNum函数输出教师数。使用索引器，修改3个ExcellentTeacher对象的工资信息，每个人的工资额加上100。按照工资的降序排序6个对象，将排序前，和排序后的信息输出。