Q: Write a multi-choice question for the following article, with the given choices and answer: Article: Taking away a city's rubbish is a big job. Every day trucks come into a city to collect it. Most rubbish is made up of things we can't eat or use. If we kept these things we would soon have a mountain of rubbish. In some cities the rubbish is collected and taken outside of the city to a dump . Often the city dump is placed where the ground is low or there is a big hole. The kitchen rubbish is broken into small pieces and sent into the sewage system. The _ system takes away the used water from toilets, bathtubs and other places. To keep mice and flies away, some earth is used to cover the newly dumped rubbish. Later, grass may be planted on the rubbish-filled land. Finally, a house or a school may be built there, and then you'd never know that this had once been an old rubbish dump. In other cities the rubbish is burnt in special places. The fire burns everything but the metal. Sometimes the metal can be used again in factories where things are made of metal. The food parts of rubbish are put in special piles where they slowly change into something called humus , which looks like black earth. It is rich with kinds of things that feed plants and help make them grow. Options: A By burning it off. B By putting it in water. C By throwing it away. D By reusing and recycling it. Answer: D By reusing and recycling it. Question:
A: How should we take care of a used metal box according to the passage?

Q: Write a multi-choice question for the following article, with the given choices and answer: Article: Did you hear of the supercomputer? Recently, China's Tianhe-1 was ranked as the world's fastest supercomputer, according to a new list of world's TOP 500 supercomputers. It took 200 Chinese scientists two years to build the fastest supercomputer. It can do 2,507 trillion calculations in a second! That means it will take a personal computer 600 years to finish the work that a supercomputer does in a day! The US now leads the world in the area of supercomputers. It is home to more than half of the world's top 500 supercomputers. Japan also has advanced technology. China is developing its supercomputer technology quickly. But experts say it will take years before China's total computing power can catch up with that of the US. Supercomputers can work on many different things. They can solve problems in areas like national defense , energy and science. In business, you can also use supercomputers. Oil companies use them to find oil and gas. Banks use them for quick trades. Food companies even use supercomputers to make sure that they put potato chips into cans without breaking them. To make a supercomputer, scientists first need to link thousands of small computers together. Then they use software to turn them into one supercomputer. In fact, any person with enough knowledge about computers can make a supercomputer. But you need the top technology to make a supercomputer run fast. Options: A was made in America B was made within two months C can do 2,507 trillion calculations in a minute D was made by 200 Chinese scientists Answer: D was made by 200 Chinese scientists Question:
A: The world's fastest supercomputer _ .

Q: Write a multi-choice question for the following article, with the given choices and answer: Article: Winter solstice, as the name shows, means the coming of winter. As an important solar term in the traditional Chinese calendar, it is also a traditional holiday for Chinese, which is also called "", "","", etc. Generally, winter solstice occurs between December 21st and 23rd. According to the traditional Chinese calendar, five days constitutes a pentad and three pentads constitutes a solar term. One year is divided into twelve periods and twelve climates which are regarded as twenty-four solar terms. The Winter Solstice is one of twenty-four solar terms. On this day, in the Northern Hemisphere the period of daytime is the shortest of the year and the period of night is longest. . In Northern China during winter solstice there is a custom of eating dumplings. Options: A mooncakes B dumplings C noodles D chicken Answer: B dumplings Question:
A: People often eat _ during winter solstice

Q: Write a multi-choice question for the following article, with the given choices and answer: Article: In every country, there are thousands of people who want to help out. Many join organizations run by their governments, for example, the Peace Corps in the United States and Voluntary Service Overseas in Britain. Since the powerful earthquake took place in Sichuan, more than 200 thousand volunteers across China have been helping there! They do all kinds of work or come up with ways to help improve life. Some offer their professional skills for free. Others have no qualifications , but they love to work hard to help. One of the most famous volunteers in the world was Mother Teresa. She could be the best volunteer because she gave her life to helping the poorest people of Calcutta. She helped the homeless, cared for the sick, gave out food, and became the mother of those without families. Now more and more teenagers actively look for volunteering opportunities, too. They volunteer because they think it will be fun or they will learn something. They also like the idea of being helpful to others, even if it is just handing out books for the teacher. As they get older, these reasons are still the same, but there are other important reasons for volunteering such as learning on-the-job, getting work experience, and improving their social life. All volunteers bring joy to the people they help in so many ways. They might read books to the blind, fix up broken homes, find ways to get water for villages. Could you be a volunteer? What kind of volunteer work could you do? There is someone in the world who needs you. Options: A the homeless B the sick C the poor D the kids Answer: D the kids Question:
A:
The word those in the passage means _ .