Read the following article and select the best answer. Article: When you think about math, you probably don't think about breaking the law, solving mysteries or finding criminals. But a mathematician in Maryland does, and he has come up with mathematical tools to help police find criminals. People who solve crimes look for patterns that might reveal the identity of the criminal. It's long been believed, for example, that criminals will break the law closer to where they live, simply because it's easier to get around in their own neighborhood. If police see a pattern of robberies in a certain area, they may look for a suspect who lives near the crime scenes. So, the farther away from the area a crime takes place, the less likely it is that the same criminal did it. But Mike O'Leary, a mathematician at Towson University in Maryland, says that this kind of approach may be too simple. He says that police may get better clues to the location of a criminal's home base by combining these patterns with a city's layout and historical crime records. The records of past crimes contain geographical information and can reveal easy targets -- that is, the kind of stores that might be less difficult to rob. Because these stores are along roads, the locations of past crimes contain information about where major streets and intersections are. O'Leary is writing a new computer program that will quickly provide this kind of information for a given city. His program also includes information about the people who live in the city, and information about how a criminal's patterns change with age. It's been shown, for example, that the younger the criminal, the closer to home the crime. Other computer programmers have worked on similar software, but O'Leary's uses more math. The mathematician plans to make his computer program available, free of charge, to police departments around the country. The program is just one way to use math to fight crime. O'Leary says that criminology -- the study of crime and criminals -- contains a lot of good math problems. "I feel like I'm in a gold mine and ,"... Question: By "I'm the only one who knows what gold looks like", O'Leary means that he _ . - is better at finding gold than others - is the only one who uses math to make money - knows more criminals than other mathematicians - knows best how to use math to help solve crimes
knows best how to use math to help solve crimes

(Question)
Read the following article and select the best answer. Article: You are the collector in the gallery of your life. You collect. You might not mean to but you do. One out of three people collects tangible things such as cats, photos and noisy toys. There are among some 40 collections that are being shown at "The Museum Of"--the first of several new museums which, over the next two years, will exhibit the objects accumulated by unknown collectors. In doing so, they will promote a popular culture of museums, not what museums normally represent. Some of the collections are fairly common--records, model houses. Others are strangely beautiful--branches that have fallen from tree, for example. But they all reveal a lot of things: ask someone what they collect and their answers will tell you who they are. Other on the way include "The museum of Collectors" and "The Museum of Me."These new ones, it is hoped, will build on the success of "The Museum Of." The thinkers behind the project want to explore why people collect, and what it means to do so. They hope that visitors who may not have considered themselves collectors will begin to see they, too, collect. Some collectors say they started or stopped making collections at important point: the beginning or end of adolescence--"it's a growing-up thing; you stop when you grow up,"says one. Other painful times are mentioned, such as the end of a relationship. For time and life can seem so uncontrollable that a steady serial arrangement is comforting. Question: Which of the following is an aim of the new museums? - To help people sell their collections. - To encourage more people to collect. - To study the significance of collecting. - To find out why people visit museums.
(Answer)
To study the significance of collecting.

Read the following article and select the best answer. Article: In ancient Japan, if you saved someone's life, they would make it their duty to spend the rest of their life serving you. Nowadays, if you rescue someone's story, he or she will feel the same kind of gratitude . It happens all the time. Someone in a group is telling a story and, just before their big point, BOOM! There's an interruption. Someone new joins the group, a waiter with a plate of biscuits comes over, or a baby starts crying. Suddenly everyone's attention turns to the new arrival, the food on the plate, or the "charming" little child. Nobody is aware of the interruption -- except the speaker. They forget all about the fact that the speaker hasn't made his or her point. Or you're all sitting around the living room and someone is telling a joke. Suddenly, just before his big punch line , little Johnny drops a dish or the phone rings. After the crash, everyone talks about little Johnny's carelessness. After the call, the subject turns to the upcoming marriage or medical operation of the caller. Nobody remembers the great punch line got unfinished -- except the joke teller. When it's you entertaining everyone at a restaurant, have you ever noticed how you can almost set your clock by the waiter coming to take everyone's order just before your funny punch line? Most joke and story tellers are too shy to say, after the interruption, "Now, as I was saying..." Instead, they'll spend the rest of the evening feeling bad they didn't get to finish. Here's where you come in. Rescue them with the technique I call "Lend a Helping Tongue." Watch the gratitude in the storyteller's eyes as he stabilizes where his story sunk and he sails off again toward the center of attention. His expression and the appreciation of your consideration by the rest of the group are often reward enough. You are even more fortunate if you can rescue the story of someone who can hire you, promote you, buy from you, or otherwise lift your life. Big winners have excellent memories. When you do them subtle favors like Lend a Helping Tongue,... Question: What is the text mainly about? - People should learn how to take turns in a conversation. - Telling jokes will make you the center of attention. - We can win someone's heart by getting him back to his story. - It is impolite to cut in on someone's talk.
We can win someone's heart by getting him back to his story.