[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: London used to be "foggy" for the same reason that cities like Beijing or Chongqing are "foggy" today. The "fog" was in fact smog, a mixture of smoke and fog. In other words, it was made by air pollution. In London, some of this pollution came from factories, but much of it came from the coal that people burnt in their houses to keep warm during the winter. By the 1950s, London's smog problem had become so bad that the government decided to do something to clean the air. A new law was made and nobody could burn coal in any British city. Within a few years, the air became much cleaner. There were no more " _ ". Many Chinese cities now face the same sort of problem with air pollution that London faced 40 or 50 years ago. However, this problem is more difficult for Chinese cities to solve. One reason is that more of the pollution comes from the factories, rather than from coal burnt in people's houses. If these factories were closed, this would harm the economy and lots of people would lose their jobs. Another reason is that changing from coal to cleaner fuel , like gas, is quite expensive. However, the air in many Chinese cities is becoming cleaner and cleaner, as the government and people pay more and more attention to cutting down pollution. As a result, there are fewer "pea-soupers" in Beijing than there used to be. Options: A There was too much smoke in the sky. B There were too many factories in the city. C People burnt too much coal in the houses. D The city was too big for the cleaners to clean. Answer: C People burnt too much coal in the houses. Question:
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[A]: What was the main reason for air pollution in London?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: You go to a store. You see many new things. You know about them before you get to the store. How do you know? You saw these things on TV. You learned about them through advertising. People have been advertising for thousands of years. Long ago, men called "criers" walked up and down the street. They shouted about things that were being sold. Later, people met at one place. This place was a market. Some people came to sell. Other people came to buy. But only those people who were at the market knew what was being sold. When people learned about printing, things changed. Soon there were newspapers. Many people read the newspapers. They saw many ads in the papers. Later, more people saw and listened to the ads on TV. Are the people who sell to us "criers"? Options: A on TV B in the newspapers C everywhere D both A and B Answer: D both A and B Question:
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[A]: Later people could find the ads _ .

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Dubai is a city of big business, expensive hotels , skyscrapers ,and shopping malls, In the early 20th century, Dubai was a successful trading port. People from the world stopped in Dubai to do business, But it was still a small city, and most people lived as fishermen and businessmen. Then in 1966, oil was discovered. This brought a lot of money into the area, and soon Dubai began to change. Today Dubai is one of the world's most important business centers. In fact , each year the city gets its money mainly from business, not oil. Recently Dubai has attracted more and more visitors from abroad, They come to relax on its beaches, and every year, millions visit just to go shopping! Dubai is also one of the world's fastest growing cities. Many tall buildings are built in months. The city also has many man-made islands.One of these, the Palm Jumeirah, is like a palm tree and is very beautiful. The city is still an amazing mix of people from different countries . The people from 150 countries live and work in Dubai , and foreigners now _ Dubai natives by eight to one! Many people welcome the city's growth. But an increasing number of Dubai natives worry about the speed of change As a Dubai native says, " _ ." Options: A To relax. B To buy oil. C To go shopping. D To do business. Answer: D To do business. Question:
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[A]: Why did people stop in Dubai in the early 20th century?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Hello, I'm Jones. I want to go to the following three places. I would like to visit Harpo Studios in Chicago, because it hosts The Oprah Winfrey Show. I really love Oprah Winfrey. I want to meet her. It doesn't snow in my country. Chicago is in the northeast of the USA. I'd like to be there, see snow. Paris is the most beautiful city in the world. I would like to visit its beautiful streets and the famous Eiffel Tower. Paris has many zoos. So I can go to the zoos and have a look at the animals. There are many cars on the streets, but I can take the subway to get around the city. On my summer vocation, I would like to go to Barcelona. First, there are many beautiful beaches. Second, there are well-known desserts and fruits in Barcelona. Options: A fruits B streets C zoos D theatres Answer: A fruits Question:
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[A]:
From the passage, we can know that Barcelona's _ are famous.