Do you think ___________ a good idea that he sold the vegetables at half price __________ them go bad?

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分钟的英语听说教学方案。 

该方案没有固定格式，但须包含下列要点： 

●teachingobjectives 

●teachingcontents 

●keyanddifficultpoints 

●majorstepsandtimeallocation 

●activitiesandjustifications 

教学时间：20分钟 

学生概况：某城镇普通中学初中一年级（七年级）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）》二级水平3学生课堂参与积极性一般。 

语言素材 

根据题目要求完成下列任务，用中文作答。

下面是两位教师为学生布置的作业。

根据上面的信息，从下面三个方面作答：

(1)布置作业有什么意义？

(2)分析两位教师布置作业的特点，并指出其不足之处。

(3)教师在布置作业时应注意哪些问题（至少从四个方面）？

If a teacher asks students to concentrate on such features as structure, coherence and cohesion of a text, he/she aims at developing students′ _________。

根据题目要求完成下列任务，用中文作答。 

教师在语音教学中应当遵循哪些原则？简述三种训练学生各个音素的发音的方法，并举例说明。

It is reported that the ______ of the country, from hotels to transport, is old and decrepit。

When a teacher leads students to guess the meaning of a new word based on the contextual clue, which one of the following approaches does he use？

Which of the following best represents the order from a harsh command to a very polite request？ a.Could you close the door? b.Close the door. c.Please close the door, d.Would you please close the door.

maybedefinedasanykindofengagingwiththelanguageonthepartofthelearners,

usuallyundertheteacher'ssupervision,whoseprimaryobjectiveistoconsolidatelearning。

There are some speaking activities. Which of the following mainly focuses on the form. and accuracy?

A/An _________ language test, such as IELTS or TOEFL, is developed on the basis of a fixed standard。