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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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Over the past two decades gee—engineering began to include other ways of fixing climate-including new spins on the Pinatubo effect. Using sulfur dioxide(二氧化硫) or other materials, they aim to reflect sunlight back into outer space. One would boost a series of mirrors into orbit, shading Earth from sunlight, but at a cost that would likely bankrupt the planet. In the 1990s, the controversial inventor of the hydrogen bomb, Edward Teller, proposed floating reflective particles of metal in the atmosphere, adding a Dr. Strangelove air to the gee-engineering field. Various kinds of materials are used in gee-engineering to
A. bankrupt the earth.
B. reflect sunlight back into space.
C. boost mirrors into orbit.
D. make hydrogen bombs.
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Widely credited as the founder of haute tech (时装科技), British designer Hussein Chalayan—twice named British designer of the year—is the subject of a fun and fascinating new exhibit at the London Design Museum called From Fashion and Back (through May 17), which highlights his 15-year career. Among the items on display: a garment made of crystals and 200 moving lasers to create a living light show, and two LED-screen video dresses that illuminate underwater sea life. Chalayan believes that integrating technology with fashion is the only way in the world to create something new, he says. These are the prototypes for things to come. They need this investment. What does these in bold refer to
A. Haute tech products.
B. Chalayan’s haute tech designs on display.
C. Crystals and lasers on his design.
D. Technology and fashion.
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