Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr. Green works in a high school. He likes reading and often borrows some books from the library. He keeps reading newspapers after supper. So he knows much and teaches well. His students loves him very much. Mike, his little son, is only nine. He also likes reading books. And he often asks his father some questions. Mr. Green always answers difficult ones. One day Mike read something about phones and he was interested in it. He asked his father a few questions, and his father answered all. His father said, " Fathers always know much, but sons always know little!" The boy thought for a minute and said," I don't agree with you." "Oh? Why?" Mike didn't answer but asked, "Who invented the phone?" "Bell." answered Mr. Green. "Why didn't his father invent them?" Looking at his son, Mr. Green didn't know how to answer it. Options: A Bell B Mr. Green C Mike. D Bell's father. Answer: A Bell Question:
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The answer is:
Who invented the phones?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Who would win in a competition to memorize numbers, a chimp or a teenager? The teenager? Think again. Scientists have proved that chimps perform better than human beings when it comes to this kind of problem. We may have to rethink what we believe about human memory. Memory is our ability to learn something, save it and recall it when needed. Our memories are important to our sense of self, our personalities, and our ability to understand the world. Scientists say that there are different types of memory. There is short-term memory and long-term memory. Your short-term memory saves information for a few seconds or a few minutes. For example, the time it takes to compare the prices of a few items in a store. Long-term memory involves the information you try hard to keep, because it's meaningful to you (an example is data about family and friends. ) And then there is visual memory and sound memory. But these are not hard and fast: scientists argue a lot about the nature of memory. Scientists have also found that people memorize things in different ways. Some memorize better with the help of pictures. Others are helped more by sounds. One thing's for sure. If you can combine different kinds of memory together, you will remember a lot! So why not try pictures with English words? At the same time listen to recordings of the same group of words. It may help when it comes to memorizing it. Imagination and association can be useful too. By imagination scientists mean picturing a word in your mind. Association means relating the word to something you already know. Options: A By watching TV. B By listening to music. C By writing them out many times. D By listening and watching pictures. Answer: D By listening and watching pictures. Question:
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The answer is:
According to the article, which of the following is the best way to memorize words?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: As we all know, people couldn't live without water. Some parts of our bodies are made of water. We depend on clean water to live every day. However, we human beings are polluting water seriously. In some areas of China, people are still in great need of clean water. Dirty water is one of the world's biggest healthy problems. It's harmful to our health. When water from the rain and melting snow runs through roads, it picks up some dangerous chemicals and other things along the way. Many of the rivers are short of protections, so they are easy to be polluted by factories or animals' waste. World Water Day has grown to become one of the important dates since 1993. In 2013, World Water Day shares the topic of Water Cooperation. If everyone tries their best to save and protect the clean water, our living conditions will be much better. ,. Options: A schools B factories or animals' waste C fish D human beings' waste Answer: B factories or animals' waste Question:
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The answer is:
Many of the rivers are easy to be polluted by _ .