Change Has Come to America November, 04, 2008, Barack Obama Hello, Chicago. If there is anyone out there who still doubts that America is a place where all things are possible, who still wonders if the dream of our founders is alive in our time, who still questions the power of our democracy, tonight is your answer. It's the answer told by lines that stretched around schools and churches in numbers this nation has never seen. A little bit earlier this evening, I received an extraordinarily gracious call from Sen. McCain. Sen. McCain fought long and hard in this campaign. And he's fought even longer and harder for the country that he loves. He has endured sacrifices for America that most of us cannot begin to imagine. We are better off for the service rendered by this brave and selfless leader. I congratulate him; I congratulate Gov. Palin for all that they've achieved. And I look forward to working with them to renew this nation's promise in the months ahead. I want to thank my partner in this journey, a man who campaigned from his heart, and spoke for the men and women he grew up with on the streets of Scranton and rode with on the train home to Delaware, the vice president-elect of the United States, Joe Biden. And I would not be standing here tonight without the unyielding support of my best friend for the last 16 years the rock of our family, the love of my life, the nation's next first lady Michelle Obama. Sasha and Malia I love you both more than you can imagine. And you have earned the new puppy that's coming with us to the new White House. To my sister Maya, my sister Alma, all my other brothers and sisters, thank you so much for all the support that you've given me. I am grateful to them. And to my campaign manager, David Plouffe, the unsung hero of this campaign, who built the best -- the best political campaign, I think, in the history of the United States of America. To my chief strategist David Axelrod who's been a partner with me every step of the way. To the best campaign team ever assembled in... What did the writer imply by saying "I will never forget who this victory truly belongs to?" A) He is a failure rather than a success. B) He still doesn't know who this victory truly belongs to. C) He thinks highly of his supporters. D) He considers his success as people's victory.
D
(Question)
The home computer industry has been growing rapidly in the United States in the last ten years. Computers used to be large, expensive machines that were very difficult to use. But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store information and compute problems that are difficult for human beings to work out. Some have voices that speak to their operators. Stores use computers to keep records of their inventories and to send bills to their customers. Offices use computers to copy letters, record business and keep in touch with other offices. People also use computers in their homes to keep track of the money they spend. One important new use of computers is for entertainment. Many new games have been designed to be played on computers. People of all ages play these games. People also buy home computers to watch movies and listen to concerts at home. They have become very popular indeed. Salesmen use computers mainly to _ . A) talk with their friends B) write letters C) check the list of goods and send bills D) play games for pleasure
(Answer)
C
Ques: Which animal has the fastest snapping jaw ? If you're guessing a shark or perhaps a larger animal, you'll have to think smaller. The trapjaw ant, which lives in Central and South America, moves its mouth parts at 35 to 63 meters per second. Another way to think about this is that the ant's jaws close at 125 to 233 kilometers per hour. That's 2, 300 times faster than the blink of an eye. Scientists were able to measure the amazing jaw speed using highspeed video techniques. Sheila Patek, a biologist, says the key is that the jaws have a springy system, which is critical in getting explosive speeds. Consider a bow and arrow. If you try to throw an arrow with your arm, it won't go very far. If you use a bow, elastic energy stored in the bow is released almost instantly when you release the arrow with your finger or a latch. The combination of the springy bow and latch mechanism is what makes the arrow zoom through the air. Maybe even more amazing than how fast these ants grab food or even enemies is how they use this same energy to move. As the ant closes its jaws, it uses them to push off the ground--all faster than the eye can see without slow motion video. A snap of the jaw can send an ant up to 8.3 centimeters into the air. That's like someone who is 1.7 meters jumping 13 meters high! Not only can they quickly escape from enemies, but often a group of ants will start jumping all at once. It would be hard for their enemies to grab just one. People have suspected the ants used their jaws to jump for over a century, but could only prove it with today's modern video equipment. The passage uses "a bow and arrow" as an example to show _ . A) how an arrow gets so much energy to fly B) why the trapjaw ants have springy system C) why the trapjaw ants jaws move so fast D) how a bow and arrow works
Ans: C
International teams have spent nearly half a year looking for evidence of the missing Malaysian Airlines plane, a search that includes the hunt for the aircraft's so-called black box, which holds flight data that would likely explain what caused MH370 to move away from its course. But many aviation experts wonder why, in our increasingly networked world, divers are searching the Indian Ocean for a metal box when technology already exists that would enable planes to stream black box data to the ground in the event of an emergency. Black boxes have been on planes since the late 1950s, and now every commercial aircraft has two: a flight data recorder and a voice recorder. (Although they are referred to as black boxes, they are typically orange in color, making them easier to spot in waters.) Black box recorders are mainly used to investigate the cause of in-flight accidents. While black boxes are built to survive a crash and long-term submersion in water, it can be a real challenge to find the device if a plane has gone down in the ocean. While each box contains a beacon , the unit only has enough battery power to transmit a signal for 30 days. After the crash of Air France Flight 447 in the Atlantic Ocean in June 2009, it took divers two years to find the black box. Pierre Jeanniot, a Canadian engineer who helped perfect black box technology about 40 years ago, feels that the device, in its current form, is " _ ". He started to question its effectiveness more than a decade ago, after seeing the broken pieces of the black boxes in the 2001 attacks on the World Trade towers in New York. Jeanniot is now on the advisory board of a Toronto-based firm that has built a live-streamed black box system. When a plane experiences an irregular event, the system can send streaming data off the aircraft to one of the satellites and then down to ground-based servers, where the message is interpreted and sent to the airline. It seems necessary that the loss of MH370 and other similar cases wake more people up to the fact that... From the passage, we can learn that _ . A) it takes divers one or two years to find the black box after a crash B) the new system does not live stream black box data for the whole flight C) Jeanniot changed his view on black box technology when working for a Canadian firm D) operating a live-streamed black box system costs only three thousand dollars
B