the teacher give students 2 minutes to skim a text, and when time is up, he asks students to stop and answer some questions. in this way, the teacher’s role is a／an _____________. A. prompterB. organizerC. controllerD. participant
the teacher give students 2 minutes to skim a text, and when time is up, he asks students to stop and answer some questions. in this way, the teacher’s role is a／an _____________.
A. prompter
B. organizer
C. controller
D. participant
相关考题：
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?
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。
类Teacher和Student都是类Person的子类 Person p; Teacher t; Student s; 若p,t和s都是非空值 if（t instanceof Person) { s = （Student)t; } 若默认new时声明的都是本类，这个语句导致的结果是（）A．将构造一个Student对象B．表达式合法C．编译时非法D．编译时合法而在运行时可能非法
类 Teacher 和 Student 是类 Person 的子类; Teacher t; Student s; // t and s are all non-null. if （t instanceof Person ){ s=（Student)t; } 最后一条语句的结果是: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。
“一旦小玲写完了实验代码并且运行成功，她就不会延迟提交论文并且周一会给老师看。”以下表示正确的是：A．finish(小玲，代码)∧work(代码) → delay_submit(小玲，论文) ∨ give(小玲，论文，teacher(小玲))B．finish(小玲，代码)∧work(代码) ∧ ¬delay_submit(小玲，论文) ∧ give(小玲，论文，teacher(小玲))C．finish(小玲，代码)∧ work(代码) ∧ ¬delay_submit(小玲，论文) ∧ give(论文，teacher(小玲))D．finish(小玲，代码)∧ work(代码) → ¬delay_submit(小玲，论文) ∧ give(小玲，论文，teacher(小玲))
声明并创建一个学生类Student的对象s，下列语法格式正确的是（）。A．Student s = Student();B．Student s;C．Student s = new Student();D．Student s = new ();
创建students对象，_______语句可以选出第二个同学的身高。 students数据如下： age height weight 1 19 170 68 2 20 165 65 3 18 175 65A．students[1,'height']B．students.loc[2,'height']C．students.iloc[1, 1]D．students['height'][3]
创建students对象，_______语句可以选出第二个同学的身高。 students数据如下： age height weight 1 19 170 68 2 20 165 65 3 18 175 65A．students.loc[2,'height']B．students.iloc[1, 1]C．students[1,'height']D．students['height'][3]