经历了5.12大地震的考验，体现成都平原人与自然和谐的水利灌溉工程是（ ）
A
B
成本（元/条）
50
35
利润（元/条）
20
15
We all want to ______.
In April, the weather in some places in Shanxi was really changeable. People still remember they have _______ four seasons in a week.
