Ghost, dragon and unicorn do not exist in the world, and Confucius is not present at this moment, but we can still use language to refer to them. This reflects that language has the feature of_____。

根据题目要求完成下列任务，用中文作答。

下面是某教师在阅读课教案中设计的教学目标。该单元的话题是Animals.

根据所给信息从下列三个方面作答：

(1)分析上述教学目标存在的三个问题;

(2)提出三条相应的建议;

(3)分别修改各项教学目标。

根据提供的信息和语言素材设计教学方案，用英文作答。

设计任务：请阅读下面学生信息和语言素材，设计20分钟的英语语法教学方案。

该方案没有固定格式，但须包含下列要点：

●teaching objectives

●teaching contents

●key and difficult points

●major steps and time allocation

●activities and justifications

教学时间：20分钟

学生概况：某城镇普通中学初中三年级（九年级）学生，班级人数40人，多数学生已经达到《义务教育英语课程标准（2011年版）》五级水平。学生课堂参与积极性一般。

语言素材：

—When was the car invented?

—It was invented in 1885.

根据题目要求完成下列任务，用中文作答。

在对待学生问答时，教师应如何给予评价和鼓励？列举两种教师的评价用语。

_______ assessment is used to measure how the performance of a particular student or group of students compares with that of another。

Potential subjects should be informed of the research and _______ an opportunity to decide if they want to participate。

According to Krashen, _________ refers to the gradual and subconscious development of ability in the first language by using it naturally in daily communicative situations.

What is the teacher doing by saying this in terms of instruction? Now, did the question help you understand the text better?

“Can I borrow your bike?" ____”You have a bik。

Suppose you were given achance to go abroad,＿＿you accept？

During class, the teacher draws a flow chart on the blackboard to show the structure and its inner connection of a passag。What class do you think is it most possible be?