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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 not unusual to see your desk-mate yawn as he complains that he didn't have a good sleep the night before. Many teens don't get enough sleep because they have too much homework, which keeps them up at night. Some teens cannot sleep at night even when they want to. Studies show that during your teenage years, the body's biological clock is reset, telling you to sleep later at night and wake up later in the morning. But changes in the body clock aren't the only reason teens lose sleep. Lots of people have insomnia . The most common cause of insomnia is stress. But all sorts of things can lead to insomnia. These include physical discomfort, emotional troubles and even sleeping environment. It's common for everyone to have insomnia from time to time. But if it lasts for a month or more go and see a doctor. Some people have a condition that causes stomach acid to move backward towards the chest. This produces the uncomfortable, burning feeling called heartburn. So even if the person doesn't notice the feelings of heartburn because he is sleeping, he may feel tired the next day. Most teens have nightmares sometimes. But, if they are frequent, a person's sleep pattern can be seriously affected. The most common cause of nightmares is emotional problems, such as stress or anxiety. If you have them a lot, it's a good idea to talk to a doctor. Doctors encourage teens to make lifestyle changes to develop good sleeping habits. You probably know that coffee can keep you awake, but did you know that playing video games or watching TV does the same? Question: Which way can help to get rid of insomnia? Options: A: Drinking some coffee before going to bed. B: Playing video game or watching TV from time to time. C: Turning to a doctor for help. D: Eating much medicine for insomnia.
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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: Some people would say that the Englishman's home is no longer his castle; that it has become his workshop. This is partly because the average Englishman is keen on working with his own hands and partly because he feels, for one reason or another, that he must do for himself many households for which, some years ago, he would have hired professional help. The main reason for this is a financial one. The high cost of labor has meant that builders' and decorators' cost have reached a level which makes them prohibitive for house-proud English-people of modest means. So, if they wish to keep their houses looking bright and smart, they have to tackle some of the repairs and decorating themselves. As a result, there has grown up in the post-war years what is sometimes referred to as the "do-it-yourself movement". The "do-it-yourself movement" began with home decorating but has spread into a much wider field. Nowadays there seem to be very few things that can't be made by the "do-it-yourself movement" method. A number of magazines and handbooks exist to show hopeful handymen of all ages just how easy it is to build anything from a coffee table to a fifteen-foot sailing boat. All you need, it seems, is a hammer and a few nails. You follow the simple instructions step by step and, before you know where you are, the finished article stands before you, completely in every detail. Unfortunately, alas, it is not always quite as simple as it sounds! Many a budding "do-it-yourself" has found to his cost that one can not learn a skilled craftsman's job overnight. How quickly one realizes, when doing it oneself, that a job which takes a skilled man an hour or so to complete takes an amateur handyman five or six at least. And then there is the question of tools. The first thing the amateur learns is that he must have the right tools for the job. But tools cost money. _ It is not surprising then that many people have come to the conclusion that the expense of the paying professional to do the work is, in the long run, more... Question: Many Englishmen join in the movement of "do-it-yourself", because _ . Options: A: they are skilled handymen B: they are proud of their houses C: they can't afford professional help D: they are mean enough
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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: Money matters, no matter who or where you are. So when China's currency the yuan was devalued against the US dollar for three straight days in mid-August, the world felt the effects. As CNN put it: "If China sneezes, the world catches a cold." Why does it matter so much? The exchange rate is the term for the comparison of two currencies. It says how much one currency is worth in terms of the other. "Exchange rates play an important role in a country's level of trade. It is one of the most important determinants of a country's relative level of economic health," wrote Jason Van Bergen of Forbes.com. A higher currency makes a country's exports more expensive and imports cheaper, and vice versa . Devaluation means the same amount of RMB can be exchanged for fewer USD. For example, on Aug 11, the exchange rate of RMB to USD was 6.23, which meant $1 was worth the same as 6.23 yuan. Two days later, the rate changed to 6.4, meaning the value of RMB had dropped by 2.7 percent. So what does a weaker currency mean for our lives? It first affects those who want to travel to, or study in, the US. If your former classmate is leaving for a preparatory school in the US at the end of August, it now costs about 1,800 yuan more to exchange currency for 10,000 US dollars than it did earlier this month. However, since many currencies have decreased in value, the value of yuan is still relatively high despite the recent devaluation. This means it costs 1,200 yuan less to get 10,000 Canadian dollars now than it did in March. Even if we don't have plans to travel abroad, though, we could still be affected. For example, your mother will have to pay more if she buys directly from overseas websites with US dollars. And chances are that imported chocolate and potato chips will soon be a bit more expensive in your local supermarket. However, the weaker yuan is good news for Chinese exporters. It makes Chinese exports less expensive and it could boost the overseas sales that have been among the main reasons for China's economic... Question: If the exchange rate of RMB to USD increased from 6.5 to 6.7, how much more percent would you pay when you bought a bag worth $100? Options: A: 2.7 B: 5.4 C: 20.0 D: 3.1
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D