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炉火的微光渐渐地暗了下去，外面变黑了。我站起来要走，她拉住我，一面极其敏捷地拿过穿着麻线的大针，把那小橘碗四周相对地穿起来，像一个小筐似的，用一根小竹棍挑着，又从窗台上拿了一段短短蜡头，放在里面点起来，递给我说：“天黑了，路滑，这盏小橘灯照你上山吧!”我赞赏地接过来，谢了她。她送我到门外，我不知道说什么好，她又像安慰我似的说：“不久，我爸爸一定会回来的。那时候我妈妈就会好了。”她用小手在面前画一个圆圈，最后按到我的手上：“我们大家也都好了!”显然地，这“大家”也包括我在内。我提着这灵巧的小橘灯，慢慢地在黑暗潮湿的山路上走着。这朦胧的橘红的光，实在照不了多远，但这小姑娘的镇定、勇敢、乐观的精神鼓舞了我，我似乎觉得眼前有无限光明! 这段交代的记叙要素有（）
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Questions 17 to 20 are based on the following conversation about population. You now have 20 seconds to read Questions 17 to 20. How many people live in areas of poverty, slums in cities
Part A You will hear an interview about Mary Kay. As you listen, answer Questions I to 10 by circling TRUE or FALSE. You will hear the conversation ONLY ONCE. You now have 1 minute to read Questions i to 10.Questions 1 to 10: Ben Rogers, Mary Kay’s first husband, died in World War Ⅱ.
Part A You will hear an interview about Mary Kay. As you listen, answer Questions I to 10 by circling TRUE or FALSE. You will hear the conversation ONLY ONCE. You now have 1 minute to read Questions i to 10.Questions 1 to 10: To support her family, Mary Kay worked as a saleswoman.
Text 2 A lot happens to your teeth. They are ground, braced, brushed, flossed, polished, drilled, filled, and if you do not take care of them, pulled. For your teeth, proper oral care is as essential as anything else you do for your body and your generally health. Fortunately, if there is any damage to your teeth modem dentistry techniques make it easier, faster and less painful to get the problem fixed. By definition, dentistry includes the study, diagnosis, treatment and the prevention of disease of the mouth, teeth, gum and jawbones. Today’s dentists use sophisticated equipment and pain- preventing medicines, but these have not always been around. The earliest historical records of dentistry are from Egypt from around 3600 BC. Aesculapius, a Greek physician who lived around 1250 BC, is credited with the idea of pulling disease teeth. Hippocrates, around 400 BC, wrote of applying ointments and using branding irons to treat disease of the mouth. Through the Middle Ages wealthy people were treated by physicians and surgeons, while poor people could look to the local barber to pull painful teeth. Modem dentistry emerged with the release of Pierre Fauchard’s book The Surgeon Dentist, A Treatise on Teeth. Fauchard is considered the father of modem dentistry. Later, the first school devoted to teaching dentistry opened in Baltimore in the USA in 1840. Green Vardiman Black invented a foot engine so dentists would have two free hands while using the dental drill. He also came up with the idea that gum disease was an infection caused by bacteria. This was later confirmed in 1960. An important contribution was made in 1944 when Dr. Horace Wells, a Connecticut dentist, first used nitrous oxide (laughing gas) as an oral anesthetic; today this method of administering anesthetic is employed for many dental and medical surgeries. The introduction of fluoride in toothpaste in the 1960s was a huge breakthrough; teenagers and adults today have a 50% better chance of not developing tooth decay. The 1990s saw a change in thinking when it came to fillings for cavities in teeth. Since the early 1800s silver amalgam--a combination of silver, tin and mercury--has been the standard filling compound. But modern fears about mercury poisoning have led many people to have their amalgam fillings replaced with plastic polymer fillings. Besides not having any mercury, plastic polymers have an advantage over metal fillings because the color can be matched to the surroundings tooth and the material can be chemically bonded to the tooth. Dentistry methods are sure to advance even more in the future. Things such as laser technology, which is used to eliminate diseased tissue or weld together damaged parts of teeth, will soon become a common practice in dentists’ offices. And computer-assisted technology is ushering in new advances in the area of tooth restoration. The primary goal of dentists is to develop early detection methods to prevent dental conditions from turning into dental problems. Caring for your teeth properly will lessen the number of visits you make to the dentist. Brushing properly, flossing every day, getting a professionally cleaning every six months and maintaining a diet low in sugar can aid in keeping your teeth healthy. Your teeth will stay in your’ mouth if you take care of them. Which word is closest in meaning to "ushering" (Paragraph 7)
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