根据下面的语言素材人教7上 Unit 4 Where is my schoolbag?-Section B，用英语完成以下的设计任务。
1.确定这节课教学目标。
2.确定这节课的教学重难点。
3.根据确定的教学目标，设计教学过程，并说明设计意图，设计意图可以用中文表达。
【参考设计】
Teaching Aims
Knowledge aims:
1. Students can match the things with exact words, such as “radio”, “model plane”, “clock” and so on.
2. Students can identify the prepositions and understand their meanings.
Ability aims:
1. Students can learn how to use the target words and sentences in the listening material.
2. Students can talk about where things are and apply what they have learned to their daily life.
Emotional aim:
Students can foster the interest and desire of learning English and take part in speaking activities actively.
Teaching Key & Difficult points:
Key point: Students can match the things with exact words and identify the prepositions.
Difficult point: Students can talk about where things are.
Teaching Procedures:
Step1 Warming up and Lead-in
