Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: With the development of science and technology, our dailylife is becoming more colorful and more convenient. An Underwater Hotel It looks like a spaceship but it is actually a picture of an underwater hotel. A company plans to build the hotel in the sea which is about 15metres below the surface .The whole building is underwater and you can get to it by swimming and diving. Google Glass Google Glass is a pair of glasses with a battery hidden inside the frame . It can perform many of the same tasks as smart phones. The glass has hidden camera and a tiny screen. It is designed to take hands-free photos or videos of anything people are doing. A New Kind of shirt Hate washing clothes? You're going to love this kind of shirt made by an American clothing company, Wool Prince. This shirt can be worn for 100 straight days without washing! The Wool Prince shirt never needs ironing . The Digital  Library Can you imagine walking into a library and finding all books have turned into companies? The first bookless public library is planned to open in San Antonio, Texas, America. Computers will take the place of books soon. Options: A books B computers C bookshelves D reader Answer: A books Question:
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The answer is:
The digital Library tells us something about a library without   _  .


Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: An unpunctual man never does what he has to do at the right time. He is always in a hurry and in the end loses both time and his good name. A lost thing may be found again, but lost time can never be got back. Time is more useful than material things. In fact, time is life itself. An unpunctual man is always wasting his most important things as well as others'. An unpunctual person is always saying unhappily that he finds no time to answer letters or return calls. But the man who really has much to do is very careful of his time. He knows that he can not finish all his work unless he carefully does every piece of work. Being unpunctual is the sign of disrespect ( _ ) towards others. If a person is invited to dinner and arrives later than the time when he should be there, he keeps all the other guests   waiting for him. Usually this will be thought as a great disrespect to the host and all the other guests. Not like a punctual person, an unpunctual one can't do his duty wonderfully, whether it is public or personal. Imagine how it would be if those who should do important tasks failed to be on time. A man who is known to be often unpunctual is never believed by his friends or fellow men. Options: A in a hurry B after the host C at the decided time D before other guests Answer: C at the decided time Question:
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The answer is:
When you are invited to dinner, you'd better arrive there  _  .


Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Rivers are one of our most important natural resources . Many of the world's great cities are located on rivers, and almost every country has at least one river running through it that plays an important part in the lives of its people. Since the beginning of history, people have used rivers for transportation. The longest one in the United States is the Mississippi. The lifeline of Egypt is the Nile. To the people of India, the Ganges is great, but it is also important for transportation; ships can travel along it for a thousand miles. Other great rivers are the Congo in Africa and the Mekong in southeastern Asia. The greatest of all for navigation , however, is the Amazon in Brazil . It is so wide and so deep that large ships can go about two thousand miles up it. Besides transportation, rivers give food to eat, water to drink, water for crops, and chances for fun. In order to increase the supply  of water for crops, engineers sometimes build a dam  across a river and let a lake form behind the dam. Then people can use the water not only to irrigate  their fields but also to make electricity for their homes and industries. However, large cities and industries that are located on rivers often cause problems. As the cities grow in size and industries increase in number, the water in the rivers becomes polluted with chemicals and other materials. People are learning the importance, however, of doing more to keep their rivers clean if they want to enjoy the benefits of these natural resources. Options: A keeping the rivers clean B making electricity C washing clothes D irrigation and the production of electricity Answer: D irrigation and the production of electricity Question:
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The answer is:

When rivers are dammed, people use the water for   _  .