四、妈妈和刘浩正在收拾空塑料瓶和空易拉罐。请你从方框中选择合适的句子补全他们的对话。
Liu Hao: Mum, can I throw away these bottles and cans?
Mum: 1.
D
Liu Hao: Why, Mum?
Mum: 2.
E
Look, we can clean this small can and put your rubbers and crayons in it.
Liu Hao: 3.
C
Mum: We can put some flowers in this bottle.
Liu Hao: 4.
A
Mum: That's true. Look at this big can. Do you have any ideas, Haohao?
Liu Hao: Yes. 5.
B
Mum: That's cool!
A. Then it'll be a vase.
B. I can put my pens, pencils and rulers in it.
C. That's a good idea!
D. No, we should keep them.
E. Because we can use them again.
答案：1. D 2. E 3. C 4. A 5. B
解析：
【分析】先通读对话与选项，明确对话围绕“空塑料瓶和易拉罐的再利用”展开，结合上下文的问答逻辑匹配句子：1处刘浩问能否扔掉，妈妈需给出否定回答；2处刘浩问原因，妈妈要说明再利用的理由；3处妈妈介绍小罐用途，刘浩应表示赞同；4处妈妈说瓶子可放花，对应花瓶的表述；5处刘浩说大罐的用途，匹配放文具的选项。
【解析】1. 刘浩询问能否扔掉瓶子和罐子，妈妈应表示不能扔、要保留，选D；2. 刘浩问原因，妈妈解释可再次利用，选E；3. 妈妈说明小罐能放文具，刘浩表示赞同，选C；4. 妈妈说瓶子可放花，对应“成为花瓶”，选A；5. 刘浩说大罐的用途，对应放文具，选B。
【答案】1.D 2.E 3.C 4.A 5.B
【知识点】补全对话、日常交际用语
【点评】本题考查日常交际中物品再利用的对话补全，需结合上下文语境逻辑选句，贴近生活实际，难度适中。
【难度系数】0.3
