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题型:阅读理解 题类:常考题 难易度:普通

安徽省蚌埠市2016-2017学年高二下学期英语期末考试试卷

阅读理解

    Smoking is harmful. But as soon as you quit the habit, everything will be OK, right?

    Wrong

    New research has found that even if you give up smoking, the damage it has done to your genes(基因) will stay there for a much longer time. In the research, a team of US scientists studied the blood of 16,000 people. Among them, some were smokers, some used to smoke, and the rest were non-smokers. Scientists compared their genes and found that more than 7,000 genes of smokers had changed—a number that is one-third of known human genes.

    According to NBC News, both heart disease and cancer are caused by genetic changes. Some people may have had the changes when they were born, but most people get them in their day-to-day lives while doing things like smoking.

    When you stop smoking, a lot of these genes will return to normal within five years.

    This means your body is trying to heal (治愈) itself of the harmful effects of smoking. But the changes in some of the genes stay for longer. They can stay for as long as 30 years. It's almost like leaving a footprint on wet cement (水泥)—it will always be there, even when you've walked away and when the cement becomes dry.

    Although the study results may make people unhappy, there is a bright side: the findings could help scientists invent medicine to treat genetic damage caused by smoking or find ways to tell which people have heart disease or cancer risks.

(1)、The function of Paragraph 1 is to ________.
A、show the main idea of the passage B、give an example C、make an argument D、introduce the topic of the passage
(2)、Most genetic changes happen because of ________.
A、people's condition at birth B、people's bad living habits C、environmental pollution D、heart disease and cancer
(3)、The underlined word “it” in Paragraph 6 refers to ________.
A、the genetic change B、the cement C、the harmful effect D、the footprint
(4)、Which of the following statements is true?
A、The findings are the fruit of more than three years' research. B、The findings have prevented more people from starting smoking C、The findings help to find cures for genetic damage caused by smoking. D、The findings offer evidence that a damaged gene can heal itself.
举一反三
阅读理解

    The Boy Made It!

    One Sunday, Nicholas, a teenager, went skiing at Sugarloaf Mountain in Maine. In the early afternoon, when he was planning to go home, a fierce snowstorm swept into the area. Unable to see far, he accidentally turned off the path. Before he knew it, Nicholas was lost, all alone! He didn't have food, water, a phone, or other supplies. He was getting colder by the minute.

    Nicholas had no idea where he was. He tried not to panic. He thought about all the survival shows he had watched on TV. It was time to put the tips he had learned to use.

    He decided to stop skiing. There was a better chance of someone finding him if he stayed put. The first thing he did was to find shelter from the freezing wind and snow. If he didn't, his body temperature would get very low, which could quickly kill him. Using his skis, Nicholas built a snow cave. He gathered a huge mass of snow and dug out a hole in the middle. Then he piled branches on top of himself, like a blanket, to stay as warm as he could.

    By that evening, Nicholas was really hungry. He ate snow and drank water from a nearby stream so that his body wouldn't lose too much water. Not knowing how much longer he could last, Nicholas did the only thing he could — he huddled (蜷缩) in his cave and slept.

    The next day, Nicholas went out to look for help, but he couldn't find anyone. He followed his tracks and returned to the snow cave, because without shelter, he could die that night. On Tuesday, Nicholas went out again to find help. He had walked for about a mile when a volunteer searcher found him. After two days stuck in the snow, Nicholaswas saved.

    Nicholas might not have survived this snowstorm had it not been for TV. He had often watched Grylls' survival show Man vs. Wild. That's where he learned the tips that saved his life. In each episode(一期节目) of Man vs. Wild, Grylls is abandoned in a wild area andhas to find his way out.

    When Grylls heard about Nicholas' amazing deeds, he was super impressed that Nicholas had made it since he knew better than anyone how hard Nicholas had to work to stay alive.

阅读理解

    Asia can boast(吹嘘) that it has some of the best beaches in the world. Sihanoukville, Cambodia is a seaside town located 200km or a four­hour bus ride away from the country's capital, Phnom Penh. With several beaches and small offshore islands, it is definitely not a place to miss out if you are intending to visit Angkor Wat, as the beaches there are stunning and still unspoiled by mass tourism.

    Serendipity Beach

    Serendipity Beach is the most popular beach for the masses, since it is the most accessible beach, being the nearest one from the main town area. There are plenty of bars scattered around the beach, so be prepared for the crazy parties every night.

    Ochheuteal Beach

    Ochheuteal Beach is located south of Serendipity Beach, and it's a bit of an improvement from Serendipity Beach itself in terms of the people that go there. Over here, there are bars and pubs, but at night, don't expect wild parties like at the Serendipity Beach area.

    Otres Beach

    All the way down south, near Moat Peam, lies a hidden gem called Otres Beach. This is where you can get your yoga suit on and practice meditation(冥想). This is the quietest beach in Sihanoukville and it is the least crowded, with very few parties. If your idea of a beach holiday is just yourself and the sun, sea and sand, this place is for you.

    Koh Rong

    Koh Rong is an island off Sihanoukville that is covered with beautiful sandy beaches. True relaxation lies at Long Beach, which is located on the other side of the island. Clear water surrounds the beach, and once you get there, you'll be greeted with fine white sand.

    Koh Rong doesn't have any roads, so there are no cars or motorbike rentals — everything is mostly on foot.

阅读理解

    Time flies, but the tracks of time remain in books and museums. This is what made a recent tragedy in Brazil even more terrible.

    On Sept.2, a big fire ripped through the National Museum of Brazil. "Two hundred years of work, research and knowledge were lost," Brazilian President Michel Temer wrote on Twitter after the fire. "It's a sad day for all Brazilians."

    Most of the 20 million pieces of history are believed to have been destroyed. Only as little as 10 percent of the collection may have survived, Time reported. Among all the items, there were Egyptian mummies, the bones of uniquely Brazilian creatures such as the long-necked dinosaur Maxakalisaurus, and an 11,500-year-old skull called Luzia, which was considered one of South America's oldest human fossils.

    Besides these, Brazil's indigenous(本土的,土著的) knowledge also suffered. The museum housed world-famous collections of indigenous objects, as well as many audio recordings of local languages from all over Brazil. Some of these recordings, now lost, were of languages that are no longer spoken.

    "The tragedy this Sunday is a sort of national suicide, a crime against our past and future generations," Bernard Mello Franco, one of Brazil's best-known columnists, wrote on the O Globo newspaper site.

    The cause of the fire is still unknown, as BBC News reported on Sept. 3. After the fire burned out, crowds protested outside the museum to show their anger at the loss of the irreplaceable items of historical value.

    According to Emilio Bruna, an ecologist at the University of Florida, museums are living, breathing stores of who we are and where we've come from, and the world around us.

    Just as underwater grass floats on the surface if it loses its roots, a nation is lost without its memories. The fire at the National Museum of Brazil teaches the world an important lesson: We should never neglect history.

阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

    In recent years more and more Chinese schoolchildren are required to wear uniforms at school. Do American children wear school uniforms? In fact, American schoolchildren often wear uniforms if they attend religious or other private schools. Most public schools do not require uniforms. But over the last ten years or so, more of them have moved in that direction, including high schools. Another option is that students may just have to dress alike—for example, white shirts and dark colored pants or skirts. Even schools that do not require uniforms generally have a dress rule about what they consider acceptable. Schools commonly forbid clothing that shows images or words causing displeasure, or simply too much skin. Hats may be forbidden because, for example, different colors may be connected with bad guys.

    Some parents like the idea of uniforms. Some say it means they do not have to spend much on clothing for their kids. Others, though, argue that uniforms represent an unnecessary cost.

    There are also debates about whether uniforms or other dress rules go against civil rights. Students and parents have taken legal action against school dress requirements. Several years ago, a middle school was asked to stop its dress rule unless families had a way out of it. The American Civil Liberties Union of Northern California brought the case for the families of several students who had been punished by the school. Most attention centered on a girl who wore socks with the Tigger character from Winnie the Pooh. The school said its clothing policy, including no pictures of any kind, was needed to control a growing problem with gangs. The families argued that the policy went against free speech rights as protected by the United States and California constitutions.

    The United States Supreme Court says student expression is protected as long as it does not harm the work and the rule of a school. But some educators believe dressing alike helps improve student learning. They believe that uniforms help create a sense of unity and reduce the risk of fights. They also say uniforms make it easier for security reasons to tell if someone belongs to the school or not.

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