Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr and Mrs Smith have just opened a small restaurant. In order to _ , they put a notice in front of the restaurant, which said " Meals on the House for Three Days." A foreign student who didn't know much English happened to pass by the restaurant on the second day. It was lunch time and he felt very hungry. "Well, here is a restaurant. I am going to have something to eat." He walked towards the restaurant when he saw the notice. " American people are really strange. They even eat dinners on the house! But how can I get up to the top of the house?" he said to himself. He looked around and found a ladder against a tree nearby. He was very glad. But as he reached the top he heard someone shouting at him. " Hey, what are you doing up there?" Mr Smith was looking at him angrily and beside him was a policeman. " Don't your notice say " Meals on the House for Three Days"? Is it just a joke?" the foreign student answered. On hearing this, both Mr Smith and the policeman laughed. " Don't you know what ON THE HOUSE means? Look it up in the dictionary," the policeman said. Options: A the USA B Canada C England D Australia Answer: A the USA Question:
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The story happened in _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Saving water is an important part of going _ . As water becomes less and polluted more, conservation becomes more and more important. The less water you use, the less wastewater will end up in our rivers and lakes. Wasting water means that more water needs to be treated and cleaned, a process that requires quite a lot of energy. As it is said above, cutting down on water usage is one of the most important things you can do for your local environment and the planet as a whole. That is why more green households are going blue: cutting down their water footprint by conserving and harvesting water. It may seem like a big concept, but going blue starts with small changes that everyone can make. Something as simple as turning off the tap while you brush your teeth can save a lot of water. Wash your fruits and vegetables in a bowl rather than under a tap to save even more. Make sure that the taps are fully turned off every time you step away from the sink or the shower -- all those little drips can add up to a lot of water waste. Another way of reducing your water footprint is reducing your dependence on the main water supply. Rainwater harvesting can meet a lot of your home's water needs. Many of us already practice rainwater harvesting in a small way. Collecting water from your gutters is a great way to keep your garden green without running the sprinkler . Options: A we can get enough water by harvesting B most people pay no attention to saving water C we can practice rainwater harvesting in a small way D harvesting water is more necessary than conserving it Answer: C we can practice rainwater harvesting in a small way Question:
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From the passage, we can know that _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Bicycle sharing systems are also known as yellow bicycle programs, white bicycle programs, public bikes, or free bikes. They are increasingly popular in Europe now. Paris has the world's largest urban cycle rental system. This is a bike rental station in Paris. The worker is showing how to use a new self-service bike. They say that Paris will become "a green capital of bikes" and they plan to park 20,000 bicycles at 1,600 stations. Paris created this plan to improve the city traffic environment and reduce the waste gas displacement . At a rental station, you only have to put your credit card into the machine to rent a bike. It provides French, German, English and Chinese services. If you ride the bike for only 30 minutes to relax, you needn't pay for it. A two-hour bike rent only costs you 4 euros. These stations work for 24 hours every day, so a bike is rented for 10 to 14 times a day. In this way there are 200,000 people using bikes a day, In the past few years, Paris has encouraged its people to ride bikes, but something unhappy has happened now and then. Some people break the traffic rules during rush hours. Some park their bikes everywhere. So how to park bikes is a problem that Paris will face. But this project is still a helpful way to improve its traffic environment. Don't you think so? Options: A relax travelers B improve the environment C reduce traffic accidents D get money Answer: B improve the environment Question:
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Paris built many rental systems to _ .