Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say the material can cool buildings even on hot days. The cooling material is a very thin sheet with many layers that could be placed on a roof like solar panels . However, instead of turning sunlight into energy as solar panels do, the material turns heat into radiation. Shanhui Fan is an electrical engineering professor at Stanford University. He says that the panels have a layer of material that is like sand. The panels act like a mirror. They take heat out of buildings and reflect the light from the sun. And he says both the heat and sunlight are sent 100 kilometers into outer space. "It's a structure that cools itself without electricity input, even under the sun. So, what it does is basically radiate heat to outer space and also reflect the sunlight so it doesn't get heated up by the sun. Mr. Fan says it is like having a window into space. The heat is sent directly into space without warming the air." He says buildings in developing countries that do not have electricity or air conditioning could use the panels. "In areas where electricity is out of reach for many people, there is a potential benefit for storing medicine or even food. In many of these situations, being able to reduce the temperature is important. And this would provide a way to do it." The researchers say the main problem is creating actual cooling systems using the high-tech panels. They say it may be possible to develop a cooling spray that could be used on present solid structures. They believe the cooling spray technology could be developed in the next three to five years. They say as much as 15 percent of the energy used in the United States is spent providing power to air conditioning systems. How does the panel work? A) It takes in the heat and cools it down. B) It uses a mirror to reflect the sunlight. C) It sends heat away right into space. D) It has a window to let out the heat.
C
Amy and Mark Blaubach were very excited about adopting a child from an orphanage . They thought they would adopt a baby girl. After waiting one and a half years, the social worker asked them to consider adopting a six-year-old boy named Jerry. After the adoption papers were signed, Amy asked if Jerry had a good friend at the orphanage. Jerry said his best friend was Zack. That was the first time that Amy heard about Zack. Then Jerry went to his new home with Amy and Mark, where he lived happily and adjusted very well. However, Jerry kept talking about his best friend that he had left behind at the orphanage. So Amy became determined to try and find out more about Zack. She came across a database specifically for families who had adopted children from the orphanage where she met Jerry. The database allowed parents to enter their child's name and his or her adoption information. As Amy looked through the database, she found what appeared to be a possible match of her son's best friend. After sending a new e-mails back and forth, Amy was sure to have the right Zack. He had adopted by Rae and Bruce Hostetler two weeks before. To her surprise, the two families were living in the same city. Then she decided to give these two friends a special reunion On a sunny Sunday, the two boys finally met each other again. When Jerry asked Zack, "Do you remember me?" Zack quickly answered, "Yes! Let's go and play!" That led to hours of laughter and play. Rae and Amy were excited to see how well their sons got along, and what an amazing bond they had. Thanks to both families, that special bond between Zack and Jerry can continue for the rest of their lives. What is the best title for this text? A) How to Adopt a Child B) Amy and Her Adopted Child C) A Story in an Orphanage D) A Very Special Reunion
D
Q: This tour takes you back in history to a moment that "will live in infamy . " Explore the historic artifacts at the Arizona Memorial Visitor Center commemorating the attack on Pearl Harbor, then travel around beautiful Oahu on a Circle Island guided bus tour. The Arizona Memorial Visitor Center is Hawaii's number one visitor attraction. View the film of the attack on Pearl Harbor and browse the historic artifacts on display. Then ride the Navy launch across Pearl Harbor to visit the Arizona Memorial. Then, board a tour bus for a scenic trip around the island of Oahu. Get your cameras ready for the beautiful view over Windward Oahu at Nu'uanu Pali Lookout. Visit Byodo-In Temple, which is set against a picturesque mountain backdrop. You'll also see the famous North Shore surfing beaches of Sunset, Banzai Pipeline, and Waimea Bay and drive through rustic Haleiwa Town. Visit Dole Plantation and discover the history of Hawaii's pineapple industry before enjoying a no host lunch at the Polynesian Cultural Center (lunch is not included in the listed-price). Inclusions: Scenic bus tour of Oahu island Film viewing at Arizona Memorial Visitor Center. Pearl Harbor Visit of Byodo-In Temple and Dole Plantation Available: Mon. --Fri. Hours of operation: 7 AM to 5 PM Note: Strict security measures forbid purses, handbags, fanny packs, backpacks, camera bags, diaper bags, luggage and/or other items. Visitors may bring a camera and cam-recorder. A storage facility, operated by a private vendor, is available for visitors coming to the USS Arizona Memorial, USS Bowfin Submarine Museum & Park, the Battleship Missouri and the Pacific Aviation Museum. A tourist will see everything below at Pearl Harbor except _ . A) the Arizona Memorial B) some historic artifacts C) a film D) Windward Oahu
A: D
(Question)
When Sara and Nathan Jones were training to become foster parents , their son, Noah, learned a tough thing or two about foster care. For instance, nearly 600 local foster kids changed families every year, and they carried their belongings from one home to the next in black garbage bags. Noah, then ten, couldn't imagine squeezing his clothes, favorite toy, and soccer ball into a trash bag and dragging it to a new house in the middle of the night. "Packing kids' belongings into garbage bags is like telling them that their stuff has no more worth than trash," says Noah. So with help from his parents and younger sisters, Macy, then nine, and Molly, then seven, Noah began to collect suitcases and duffel bags from friends and extended family; he received more than 100 bags in less than two weeks. He then sent letters to churches and put ads in local newspapers and on radio stations asking for donations. Within a few months, the family was collecting about 500 bags a week, which they stored briefly in their spare bathroom and downstairs hallway before giving them to foster care caseworkers at the Department for Community Based Services. In addition to suitcases, Noah now provides foster kids with backpacks containing shampoo, soap, a journal, and a toy--all donated. "My hope is that by giving the children things that are just theirs, they will feel a little control in the midst of the chaos," says Noah. Noah's group, A Case for Dignity, collects and distributes hundreds of bags a year. He recently convinced foster care managers from 15 Kentucky counties to pledge to use his bags instead of trash bags. "I've been so inspired by him," says his mom. "If a ten-year-old can see a problem and create a solution, how much more can we do as adults?" What is Noah like based on the text? A) Poor and active. B) Outgoing and peaceful. C) Straightforward and crazy. D) Considerate and helpful.
(Answer)
D