Read the answers to the questions.

1, the forest has the function of water conservation.

2. Give examples, compare and list data.

3. "Flood control", "flood control", "flood control and danger elimination", "flood suppression and danger elimination"

4. No, because the forest vegetation in the upper reaches of Reservoir 4 is the main reason for the failure of Reservoir 4. If deleted, it will not reflect the accuracy of the description language.

5, such as: forest fire prevention, everyone is responsible. A moment's negligence can destroy a century-old forest.