2. The government has to open the dams to provide more water for the people.

people build dams and levees to control the flooding. These projects, as well as reservoirs and wells, were called ( ).

The chief causes of water shortage are ______. A: irrigation systems. B: massive dams. C: growth of planting. D: population growth and water pollution

Electricity generated from hydroelectric dams and wind power is more _______ than fossil fuel generated power.

In ancient times empires and civilizations grew up near ______. A: nature B: dams C: rivers D: buildings

What are the various types of structures on the earth in Civil Engineering A: Bridges B: Buildings C: Offshore structures D: Dams

It can be inferred from the passage that ______. A: if dams were built in river basins, the downstream ecology remained the same B: governments have to be responsible for the changes caused by the constructions of dams C: the results of controlling water flows by engineers can be well forecasted D: a dam can bring economical advantages for almost a century

We should learn from this lesson and consider the long-term influence of dams ______ the short-term benefits. A: rather than B: owing to C: because of D: or else

What is not the primary idea followed by Li Bing and his people in the construction? A: To comply with nature. B: To make best use of circumstances around. C: Not to block the Minjiang water with dams. D: To control water with all kinds of force.

What is planned for the continent A: Building dams along the coasts. B: Setting up several summer resorts along the coasts. C: Mapping the coast and the whole territory. D: Setting up permanent bases on the coasts.