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I'm taking a test and have to guess the right answer to the question after the article. Article: BEIJING - China's railway rates for freight and passenger transport will continue to be set by the government, announced a senior official with the National Development and Reform Commission (NDRC), China's top economic planner, on Friday. Cao Changqing, head of the NDRC's department of price, said that the country will continue to implement government-set or government-guided prices for the railway sector after the China Railway Corporation (CRC), a State-owned company that takes over the commercial functions of the former Ministry of Railways (MOR), went into business on March 17. Cao said the railway sector, constituting China's main public transport facilities, is a key basic industry. Its pricing scheme is concerned with both the sector's normal operation and development, as well as the daily traveling and vital interests of the general public. The state will be very cautious in making any price adjustment in the railway sector, taking into account various factors including operation, construction, public acceptance and coordinated development with other modes of transport, according to the NDRC official. Under Chinese law and regulations, hearings will be held before adjustments in the basic passenger train ticket fare, Cao said. In China's latest railway reform, endorsed at the just-concluded annual session of the country's top legislature, the former MOR was dismantled into two parts, with the newly created CRC carrying out business functions and a state railways administration fulfilling administrative functions. Question: What does this passage mainly talk about? Options: A: China's railway pricing scheme unchanged B: A State-owned company takes over the commercial functions of MOR. C: China's latest railway reform D: The former MOR was divided into two parts
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: The US space agency NASA is looking for people to go to Mars, and stay there. This attractive career is for people who want a huge change of scenery and planet. The project is called the Hundred Years Starship, which aims to colonize other lands such as the red planet Mars. Settlers would travel to the red planet and live there forever. NASA says it would be too expensive to bring humans back to Earth. The space agency can afford, however, to send supplies to the astronaut pioneers from Earth. Astronauts would be landed on the planet's surface and would never be able to return home due to the cost. NASA has started the project with $1.6 million, and hopes to attract investment from space-living billionaires. Google co-founder Larry Page told NASA he would be interested if the cost of a one-way ticket can go down from $10 billion to $2 billion. The journey to Mars could take 4 months. Setting on the red planet would be extremely dangerous, especially given the freezing temperatures there. The thin atmosphere would be another problem as it is mostly carbon dioxide, so oxygen supplies are a must. A director in NASA said that he believed the trip might start with visiting Mars's moons first. He claimed that humans could be on Mars's moons by 2030. Many scientists think colonizing space is absolutely necessary. Steven Hawking believes we must move to other planets to survive as a species. He said: "Once we spread out into space and establish independent colonies, our future should be safe." Scientists Dirk' Schulze-Makuch and Paul Davies also call it a "desirable goal", though there surely are huge risks to explore new lands. Question: Which of the following is TRUE about the Hundred Years Starship? Options: A: It has cost NASA around $10 billion. B: It is expected to be conducted on Mars in 2030. C: It aims to explore new lands in the universe. D: It is a project first raise by Steven Hawking.
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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: It is generally believed that we are getting cleaned when we step under a shower. We are, but we're also giving a home to lots of tiny little creatures we didn't even know about. A showerhead carries thousands of bacteria called Mycobacterium.These can cause problems like coughs and tiredness, and a general feeling of poorliness . When you turn on the water, the bacteria go from the showerhead onto and into your body. This is a finding of Norman R. Pace and his team at the University of Colorado, in the US. The scientists investigated bacteria in all kinds of human environment, including showers.Pace's team looked at 45 showerheads in nine American cities. They discovered that 30 percent of them had large amounts of flying Mycobacterium. But Pace said that they _ few threats to the health.Only those with a weak immune system might need to worry.He told the New York Times that the bacteria are not as unpleasant as might be thought.He said that having a shower is no more dangerous than anything else we do in the morning. But for those who feel sick about the idea of all those microorganisms , he had some advice. Let the water run for 30 seconds before getting into the shower. Why? The number of bacteria is smaller than that when the water is just turned on. If that seems like a waste of water, he added that you could also change your showerhead every few months. However, Pace had good news too. He has also been testing the air in US subways. Apart from iron particles , which are ground off the track by the wheels of trains, subway air is fresh. The reason is that a train's movement pumps fresh outdoor air into the tunnels. Pace explained that he wanted to understand the natural microbial environments of public places. This kind of knowledge might help discover the microbes to be used in a bioterrorist attack. Question: What contributes to fresh air in US subways? Options: A: The train's movement. B: Iron particles. C: Train wheels. D: Air conditioners on the trains.
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A