单项选择题

Remember back in 2001 when BP went" Beyond Petroleum" It was a brilliant marketing campaign, but it had less to do with changing the company’s business model than positioning Lord John Browne as the Teflon oil executive. All but a tiny fraction of BP’s revenue came, and still comes from oil. So how should we take the spate of new green announcements from the world’s major oil firms In July, ExxonMobil announced big plans to grow green algae to fuel cars; last week, Chevron unveiled the world’s largest carbon-sequestration project in Australia; and in recent months, Valero, Marathon, and Sunoco carried out a series of acquisitions that resulted in Big Oil controlling 7 percent of the U. S. ethanol business.
Who was John Browne

A. The Teflon oil executive.
B. The executive of Chevron.
C. The executive of ExxonMobil.
D. The executive of Big Oil.

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It’s not hard to understand why a big utility might not like the idea of homes, businesses, schools, and even government buildings being covered in solar panels. If every building in America is generating its own solar energy, that throws a big wrench(猛拉) into their business model. It’s why utilities have historically been opposed to solar power, say solar’s advocates. But as most states have passed renewable-energy standards recently, mandating(命令, 指示) that a certain percentage of their energy come from renewable sources, utilities have become reluctant players in the solar game because, frankly, they have no choice. Rather than get on board with rooftop solar, though, utilities decided to do what they do best: build a centralized system of large power plants, and make money by charging customers for taking power off the grid. While large-scale utility projects do hold the promise of generating massive amounts of electricity, so far they’ve delivered precious, few new sources of electricity, as dozens of proposed projects are languishing in the application process. Renewable-energy standards in many states require that

A. utilities build a centralized system of large power plants.
B. utilities participate in rooftop-solar electricity industry.
C. utilities make money by charging customers for taking power off the grid.
D. a certain percentage of the utilities’ energy come from renewable sources.

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We’re in the great ship Titanic, the Earth is, and it’s going to take a half century to really turn the ship. But that doesn’t mean we can’t start doing it today, and we must. It’s possible that the United States can greatly reduce its use of energy in our buildings, which consume 40 percent of our energy and our personal vehicles. Well, not only insulating buildings—we haven’t taken full advantage of the technologies that exist today. They haven’t been integrated into making smarter buildings that can he 60-80 percent more energy-efficient than existing buildings. We can take advantage of existing technologies to

A. reduce the use of energy in buildings.
B. power personal vehicles.
C. make more energy-efficient cars.
D. reduce the emission of carbon dioxid

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