Article: Johann Gutenberg, who worked as a goldsmith , took what had already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks of letters in such a way that written material could be printed and mass-produced. Few people could read before Guttenberg made the invention, but once books became less expensive, more Europeans could read and write. Block printing existed long before Gutenberg. The Chinese had been using wood blocks to print books as early as 868, but a new set of woodcuts had to be made for each book. Producing one book was not easy; producing all kinds of books was more difficult. Writing ink dates from about 2500 BC in Egypt and China. Gutenberg used an oil-based printing ink that would last longer than other inks used in his time. We don't know much about Gutenberg because he was not famous during his lifetime. He was born in Germany about 1400. In 1448, Gutenberg developed signatures for each number, letter, and punctuation mark . He then built the molds to hold the signatures in place. Gutenberg published the first mass-produced book: a 1,282 page Bible. To this day, more copies of the Bible have been printed than any other book. Copies of Gutenberg's invention spread throughout Europe, but the German goldsmith did not get rich from his invention. Some officials _ the invention of printing because they feared that it would spread bad ideas. By 1500 there were 1,700 printing presses in Europe. The presses had already produced about 20 million volumes of 40,000 different books. Question: What is the best title for the text? Yes or no, is the answer "An invention that changed history"?
No

Article: It is natural that young people are often uncomfortable when they are with their parents. They say that their parents don't understand them. They often think that their parents are out of touch with modern ways: that that they are too serious and too strict with their children; and they seldom give their children a free hand. It is true that parents often find it difficult to win their children's trust and they are easy to forget how they themselves felt when young. For example, young people like to act right away without much thinking. It is one of their ways to show that they have grown up and they can face any difficult situation. Older people worry more easily. Most of them plan things ahead, at least in their minds, and do not like their plans to be upset by something unexpected. When you want your parents to let you do something, you will have better success, if you ask before you really start doing it. Young people often make their parents angry with their choices in clothes, in entertainment and in music. But they do not mean to cause any trouble; it is just that they feel cut off from the older people's world, into which they have not yet been accepted. That's why young people want to make a new culture of their own. And if their parents like their music of entertainment or clothes or their ways of speech, this will make young people especially happy. Sometimes you are so proud of yourself that you do not want your parents to say "yes" to what you do. All you want is to be left alone and do what you like. It is natural enough, after being a child for so many years, when you were completely under your parents' control. If you plan to control your life, you'd better win your parents over and try to get them to understand you. If your parents see that you have a high sense of responsibility, they will certainly give you the right to do what you want to do. Question: This article is particularly written for _ . Yes or no, is the answer "young people"?
No

Article: Protagoras was among the great teachers of ancient Athens. He taught many subjects, including the laws of argument and the right use of language. It is said that he was the first teacher to accept money for his services. A student, Evalthus, heard of this famous teacher and asked him to give him lessons. However, Evalthus didn't want to pay for his lessons at once, and after some discussion it was finally agreed between them that Evalthus should pay only if he won his first case in the court. For if he won, it would prove that he had been taught well. The lessons began and Evalthus proved himself to be a good student. But he refused to pay Protagoras anything at the end of his studies. Protagoras therefore took Evalthus to the court and told the judges that he wanted his money. He explained that he must be paid whether he won or lost the case. "Whatever you decide," he declared to the judges, " I must be paid. For if you decide in my fovor , then I win the case, and so I must be paid . But If you decide against me, then Evalthus has won his first case in the court; according to our agreement, he must pay his lessons. Therefore I shall get my money whatever happens." The Athenian judges found no fault in it, so they asked Evalthus to reply. "No, it's quite clear," said Evalthus, " that I need not pay. If the judged decide in my favor, then I have won the case, and I need not to pay. But if Protagoras wins, then I have lost my first case. Therefore, according to our agreement, I do not have to pay. So I need not pay in any event." As both arguments appeared to be faultless, the judges were unable to come to a decision. They therefore ordered the two men to appear before them again one hundred years later. Question: Evalthus would pay Protagoras _ . Yes or no, is the answer "after the court proved that he was taught well"?
Yes

Article: It's good to make mistakes,and here is why. First of all,mistakes are a clear sign that you are trying new things. It's always good to try new things because when you are trying new things you are growing. If you never try anything new,how can you improve?How can you expand?The simple answer is"You can't."Look around you. With very few exceptions,either every-thing you see in your world or every single detail of every single thing is the result of someone trying something new. Another good thing about mistakes is this:When you are making mistakes,you are learning.Consider this:Edison failed 10,000 times before he perfected the 1ight bulb.When asked how it felt to fail that many times,he said that he hadn't failed 10,000 times,but rather had learned 10,000 things that didn't work. Finally,when you make a mistake you are much closer to success.Why?Because when all is said and done,you will have tried some numbers of things before you succeed.Every time you make a mistake you eliminate one of those things and are one step closer.But this all doesn't mean that you should go ahead without considering the consequences of a mistake.Quite the contrary,when you try something new you have to be willing to set some reasonable limits so that in the event that it doesn't work out the way you want it to,you will he in a position to try again. We all have limited time and money so don't blow them all on one approach to a problem.Realize that it probably won't be perfect the first time and allocate these resources properly so you can learn,make corrections,and try it again.If you accept and use your mistakes in this way,you can make great progress in your business and your career. There is an old saying that goes,"If you're not making mistakes,you're not trying hard enough."So go ahead and make mistakes.And learn.And grow.And succeed. Question: According to the article,one thing you should pay attention to about making mistakes is _ . Yes or no, is the answer "taking consequences into consideration1]"?
Yes