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I'm taking a test and have to guess the right answer to the question after the article. Article: Days after celebrations honoring his bicentennial , Abraham Lincoln kept his rank as best US president, according to a survey of 65 historians that landed George W. Bush 36th out of 42 overall. Abraham Lincoln (1861-1865), the first US president George Washington (1789-1797) and New Deal architect Franklin D. Roosevelt (1933-1945) were ranked the top three out of the 42 men who have been the country's former chiefs, according to a survey by cable channel C-SPAN. John F. Kennedy came in sixth, ahead of Ronald Reagan (10th) and Bill Clinton, who jumped to 15th from 21st during the last survey in 2000, when prefix = st1 /Lincolnalso ranked first. Of all modern presidents, Bush, who left office last month after an eight-year term, behaved worst at 36th, nearly 10 spots behind Richard Nixon (27th), who was forced to resign in disgrace in consequence of the Watergate Scandal . Bush scored lowest in international relations, where he ranked 41st, and in economic management, where he placed 40th. His best ranking was 24th, in having "pursued equal justice for all." He came 25thin crisis leadership, and for his vision and agenda setting. Reagan behaved well in public persuasion, where he was pushed to 3rd spot, from his 10th place overall. Bill Clinton also received honors for his public persuasion, landing a 10th spot in that category, up from 15th overall. But presidential historians were critical of his moral authority, placing him 37th, ahead of Richard Nixon (41st), but behind Bush (35th). Jimmy Carter fell from 22nd to 25th overall, and many other presidents moved positions. The fluidity of opinions of past presidents reflects contemporary concerns, according to Edna Medford, a survey leader and participant. "Today's concerns shape our views of the past, he it in the area of foreign policy, managing the economy or human rights," she said in a statement. Presidents James Buchanan, Andrew Johnson, Franklin Pierce and William Henry Harrison ranked worst overall. Question: What's the best title for the above passage? Options: A: An introduction to American presidents B: Why do Americans rank their presidents? C: Historians rank Lincoln best USpresident D: The rankings of some American presidents
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: London Underground The world's first subway was built in London in 1863. At the time,the government was looking for a way to reduce traffic problems in the city of London. The poor areas of the city were so crowded with people that it was almost impossible for horse carriages to get through. The city officials were interested in trying to make it possible for workers to live outside of London and travel easily to work each day. If people had a cheap and convenient way that they could depend on to go to and from work, they would relocate their homes outside of the city. This would help ease the pressure of too many people living in the poor parts of London. From these problems,the idea of the London Underground,the first subway system,was born. The plans for building the Underground met with several problems and delays,but the fast track was finally opened in January 1863. A steam train pulled the cars along the fast underground track which was 6 kilometers (3.7 miles) long. About 30,000 people got on the subway the first day. Riders were treated to comfortable seats (standing up while the train was moving was not allowed), and pleasant decorations inside each of the cars. However, the smoke from the engine soon filled the air in the tunnels with ash and soot , as well as chemical gases. Fans had to be put in the tunnels later to keep the air clean enough for people to breathe. Even with its problems,riding in the Underground did . It carried 9 million riders in its first year. Question: What led the British government to build the London Underground? Options: A: Traffic jams and pollution. B: Population and pollution. C: Overcrowding and traffic jams. D: The poverty and subway problems.
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: Imagine putting some bacteria in the freezer and taking them out millions of years later to find that they are still alive. That would be similar to what happened recently, when scientists brought eight-million-year-old bacteria back to life -- simply by thawing them out. The ancient bacteria were found frozen in the world's oldest known tracts of ice, the glaciers of Antarctica. Professor Bidle and his colleagues found and revived two samples of bacteria from the glacial ice. The first was a hundred thousand years old, and the second was around eight million years old. The eight-million-year-old bacteria were alive. But their genes were seriously damaged from long exposure to cosmic ( ) radiation, which is higher at the earth's poles. Most of the bacteria in the samples probably blew over from African deserts, said Paul Falkowski, a scientist at prefix = st1 /RutgersUniversity. Once the bacteria landed on the glacier's snowy surface, they combined with the snow to form ice. "These ices are actually gene banks," he added. As glaciers and ice caps melt as a result of increasing global warming, large amounts of bacterial genetic material might be washed into the ocean. These bacteria might get incorporated into today's bacteria in the ocean, or living bacteria from the ice might also grow and have an important effect on the ecosystem. "How that's going to play out, we don't know," Bidle said. He and Falkowski plan to focus their future work on how current ice melting influences modem bacteria's genetic diversity. Question: According to Paul Falkowski, the ices in Antarctica are gene banks because _ . Options: A: there are bacteria from African deserts B: dead bacteria in them can be easily revived C: they are fit for people to store bacteria D: plenty of living bacteria can be found in them
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D