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1、广西省防城港市 2015 高考英语阅读理解一轮（第一阶段）训练（9）及答案【2015 高考复习】阅读理解Wisdom teeth are normally the last teeth to appear.This usually happens when people are in their late teen years or early twenties，in other words，when they are older and wiser.Wisdom teeth can grow into place normally and never cause a problem.But
2、often there is not enough room for them in the mouth；they might crowd other teeth.Sometimes they even push sideways through the gums (齿龈)An impacted wisdom tooth is one that fails to completely rise through the gums.Wisdom teeth that only partly break through can leave space for bacteria to enter ar
3、ound the teeth.Infection (感染) is a risk in these cases.Wisdom teeth that are not well lined and become impacted are often removed.The American Dental Association says removal is generally advised when wisdom teeth only partly break through the gums.Removal is also advised if there is a chance that w
4、isdom teeth ate poorly lined.The best time to remove is before the teeth cause any problems or pain.Young adults are the best candidates for wisdom teeth removal.But why do we have wisdom teeth if we often need to get them removed？One theory has to do with our diets.Scientists say the diet of ancien
5、t humans probably required more chewing teeth.Life was probably a little rougher on the teeth back then，too.So it was good to have extras.【语篇解读】 本文是一篇说明文。文章介绍了智慧之牙智齿。5According to the passage，which of the following statements is NOT true?AJust older and wiser people can have wisdom teeth.BWisdom tee
6、th can cause problems if not in their right place.CImpacted wisdom teeth cant grow out of the gum fully.DWisdom teeth that only partly break can get bacterial infections.解析 细节理解题。根据文章第一段可知，所谓的智齿是指在青少年晚期或二十岁出头长出的牙齿，而不是只有老人或智者才有的牙齿。答案 A6Wisdom teeth should be removed_.Awhen they break through the gums
7、Bwhen they are below the gumsCif they are not well lined or get impactedDif they take up enough room in the mouth解析 细节理解题。根据文章第四段第一句“Wisdom teeth that are not well lined and become impacted are often removed.”可知，C 项正确。答案 C 7We can learn from the passage that_.Aimpacted wisdom teeth have the risk of
8、getting infectedBancient humans need chewing teeth because of their happy lifeColder adults are the best candidates for wisdom teeth removalDmore chewing teeth are needed for the diet of modern humans解析 推理判断题。根据文章第三段可知，阻生智齿(即 impacted wisdom teeth)会在牙齿周围给细菌留出进入的空间，这就有被感染的风除。故选 A。根据第四段最后一句可排除 C 项；根据最
9、后一段可排除 B、D 两项。答案 A8The main purpose of the passage is to_.Aadvise Bpersuade Ccomment Dintroduce 解析 写作意图题。本文是一篇说明文。文章主要介绍了长智齿的大约时间、智齿可能导致的问题、拔掉智齿的时间、为什么长智齿等内容。所以本文写作的主要目的就是介绍。答案 D阅读理解阅读理解-（1）Last July, my 12-year-old car died on Californias Santa Ana Freeway. It was an hour before sunset, and I was 2
10、5 miles from home. I couldnt reach anyone to pick me up, so I decided to take a bus. Not knowing the routes, I figured Id just head east. A bus pulled up, and I asked the driver how far she was going. “Four more lights,” she said. There was another bus I could take from there. This clearly was going
11、 to be a long night. She dropped me off at the end of her route and told me which bus to look for. After waiting 30 minutes, I began to think about a very expensive taxi ride home. Then a bus pulled up. There was no lighted number above its windshield(挡风玻璃). It was out of service. But the door opene
12、d, and I was surprised to find that it was the same driver. “I just cant leave you here,” she said. “This isnt the nicest place. Ill give you a ride home.” “Youll drive me home in the bus?” I asked, perplexed(困惑). “No, Ill take you in my car,” she said. “Its a long way,” I protested. “Come on, ” she
13、 said. “I have nothing else to do.” As we drove from the station in her car, she began telling me a story. A few days earlier, her brother had run out of gas. A good Samaritan picked him up, took him to a service station and then back to his car. “Im just passing the favor along, ” she said. When I
14、offered her money as a thank-you, she wouldnt hear of it. “That wouldnt make it a favor, ” she said. “Just do something nice for somebody. Pass it along.” 1. Why did the writer say that he would have a long night?A. He wondered how long he had to wait for the next bus. B. No driver would give him a
15、ride. C. He didnt know the routes. D. He perhaps would have to take a taxi. 2. Judging from its context, the place where the writer waited for the second bus was _. A. very quiet and peaceful B. dark without street lightsC. neither clean nor beautiful D. a little unsafe3. Why did the writer change h
16、is mind after waiting for 30 minutes at the end of the route?A. No bus would come at the time. B. A taxi ride would be more comfortable. C. He became impatient and a bit worried. D. He knew the driver would never return. 4. The bus driver drove the writer home later because _. A. she happened to go in the same direction B. she wanted to do something good for other peopleC
