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. Question: Among the world's top 500 supercomputers, _ of them are made in the US. Yes or no, is the answer "more than 50%"?
No

Article: I want to tell you some things about Tom's weekend. He is my good friend. At the weekend, Tom usually gets up late. He has breakfast. Then he reads an English book and listens to the radio for about one hour. After that he starts to do his homework. At about 11:30, he often cooks lunch for his family. In the afternoon, he usually plays volleyball with his friends. Sometimes he goes to the library in the afternoon. He loves his weekend very much. Question: Tom _ in the afternoon at the weekend. Yes or no, is the answer "plays volleyball or goes to the library"?
No

Q: Article: A predator kills and eats other animals as prey .Sometimes it also becomes food for other predators. Polar bears are the largest of all the land predators. They can run across snow and swim in icy water for hours without rest. Their favorite food is seal. Not all big animals live on small animals. Hippos have heavy bodies and huge mouths. But they don't eat animals. They just eat grass. Some predators use speed to catch their prey. Cheetahs are the fastest animals on land. They can run up to 70km an hour. Other predators use their senses to find their food. Sharks can see, smell, hear, feel and taste. They can also sense electrical currents( )from other animals' bodies. Some fish try to hide themselves, but with this sixth sense, sharks can always find them. Sharks have smooth bodies. This helps them swim without using lots of energy. They need to save their energy because they never really sleep and never stop hunting. Flying is a useful skill for many predators in the sky. The butcher bird is the most interesting predator. It has a special way of eating its prey. First it kills its prey. Then it hangs it on a fence or in a tree, just like a butcher hangs meat in his shop. Finally, it eats its prey. Some people hunt and kill more animals than any other predator. They not only hunt for food. They also hunt for fun. They kill sharks for their fins, and tigers for skins. Those human hunters are the worst predators on Earth. Question: Some people are also predators, they hunt and kill more animals for _ . Yes or no, is the answer "food and fun"?
A: No

Question: Article: The Aztec population was divided into four main classes.Nobles were the highest and most powerful class.They included the emperor and his extended family, as well as governors in charge of local areas, and members of the government.The nobles owned most of the land.Commoners made up most of the population.They ran small family farms or did ordinary jobs in the towns and cities.Serfs worked on the land owned by the nobles.They were given food and shelter, but weren't paid.Slaves were either prisoners of war or criminals who could be bought and sold. Many Aztec people lived in rural villages, working the land.However, many more lived in large towns and cities.Tenochtitian, the Aztec capital and home to the emperor, became one of the largest cities in the world.Its construction began in 1325 AD, and it's believed that by 1500 AD more than 200,000 people lived there. As with all Aztec towns and cities, there was a central area for temples and other special places in Tenochtitian.People could gather there to worship the Aztec gods. Question: The title of the article is _ . Yes or no, is the answer "Aztec Society"?
Answer: No

*Question*
Article: Tom likes chocolates very much,but his mother doesn't give him chocolates , because they're bad for his teeth,she thinks. But Tom has a very nice grandfather. The old man loves his grandson very much and sometimes he buys Tom some chocolates. Then his mother lets him eat them,because she wants to make the old man happy. On Sunday evening,it is Tom's birthday. He says,"Please,God ,let them give me a big box of chocolates for my birthday."His mother says,"God can't hear you. Don't shout.""I know,"says the clever boy with a smile."But Grandfather is in the next room,and he can." Question: What day is Tom's birthday? Yes or no, is the answer "Sunday."?
**Answer**
No

Article: Mom and dad are the most important people in your life. They have been looking after you since you were born, so you should always love them. You should also get on well with them. But some children don't know how to do this. Here are some ways to help you. Spend more time with your parents. Don't spend too much time playing computer games or watching TV. Ask your parents to play with you. Talk or go outside with them. Be kind to your parents. You can make them happy with a smile when you come home. You can send your mother a card on Mothers' Day or tell your father a joke on his birthday. You can also clean your room by yourself. Work hard. If you do your best in your studies, your parents will be proud of you. Question: What can you do on your father's birthday according to the writer? Yes or no, is the answer "Tell your father a joke."?
Yes