四、Sarah 和妈妈正在购买衣服。阅读对话，选择正确的答案。
Mum: It will be hot soon. Let's go to the clothes shop.
Sarah: Great.
(In the shop)
Sarah: I like this pink T-shirt, Mum.
Mum: It's pretty. And the blue one is nice for your brother. And this dress is nice. Can I try it on?
Assistant: Of course. Here you are.
Sarah: You look great, Mum.
Mum: Thank you. How much are these?
Assistant: The pink T-shirt is 55 yuan, and the blue one is 45 yuan. This dress is 229 yuan.
Mum: Oh, the dress is too expensive. Let's take these two T-shirts.
Assistant: OK. Here is your bill.
() 1. How much is the dress?
A. ¥45. B. ¥55. C. ¥229.
() 2. What do they buy?
() 3. How much is the bill in total?
A. ¥100. B. ¥284. C. ¥329.

1. C 2. A 3. A

【分析】
1. 第1题需从对话中提取裙子的价格信息，定位对应描述即可；第2题需找到对话中购买物品的关键句，结合插图匹配正确选项；第3题需根据两件T恤的价格计算总价，对应选项即可。
【解析】
1. 第1题：根据对话中店员的表述“This dress is 229 yuan.”，可知裙子价格为229元，对应选项C。
2. 第2题：根据对话中妈妈的话“Let's take these two T-shirts.”，可知他们买了两件T恤，观察插图，A选项为两件T恤，符合题意，对应选项A。
3. 第3题：已知购买的两件T恤价格分别为55元和45元，总价为55+45=100元，对应选项A。
【答案】
1. C 2. A 3. A
【知识点】
购物话题阅读理解、数字计算、图文匹配
【点评】
本题围绕购物场景展开，考查学生提取对话关键信息、图文匹配及简单计算的能力，属于基础阅读理解题，难度适中。
【难度系数】
0.6