Read the article and select the best answer. Article: Of all the components of a good night's sleep, dreams seem to be last within our control. In dreams, a window opens into a world where there is zero logic and dead people can speak. A century ago, Freud formulated his revolutionary theory that dreams were the hidden shadows of our unconscious desires and fears; by the late 1970s, neurologists had switched to thinking of them as just "mental noise"--the random byproducts of the neural repair work that goes on during sleep. Now researchers suspect that dreams are regulating moods while the brain is "offline". And one leading authority says that these intensely powerful mental events actually can be bought under conscious control, to help us sleep and feel better. "It's your dream," says Rosalind Cartwright, chair of psychology at Chicago's Medical Center. "If you don't like it, change it." Evidence from brain imaging supports this view. The brain is as active during rapid eye movement sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh. But not all parts of the brain are equally involved: the limbic system or the emotional brain is especially active, while the prefrontal cortex--the center of intellect and reasoning, is relatively quiet. "We wake up from dreams happy or depressed, and those feelings can stay with us all day," says Stanford sleep researcher Dr. William Dement. This link is shown among the patients in Cartwright's clinic. Most people seem to have more bad dreams early in the night, progressing toward happier ones before awakening, suggesting that they are working through negative feelings generated during the day. Because our conscious mind is occupied with daily life we don't always think about the emotional significance of the day's events--until, it appears, we begin to dream. There is probably little reason to pay attention to our dreams at all unless they keep us from sleeping or "We wake up in a panic," Cartwright says. Those suffering from persistent nightmares should... Question: Casual nightmare sufferers are advised to _ . Options: A: ask for medical help B: relax their mind during the day C: don't take the dreams seriously D: realize the emotional significance of daily events
C

(Question)
Read the article and select the best answer. Article: Treasure hunts have excited people's imagination for hundreds of years both in real life and in books such as Robert Louis Stevenson's Treasure Island. Kit Williams, a modern writer, had the idea of combining the real excitement of a treasure hunt with clues found in a book when he wrote a children's story, Masquerade, in 1979. The book was about a hare, and a month before it came out, Williams buried a gold hare in a park in Bedfordshire. The book contained a large number of clues to help readers find the hare, but Williams put in a lot of "red herrings", or false clues, to mislead _ . Ken Roberts, the man who found the hare, had been looking for it for nearly two years. Although he had been searching in the wrong area most of the time, he found it by logic, not by luck. His success came from the fact that he had gained an important clue at the start. He had realized that the words: "One of Six to Eight" under the first picture in the book connected the hare in some way to Katherine of Aragon, the first of Henry VIII's six wives. Even here, however, Williams had succeeded in misleading him. Ken knew that Katherine of Aragon had died at Kimbolton in Cambridgeshire in 1536 and thought that Williams had buried the hare there. He had been digging there for over a year before a new idea occurred to him. He found out that Kit Williams had spent his childhood near Ampthill, in Bedfordshire, and thought that he must have buried the hare in a place he knew well, but he still could not see the connection with Katherine of Aragon, until one day he came across two stone crosses in Ampthill Park and learnt that they had been built in her honor in 1773. Even then his search had not come to an end. It was only after he had spent several nights digging around the cross that he decided to write to Kit Williams to find out if he was wasting his time there. Williams encouraged him to continue, and on February 24th 1982, he found the treasure. It was worth L3000 in the beginning, but the excitement it had caused since its... Question: What is the most important clue in the story to help Ken Roberts find the hare? Options: A: Katherine of Aragon. B: Stevenson's Treasure Island. C: Two stone crosses in Ampthill. D: Williams' hometown.
(Answer)
A

Read the article and select the best answer. Article: Anthropologists are scientists that study people who often lived hundreds or even thousands of years ago. Items those men, women, and children left behind when they died --- everything from clothing to jewelry and tools --- tell anthropologists a lot. And sometimes even their words survive. Experts believe that a discovery in Mexico is the oldest example of writing ever found in the Americas. The people who created it probably lived 3,000 years ago, long before Christopher Columbus arrived in the New World. Workers digging in a rock mine happened to notice a stone block with marks carved onto its surface. They found the large piece of stone near the city of Cascajal, Mexico, which was once the capital of an ancient people called the Ohmec. "There are signs on the block that seem to show objects used by the Olmec during their religious ceremonies," says Dr. Stephen Houston, of Brown University in the USA. "There is a sign that looks very similar to a knife and another that looks like the chair of a King," he explains. Houston, an expert on the writing systems of ancient cultures, says the discovery is exciting because "it makes clear that the Olmec could read and write. It is like hearing voices from the past." But experts don't know exactly what the writing says. Finding other examples of Olmec writing could help decipher the puzzle. "We could have whole sets of ancient writing which will basically make ancient people speak to us directly," says Houston. "There are many puzzles to be solved, and this is just one of them." Question: According to the passage, what items do scientists often use to learn more about the past? Options: A: Clothing and jewelry. B: Books and stones. C: Knives and chairs. D: People and animals.
A