In speaking activities, a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler on。

What learning strategy does the speaker use?

根据题目要求完成下列任务，用中文作答。 

下面是某堂课的教学材料。

根据上面的信息，从下面三个方面作答： 

(1)这份材料属于哪种语篇类型？ 

(2)这份材料适合于哪种课堂教学？说明理由（至少写出两个要点）。 

(3)分析教师选用文本材料时需要考虑的基本要素（至少写出j个要点）。 

For better classroom management, what should the teacher do while the students are doing activities?

根据题目要求完成下列任务，用中文作答。

什么是课堂总结？它的作用是什么？请具体说出两种课堂总结方法并举例。

In a few years an intelligent computer will certainly be an_____diagnostic tool for doctors。

The plain occupies the west,south and central parts of the continent,though considerable variation sare to be found over so＿＿anare。

The police were seeking more information to find out ________ the rich man.

When a teacher asks students to rearrange a set of sentences into a logical paragraph, he/she is trying to draw their attention to。

Which of the following does a teacher want his/her students to develop if he/she guides them to take notes using key words, abbreviations and symbols？

Which of the following features is not involved in good textbooks？