Based on the given picture and caption, the predicted headline could be "The Root of Water Contamination." The correct answer is option 3.
In the picture, we see a streambed filled with metal barrels, water, and garbage. Additionally, there is an oil tank truck parked nearby. These visual elements suggest a potential source of water pollution or contamination.
The caption mentions that the old lake has a new look. This implies that there have been changes to the lake, possibly due to the presence of the metal barrels, garbage, and oil tank truck. The combination of these factors indicates that water contamination may be occurring.
The headline "The Root of Water Contamination" accurately reflects the picture and caption, highlighting the potential cause of the changes observed in the lake. The correct answer is option 3.