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I'm taking a test and have to guess the right answer to the question after the article. Article: In some countries in which there is very little rain at any time, the farmers have to irrigate their fields. Irrigation is easy enough if there is a great river near the crops, and if there is plenty of water in it. Canals carry the river water to the fields when necessary. In some seasons there may be too much water in the river, and the water may flood all the land near it. At other times the river water may not be enough for all the farmers, and then it will be difficult to irrigate the fields. To prevent these difficulties, a dam may be built across the river. This will store water for dry seasons, and in wet seasons it will prevent the flooding of the land. A great lake will, no doubt, be formed behind the dam, and this may mean that houses and fields will be covered with water. Most people will accept _ and will be ready to move to other places. Then the country can have the right amount of water at all times; more crops will be grown, there will be more food for everyone, and there will be no more floods. Dams have been built for centuries in different parts of the world. Modern dame are usually built of concrete but earth dams were used in India and Sri Lanka about 2500 years ago. There was another across the River Tigris very long ago, and large numbers of irrigation canals were made in Iraq to irrigate the land. The Romans were great dam-builders and there was also a famous dam at Ma' rubin Arabia. We cannot use sea water for irrigation; the salt will not allow the crops to grow. Fresh water is always needed, and it is very difficult and costly to make fresh water from sea water. This is done in a few countries, but the fresh water is for drinking. There is not enough at present for irrigation. Perhaps a scientist will one day invent a cheaper way of producing fresh water from the sea. Question: A dam is usually built _ . Options: A: to cover the houses and fields B: for people to have the right amount of water at all times C: to grow crops better D: to form a large lake
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: In Britain, it's bottoms up from the week before Christmas till the last firework explodes in the sky announcing the new year. The last Friday before Christmas, popularly known as 'Mad Friday', is one of the busiest periods for the country's pubs and clubs. But it's not just the bars that get busy. Ambulances and A&E departments around Britain get packed out too. Head injuries, cuts, falls...it's easy to end up hurting yourself or others when self-control disappear and your head is spinning due to alcoho1 revelers have been warned by the health authorities about the dangers of deadly drinking but drinking crazily seems to be part of the festivities for some. The charity Alcohol Concern is running a campaign of restriction by encouraging people to have a dry January. Jackie Ballard, the charity's Chief Executive, believes the campaign has been successful in recent years. She says, "More than two-thirds of people even six months later are drinking at reduced levels having had a month off drink. But also a study has shown the impact it has on people's health reducing their blood pressure and blood sugar levels." The study by the University of Sussex followed up nearly 900 participants in Alcohol Concern's Dry January campaign and found out that 72%of them had kept harmful drinking sessions down and 4%were still not drinking. Moderation seems to be the key to everything. The official recommendation for women is not to regularly drink more than 2 to 3 units of alcohol a day. The limit for men is 3 to 4 units of alcohol -- no more than a pint of 5.2%ABV lager, beer or cider. Question: The last Friday before Christmas is called 'Mad Friday' because _ . Options: A: people stay up too late B: people go out and drink a lot C: firework explodes in the sky D: people go shopping madly
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: Your brain isn't a muscle, but you can treat it like one Many people focus on physical fitness, but few know that brain fitness is also something you can work on. In fact, you can exercise your brain as often as you do to your arms or legs-and the results can be positive and empowering. To improve your brain, you can't simply repeat the same exercises over and over. Just as lifting a two-pound weight will stop challenging you, so will repetitive exercises such as crosswords or Sudoku. Once you master easy exercises, you must move on to harder ones in order to push your brain-like your muscles-to a new level. The science behind brain training Scientists once believed that your mental abilities were fixed in adulthood. Since studies have shown just the opposite, millions of people around the world have adopted the new practice of brain training. The most popular of these brain training products is made by the San Francisco-based Lumosity. Lumosity's scientists with an experienced team of game designers have developed a fun,effective online brain training program that measures, tracks, and adapts to your progress, so you'll always be challenged. Promising studies on the effects of brain training In a 2013 Stanford study, a treatment group of 21 breast cancer survivors used 12 weeks of Lumosity training to work on processing speed, mental flexibility, and working memory tasks. On average, those who trained improved on tests of these abilities, compared to a group that did not train with Lumosity. There is even some evidence suggesting that Lumosity may be beneficial to normal, healthy adults. In a 2011 study by Lumosity and San Francisco State University researchers. 13 people who trained over 5 weeks improved working memory scores by 10%and attention scores by 20%. Brain training is designed to meet real-life needs The design of brain train ing is targeted at real-life benefits instead of improving game scores. Better attention, for example, can mean greater focus in the classroom or at an important business... Question: Which skill may brain training not improve? Options: A: Better attention. B: Better writing skills. C: A better memory. D: Higher processing speed.
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C