六、Read and choose. Lily 对王叔叔种植的蔬菜十分感兴趣。请读一读，选择合适的选项，补全对话。
Lily: Hello! Uncle Wang. 1.
Mr Wang: They're carrots. They're good for our eyes.
Lily: What are these?
Mr Wang: 2.
Lily: But they're yellow.
Mr Wang: 3.
Lily: Can I pick some?
Mr Wang: 4.
Lily: Thank you. You're so nice!
A. Of course.
B. Yes. A lot of tomatoes are big and red, but these are small and yellow.
C. What are those?
D. They're tomatoes.

1.C 2.D 3.B 4.A

七、Think and say. 王叔叔的果蔬商店开业啦！请你参考所给句型，帮助王叔叔介绍一下吧！

参考示例：
1. Look at the carrots. They're 3 yuan. They're fresh.
2. Look at the tomatoes. They're 2 yuan. They're red.
3. Look at the potatoes. They're 1 yuan. They're very cheap.
4. Look at the grapes. They're 5 yuan. They're sweet.
5. Look at the apples. They're 6 yuan. They're big and nice.

本题为口语表达练习题，考查本单元所学的物品指代、价格描述的基础句型运用，需要结合图中展示的5种果蔬及其对应标价，使用题目给出的"Look at... / It's/They're ... yuan. / It's/They're ..."的结构完成商品介绍，所用词汇符合四年级下册的学习范围即可。