Read the following article and select the best answer. Article: People do not analyze every problem they meet. Sometimes they try to remember a solution from the last time they had a similar problem. They often accept the opinions or ideas of other people. Other times they begin to act without thinking. They try to find a solution by trial and error. However, when all these methods fail, the person with a problem has to start analyzing. There are six stages in analyzing a problem. First the person must recognize that there is a problem. For example, Sam's bicycle is broken, and he cannot read it to class as he usually does. Sam must see that there is a problem with his bicycle. Next the thinker must define the problem. Before Sam can repair his bicycle, he must find out the reason why it does not work. For instance, he must determine if the problem is with the gears, the brakes, or the frame. He must make his problem more specific. Now the person must look for information that will make the problem clearer and lead to possible solutions. For instance, suppose Sam decided that his bike does not work because there is something wrong with the gear wheels. At this time, he can look in his bicycle repair book and read about gears. He can talk to his friends at the bike shop. He can look at his gears carefully. After studying the problem, the person should have several suggestions for a possible solution. Take Sam as an illustration. His suggestions might be: put oil on the gear wheels; buy new gear wheels and replace the old ones; tighten or loosen the gear wheels. Eventually one suggestion seems to be the solution to the problem. Sometimes the final idea comes very suddenly because the thinker suddenly sees something new or sees something in a new way. Sam, for example, suddenly sees that there is a piece of chewing gum between the gear wheels. He immediately realizes the solution to his problem: he must clean the gear wheels. Finally the solution is tested. Sam cleans the gear wheels and finds that afterwards his bicycle works perfectly. he has solved the problem. Question: By referring to Sam's broken bicycle, the author intends to _ . - illustrate the ways to repair his bicycle - discuss the problems of his bicycle - tell us how to solve a problem - show us how to analyze a problem
tell us how to solve a problem

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Read the following article and select the best answer. Article: In a recent announcement, Harvard and the Massachusetts Institute of Technology(MIT)said that they have joined forces to offer free online courses in an effort to attract millions of online learners worldwide. Beginning this fall, a number of courses developed by teachers at both universities will be offered online through a new $60 million program, known as edX. "Anyone with an Internet connection anywhere in the world can use our online courses," Harvard President Drew Faust said during a meeting to announce the plan. MIT has offered a program called OpenCourseWare for ten years that makes materials from more than 2,000 classes free online. It has been used by more than 100 million people. In December, the school announced it also would begin offering a special certificate, known as MITx, for people who complete certain online courses. Harvard has long offered courses to a wider population through a similar program. The MITx will serve as the foundation for the new learning platform. MIT President Susan Hockfield said more than 120,000 people signed up for the first MITx course. She said Harvard and MIT hope other universities will join them in offering courses on the open-source edX platform. " _ ," Hockfield said. Other universities, including Stanford, Yale and Carnegie-Mellon, have been experimenting with teaching to a global population online. The Harvard-MIT program will be monitored by a not-for-profit organization based in Cambridge, to be owned equally by the two universities. Both MIT and Harvard have provided $30 million to start the program. They also plan to use the edX platform to research how students learn and which teaching methods and tools are most successful. Question: What is said about online education in the text? - Universities have been trying online courses. - About 2,000 online courses have been offered. - Over 100 million people have finished courses online. - Stanford and Yale together have courses similar to edX.
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Universities have been trying online courses.

Ques: Read the following article and select the best answer. Article: The Entropia Universe The Entropia Universe is a virtual world on the Internet, which seems very like our real life.It is set in a distant future and based on a planet called Calypso.Entropia was the brainchild of a group of Swedish computer lovers who decided to see if they could create a three dimensional virtual world that could be placed on the Internet.They did manage after they received the financial backing they needed. The game can be played for free, but nearly all in-game activities require personal resources that you have available to use.Although there are various activities to keep you busy on Calypso, what most people do first is to find themselves a profession, such as hunting the fierce animals on Calypso, mining the precious minerals and making tools.Then they can think about buying their virtual house or paying a visit to a virtual nightclub or doing any of the other activities that make life bearable. Entropia has its very own economy and its own currency, the PED (Project Entropia Dollars).Players move real world money into PED which they then use to pay for their life on Calypso.However, the virtual things inside Entropia do have a real value in the outside world, and careful business deals mean that players can actually make real money there.PED can be changed into dollars any time at a rate of 10PED to 1US$. What's so impressive about The Entropia Universe is the number of players; currently more than 600,000 representing over 220 countries from planet Earth.A number of players insist that it's a good way to make money.However, the reality of Entropia's economic system is that most people end up paying more than they earn and it's not uncommon to find players who are paying up to $200 a month into their PED account.This might not be the most economical way of spending one's free time.However, some people say that for them the fact that they can escape the realities of the earthbound life and become a different person with a completely different life for a few hours every week is... Question: What can we learn about The Entropia Universe? - It costs nothing to join. - It focuses on business plans. - It is designed for computer lovers. - It presents what life is like on other planets.
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It costs nothing to join.