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Read the article and select the best answer. Article: Ransom Myers of Dalhousie University in Nova Scotia warned, using solid science and careful analysis, of the dangers of overfishing. _ and he wasn't afraid to report bad news. As the Guelph Mercury reported, the 54-year-old biologist, originally from Mississippi, was known for his research and warnings about the extinction of marine life around the world. He developed a passion for marine protection during his days in St. John's, Newfoundland, Canada, where he worked for the Department of Fisheries and Oceans at a time when the industry was watching the collapse of the cod fishery. He became, says the Guelph Mercury, a lone, unpopular voice in the discussion about the cause of the collapse, insisting overfishing was the main factor. The world was spending its energy fighting over the few fish left instead of cutting catch limits before it was too late. He warned governments, the fishing industry and consumers, that unless commercial fishing was reduced, many large marine species would become extinct, leading to economic disruptions, food shortages, and lasting damage to marine ecosystems. He said his conclusions were shocking because people had lost sight of the true effect of the declines and they did not look back far enough in history. In other words, he said, "We've forgotten how big fish used to be and how many of them once lived in the sea." Question: Ransom Myers was known for his scientific work in _ . Options: A: physics B: chemistry C: biology D: economics
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C

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Read the article and select the best answer. Article: First aid is emergency care for a victim of sudden illness or injury until more skillful medical treatment is available. It may save a life or improve certain vital signs including pulse, temperature, a clear airway, and breathing. In minor emergencies, first aid may prevent a victim's condition from turning worse and provide relief from pain. First aid must be done as quickly as possible. In the case of the seriously injured, a few minutes can make the difference between complete recovery and loss of life. First-aid measures depend upon a victim's needs and the provider's level of knowledge and skill. Knowing what not to do in an emergency is as important as knowing what to do. Improperly moving a person with a neck injury, for example, can lead to permanent spinal injury and paralysis . Despite the variety of injuries possible, several principles of first aid apply to all emergencies. The first step is to call for professional medical help. The victim, if conscious, should be reassured that medical aid has been requested, and asked for permission to provide any first aid. Next, assess the scene, asking other people or the injured person's family or friends about details of the injury or illness, any care that may have already been given, and pre-existing conditions such as diabetes or heart trouble. The victim should be checked for a medical card that describes special medical conditions. Unless the accident scene becomes unsafe or the victim may suffer further injury, do not move the victim. First aid requires rapid assessment of victims to determine whether life-threatening conditions exist. One method for evaluating a victim's condition is known by the acronym ABC, which stands for: A---Airway: is it open and clear? B---Breathing: is the person breathing? Look, listen, and feel for breathing. C---Circulation: is there a pulse? Is the person bleeding extremely? Check skin color and temperature for additional indications of circulation problems. Question: Before we administer first aid to a victim, it is very important for us _ . Options: A: to make sure what to do and what not to do B: to refer to all kinds of handbooks on first aid C: to remove the ring or bracelet he/she may be wearing D: to take him/her to a hospital at once
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A

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Read the article and select the best answer. Article: Researchers believe the mobile phone system makes young people less thoughtful and more likely to make mistakes elsewhere in life. Hitting a few keys and then seeing the desired word appear in full trains children to be fast but inaccurate when doing other things, according to Australian scientists. They warn that this could have _ throughout the country, especially as more than 9 out of 10 16-year-olds now own a mobile phone as well as 40 percent of primary schoolchildren. In a new study, Professor Michael Abramson, a researcher at Monash University, Melbourne, Australia, analyzed the mobile phone use of children aged between 11 and 14 and their ability to carry out a number of computer tests. A quarter of the children made more than 15 voice calls a week and a quarter of them wrote more than 20 text messages a week. When researchers studied the way in which the children handled IQ-type tests they found that increased mobile phone use appears to change the way their brains work. Prof Abramson said, "The kids who used their phones a lot were faster on some of the tests, but were less accurate. "We suspect that using mobile phones a lot, particularly tools like predictive texts for SMS (Short Message Service), is training them to be fast but inaccurate. "Their brains are still developing, so if there are effects then potentially it could have effects in the future. "The use of mobile phones is changing the way children learn and pushing them to become more impulsive in the way they behave." Experts concerned about the possible impact of mobile phone radiation on developing brains have given a warning over children's use of them. But Prof Abramson says the amount of radiation given off when texting is a mere 0.03 percent of that given off during voice calls - suggesting radiation is not to blame for the brain effects. Instead, he thinks predictive texting could be doing the damage. The study was published in the journal Bioelectromagnetics and disagreed with previous studies which suggested that text... Question: Which of the following is the best title for the passage? Options: A: Mobile phone use is training children to be fast B: Children use mobile phones much more than before C: The negative impacts of mobile phone radiation D: Text messaging is making children more impulsive
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D