input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Many people think that water will never be used up because there are many rivers and lakes. And the rain can make us get enough fresh water. Also, we can dig wells to find fresh water under the ground. In fact, it is wrong and dangerous to think so. In some areas, people fight for fresh water. There is little rain there all year round. Let's look around us. Some factories pour dirty water into rivers. And some people drop litter into rivers. We see polluted water here and there. We must do something to help people understand about preventing water from being polluted. It's never too late if we take action right now. Options: A Water will never be used up. B How to find fresh water. C Water is everywhere. D Shortage of fresh water. Answer: D Shortage of fresh water. Question:???
output answer: What's the main idea?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Scientists who study the climate are still arguing about how fast the earth is warming and how much it will warm, but they do agree that the earth is warming and that it will keep warming if we don't do anything about it. Scientists agree that the burning of fossil fuels like oil and coal cause greenhouse gases to escape into the air and that these gases are causing most of the warming. Another cause is deforestation (cutting down trees) . Trees _ carbon dioxide, one of the greenhouse gases, from the air. There are already some changes happening because of global warming. Sea level is rising and some animals are already moving to new homes. It's already too late to stop global warming completely. If the warming gets worse, as scientists expect, there may be some kinds of plants and animals that is disappearing because they can't move to new homes. There may be more storms and floods. Sea level may rise so much that people have to move away from the coasts. Some areas may become too dry for farming. Global warming is a very difficult problem to fix. People are having a hard time agreeing on what to do about it. For example, everyone agrees that wasting energy is a bad thing to do. But some people think that the federal government should make laws about it, while other people think it should be up to each person or business to decide what to do. Many states and businesses in the United States are not waiting until the federal government decides what to do. They have already started working on the problem. Options: A The reason for global warming B How to stop global warming C The changes to the world D The global warming Answer: D The global warming Question:???
output answer: What is the best title of this passage?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Diaoyu Dao and its affiliated islands, which consist of(...)Diaoyu Dao, Huangwei Yu, Chiwei Yu, Nanxiao Dao, Beixiao Dao, Nan Yu, Bei Yu, Fei Yu and other islands, are in the northeast of China's Taiwan Island, in the waters between 123deg20'-124deg40'E and 25deg40'-26deg00'N . They belong to the Taiwan Island. The total area of these islands is about 5.69 square kilometers. Diaoyu Dao, in the western tip of the area, covers an area of about 3.91 square kilometers and is the largest island in the area. The highest part on the island stands 362 meters above the sea level. Huangwei Yu, which is about 27 kilometers to the northeast of Diaoyu Dao, is the second largest island in the area, with a total area of about 0.91 square kilometers and a highest height of 117 meters. Chiwei Yu, about 110 kilometers to the northeast of Diaoyu Dao, is the easternmost island in the area. It covers an area of about 0.065 square kilometers and stands 75 meters above the sea level. Ancient ancestors in China first discovered and named Diaoyu Dao through their fishing activities on the sea. In China's historical books, Diaoyu Dao is also called Diaoyu Yu or Diaoyu Tai. The earliest historical record of the names of Diaoyu Dao, Chiwei Yu and other places can be found in the book Voyage with a Tail Wind published in 1403. It shows that China had already discovered and named Diaoyu Dao by the 14th and 15th centuries. These historical reports clearly show that Diaoyu Dao and Chiwei Yu belong to China. The sea waters around Diaoyu Dao is traditionally Chinese fishing ground. Chinese fishermen have been involved in fishing activities in these waters for generations . Options: A 5.69 B 3.91 C 0.91 D 0.065 Answer: B 3.91 Question:???
output answer: The largest island of Diaoyu Dao is _ square kilometers.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Sharks frighten most of us, but Daniel Weaver, a shark scientist, swims with them for a living! We asked him some questions about this unusual job. So Daniel, what's it like to be a shark scientist? Well, it's a great job. I often travel to faraway places like South Africa and Fiji to study sharks. On the other hand, a shark scientist sometimes does boring desk work, such as writing reports. Also, shark scientists don't usually get paid a lot. What qualities do you need to become a shark scientist? Shark scientists need to be wise and strong. They enjoy working outdoors and they have to be cool and patient . They also have to be quite brave! So do you think it's a dangerous job? Well, sharks have up to 15 rows of sharp teeth. However, sharks hardly attack humans. There are over 350 kinds of sharks in the world and only about 10 are dangerous to us. In fact, dogs kill more people every year than sharks! Humans kill over 12 million sharks a year for food and sport! How do you become a shark scientist? A shark scientist usually studies _ or _ at university. It's also good to get some work experience in an aquarium . In my opinion, I have the best job in the world! Options: A studies sharks in his neighbourhood B makes lots of money C swims with sharks for a living D only writes reports on sharks Answer: C swims with sharks for a living Question:???
output answer:
As a shark scientist, Daniel _ .