Please answer this: Write a multi-choice question for the following article, with the given choices and answer: Article: While there are some unpleasant people in the world, let's not forget that most people are friendly! If you find someone who likes the same restaurants as you or who is also crazy about "Harry Potter", then feel free to talk the night away! Just keep the conversation light and about your common interests. If a topic is brought up that doesn't sit well with you, keep in mind that you are always in control. Ignore your manners at this time! Do stay open-minded. Sometimes chatting with strangers can turn into a close bond--or just another person you can turn to for a laugh. But when typing away in your computer, it's easy to get carried away and to want to tell your new friend all about yourself. Keep the personal details as secret, and instead talk about fun hobbies or the latest episode of "The Good Wife". If Stranger Sally is asking what you look like, time to put up the red flag. It is never necessary for someone to know what you look like. Always listen to your gut .If something inside you is telling you something isn't right, it probably isn't. Pay attention to how your body responds to certain people online. Remember, you never really know who you are talking to just by looking at a computer screen name, so downloading anything is an no. See? Talking to strangers online doesn't always have to be a nightmare .By following these do's and don'ts, chatting with someone you don't know can be a cool experience,and can make sure that you stay safe in the world of the Internet. Options: A Download something from net friends. B Tell your living place to the new friends. C Send a picture of yourself to the strangers. D Talk about a fun hobby with the new friends. Answer: D Talk about a fun hobby with the new friends. Question:
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Answer: What should you do when chatting online?

Problem: Write a multi-choice question for the following article, with the given choices and answer: 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... Options: A People should care more about physical health instead of mental health. B Brain training has been proved effective through scientific researches. C A bad memory is the only reason for weak relationships with people. D Playing online games is the best way of brain training. Answer: B Brain training has been proved effective through scientific researches. Question:

A: What can we infer from the passage?

Q: Write a multi-choice question for the following article, with the given choices and answer: Article: Electricity bills can be highly expensive and the power we consume comes at an even greater cost to the environment when you consider that over 85% of the electricity produced in the United States comes from fuels. Whether you're concerned about cleaning up the environment or you simply want to reduce your electricity bill,residential wind power generators could be a solution. Producing wind power at home will not work for everyone. If you live in a over-populated residential area,there may be certain laws and zoning requirements that prohibit the use of windmills .If you live on 1 acre of land or more,you probably won't have any issues but you should investigate carefully to make sure that wind power generators are both legal and practical where you live. Even if there are no laws or regulations prohibiting wind power generators you still need to be in a location that gets enough wind on a regular basis. Some producers of wind generators recommend that you live in an area with wind speeds that average at least 10 mph. Newer models have been developed recently that can operate with wind speeds as low as 4 mph but maximum efficiency is achieved at higher wind speeds. Before you fix a wind powered system,you will have to determine your power requirements. Will you be using it to charge a small battery for a boat or vehicle or will you need enough power to run your entire household and be completely off the grid ?Once you know what your power requirements are,you can start shopping around for a system that can meet those needs. Wind power generators are a great solution for a lot of people.They're an ideal solution for remote locations where it would be impractical or simply too expensive to tap into the grid.They are quiet and totally clean,producing no pollution. They require no fuel and very little maintenance. Residential wind power offers a lot of benefits but it's not for everyone. You'll have to have some money up front to pay for the system and equipment;however,you could save quite a bit of money if... Options: A wind power generators enjoy a lot of benefits. B you can place wind power generators wherever you want. C wind power generators are affordable to most families. D wind power generators are an ideal solution for everyone. Answer: A wind power generators enjoy a lot of benefits. Question:
A:
What can we infer from the passage?