Choose the most appropriate words to complete the following sentences.(填写对应序号)1. Water could replace oil as the strategic resource that ____1____ geopolitical conflicts.2. That statement still rings in my ears today, not only because of her ___2_____ but also because she was exactly right.3. Now, the dawn of a new energy era is just around the corner --- with the prices of solar power going down, and ___3____ generation and energy efficiency on the point of taking off.4. We can foresee a time this century when water ____4_____ energy as the next great challenge for humanity.5. “If we could ever ___5____ --- at a cheap rate --- get freshwater from saltwater, it would be in the long-range interest of humanity and would really dwarf any other scientific accomplishments.”6. As Michael Webber argues, we need aggressive ___6____ to buy us time before scientists come up with affordable solutions.7. In 2003, the late Nobel Laureate Richard Smalley gave a lecture at Rice University’s Energy & Nanotechnology Conference ____7_____ humanity’s top 10 problems for the next 50 years.8. The reason energy and water sit at the top, ahead of food and poverty, is that addressing them makes ___8_____ problems easier to deal with.9. She turned off the faucet, made me an angry face at me, and ___9____, “Turn off the water, Daddy. The scientists need time.”10. That’s mainly because our great innovation apparatus has not been ____10___ to water.