I'm taking a test and have to guess the right answer to the question after the article. Article: There is an endless supply of stories about sleepwalkers . People have been said to climb on roofs, solve mathematical problems, write music, walk through windows, and do murder in their sleep. In Revere, Massachusetts, a hundred policemen searched for a lost boy who left his home in his sleep and woke up five hours later on a strange sofa in a strange living room, with no idea how he had got there. At the University of Lowa, a student was reported to have the habit of getting up in the middle of the night and walking three-quarters of a mile to the Lowa River. He would take a swim and then go back to his room to bed. An American expert on sleep claims that he has never seen a sleepwalker. He is said to know more about sleep than any other living man, and during the last thirty-five years he has lost a lot of sleep watching people sleep. He says, "Of course, I know that there are sleepwalkers because I have read about them in the newspapers. But none of my sleepers ever walked, and if I were to advertise for sleepwalkers for an experiment, I doubt whether I would get many takers ." Sleepwalking, however, is a scientific reality. It is one of those strange things that sometimes look quite fantastic . Doctors say that sleepwalking is much more common than is generally supposed. Many sleepwalkers do not try to find help and their sleepwalking is never recorded. Question: Why do people think sleepwalking is nothing but a fantastic thing which doesn't have any explanation? Options: A: It is so common that it needn't be recorded. B: Scientists take no interest in it. C: No records about it have been made. D: Most sleepwalkers do not seek help for their problem.
D

I'm taking a test and have to guess the right answer to the question after the article. Article: After we finished thirteen miles of hiking, we were tired and our muscles ached as we made our way back to New England. The car ride to the airport followed by a two-hour flight left our legs more worse condition than they were when we first came off the mountain we just climbed. When we heard that two seats in first class on our next flight were available for a bit higher price, we jumped at the opportunity. Our spirits lifted immediately. After all, flying first class was a new experience for us, and we would end our adventure in comfort and style. As we boarded the plane, we noticed that the stewardess was working non-stop to ensure the comfort of the first class passengers. She could not walk by a seat without receiving an order. How much she must love her job! She smiled kindly at each one while attending to their needs. As the stewardess walked by our seats near the end of the flight, I looked at her and said, "Thank you and I hope you have a great night." She stopped, bent down, looked at me and said, "Excuse me." I repeated my words and she smiled in a rather funny way, almost as if I had asked her a question that she did not know how to answer. After a few moments she returned to our seats. "I can tell you work with the public," she said. "Why do you think so?" I asked. She answered very quietly, "Because you are the only passenger here to say something nice to me tonight and I really appreciate your kindness." The sense of belonging to the elite group of people in first class disappeared as we heard her words. Our first class seats offered us more than a comfortable ride. We were reminded that without kindness, we would be flying in no class. Question: After boarding the plane, the writer felt _ . Options: A: proud B: uncomfortable C: nervous D: disappointed
A

I'm taking a test and have to guess the right answer to the question after the article. Article: When Lady Gaga releases a new, pleasing and easily remembered single, it quickly goes around the world. Now scientists have discovered the same thing happens with the songs of another creature----the humpback whale. The mammals become absorbed by new tunes just like people do, and the most popular original whale songs spread globally like hit singles. Male humpback whales are famed for the loud, long and complicated songs they make during the mating season. Each song lasts for 10 to 20 minutes and the males can sing nonstop for 24 hours. At any one time, all the males in a population sing the same song. But a study shows that this song changes over time and spreads around the oceans. Dr. Ellen Garland of Queensland University, said: "Songs move like cultural communication from one population to another, causing all males to change their song to a new version." Researchers recorded songs from six neighboring populations of whales in the Pacific over a decade. They found that new versions of the songs appear over time and always spread from west to east. It takes two years for songs that appear in the waters off Australia to be heard in French Polynesia. Most of the new songs contain material from the previous year mixed with something new. " It would be like getting an old Beatles song together with U2," she said. " Occasionally they completely throw the current song out of the window and start singing a completely new song". Dr. Garland believes that a small number of whales may migrate to other populations carrying the new songs with them, or that they are heard by passing whales. The researchers suspect whales adopt new songs to make themselves distinct. Dr. Garland said: " we think this male search for new songs is in the hope of being that little bit different and perhaps more attractive to the opposite sex." Question: According to the text, we can learn that _ Options: A: humpback whales don't like living in groups. B: new songs contain nothing that is in the old songs. C: humpback whales in the west change their tunes first. D: female humpback whales can sing loud and long songs.
C