(题干同试题11)
If we spend $20 on energy every month, how much will we save every month after
using the body heat as energy?
- A.$4
- B.$16
- C.$20
- D.$40
答案
正确答案:B
知识点:推理判断题

由文中“As a result, the building’s energy costs are down by 20%.”可知,20美元的20%是4美元,所以每个月的消费减少4美元为16美元。

略
