【文章內(nèi)容簡介】 and created substitutes from Korean words. To many SouthKoreans,the substitutes sound funny. . Language experts say about onethird of the everyday words used in the two countries aredifferent. The divide is wider with technical language, like that used for medical and sportsindustries. For example, South Korean hockey players use the English word pass, but theirNorth Korean teammates say yeol lak or munication. North Koreans say nahl gay soomeaning wing player. South Koreans call that position wing, like in English. South Koreans say block shot while North Koreans say buhduh make: or stretching to block. Murray admits that there are still some problems in munication even with the newdictionary. She said her South Korean assistant coach plays an important part in bridging thedivide. Some in South Korea have criticized the partnership. They argue that the addition ofplayers from North Korea players may prevent South Korean players from playing as much. One early public opinion study found that about 70 percent of South Koreans opposed the joint team. However, that opposition appears to be lessening as the Olympics near.28. What factor mainly causes the munication barriers for North and South Joint HockeyTeam? A. The team was suddenly formed in a hurry. B. They are devoted to preparing the Winter Olympics. C. There exists a gap between the two language. D. They have been separated from each other for 70 years.29. Which of the following is TRUE according to the passage? A. South Korean players are so critical of the joint Olympic team. B. There are altogether 35 players in the joint Olympic team. C. Murry from Canada doubts the threepage document in their munication. D. North Korean assistant coach plays an important role in their munication.30. How do the joint team solve the munication problems? A. South Korean brings in English words but North Korean created substitutes from Korea B. They translate important hockey terms from English into South Korean. C. They translate important hockey terms from South Korean into North Korean. D. They use English to bridge the language gaps with the help of their own dictionary. 31. What is the author39。s attitude towards the joint hockey team? A. Supportive C. Objective D. Subjective D In cooperation with German experts, Several scientists from the University of Bradford believe that they finally solved a mystery that has been confusing millions of people: why ourhair turns gray with age. The researchers came up with their results by examining native hair and cells from human hair follicles(毛囊 ). They say the secret turns out to be hidden in catalase （過氧化氫酶 ), which is causing hair to turn gray. , Catalase production goes down with age and stress, allowing hydrogen peroxide (過氧化氫) in the hair to do its favorite jobmaking hair gray, and then white, by blocking the normalproduction of melanin (黑素) . Melanin is our hair s natural pigment that is responsible for thecolor of also determines the color of our eyes and skin. Dr. Gerald Weizmann, an editor of a journal, says, All of our hair cells make a tiny bit ofhydrogen peroxide, but as we get older, this little bit bees quite a lot, and our hair turns grayand then white. The new study brings hope for millions of people who have to color their hair: to finallyobtain some shampoo that will decrease levels of hydrogen peroxide and therefore restore grayor white hair to its natural color or even prevent it from turning gray. The researchers are already conducting an experiment with such a drug on a few volunteerswith gray hair and expect to get the results in the next two to three months. If everything worksout, millions of people will choose between this drug and other previously used expensive dyes.However, even if the drug works, it will take at least several years before it can be brought to themarket.32. What is the passage mainly about? A. The effect that gray hair has on people. B. The chemical elements of people39。s hair C. The reason why people39。s hair turns gray. D. New drugs to prevent people39。s hair from turning gray.33. According to the passage, people39。s hair turns gray because of . A. a decrease in