一、周末，学校举行了义卖会。听对话，写出下列物品对应的价格。

1. ¥()
2. ¥()
3. ¥()
4. ¥()

（需根据实际听力内容填写数字，如：1. 50 2. 30 3. 45 4. 60）
注：实际答案需以听力材料为准，此处为示例格式。

由于您未提供听力材料，无法直接获取物品对应的价格。以下是基于人教版四年级下册Unit 4 "Going shopping" 单元重点（数字表达、购物用语）的解题思路：
1. 听对话中关于"裤子(pants)"的价格描述，提取数字；2. 听关于"太阳镜(sunglasses)"的价格；3. 听关于"裙子(skirt)"的价格；4. 听关于"夹克衫(jacket)"的价格，将听到的数字填入对应空格。

二、提升题 下面是学校义卖会的通告。阅读这则通告，完成下列任务。
Do you have any old clothes? Do you want to buy cheap clothes? We will have a school bazaar(义卖)in the playground at 2：00 this Sunday(周日)afternoon. You can bring your old clothes，toys or books and sell them. You can buy these things too. They're very cheap! Come and have a look!
任务一：选择正确的答案。
()1.The bazaar will be held(举办)in the .
A. gym
B. classroom
C. playground
()2.The clothes in the school bazaar are .
A. new
B. expensive
C. cheap
()3.When will the school bazaar start(开始)?
A. At 2：00 this Sunday morning.
B. At 2：00 this Sunday afternoon.
C. At 3：00 this Sunday afternoon.
()4.What can you bring to the bazaar?
A. Old clothes，toys or books.
B. Only new clothes.
C. Only toys.
任务二：假如你要参加这场义卖会，请介绍一下你的商品。
Look at my .(It's / They're).(It's / They're).

任务一：1.C 2.C 3.B 4.A 任务二：old toy; It's small; It's cheap (答案不唯一，合理即可)

任务一：1. 通告中提到“We will have a school bazaar in the playground”，所以选C。2. 通告中说“They're very cheap!”，所以选C。3. 通告中明确时间是“at 2：00 this Sunday afternoon”，所以选B。4. 通告中提到“You can bring your old clothes，toys or books”，所以选A。任务二：根据题目要求，介绍商品，可选择一种商品，如旧玩具，描述其特征和价格，符合四年级下册Unit 4内容。