Q: You should eat well, get lots of exercise if you want to be a healthy kid. If you're healthy, you can study well and can do all the things you want to do, like running around with your friends. If you're a kid who wants to be healthy, here are some rules for you. Eat different kinds of foods If you eat different kinds of foods, you can get the nutrients your body needs. Eat at least five servings of fruits and vegetables a day. Drink milk often Water is the best drink when you're thirsty. But kids need calcium to grow, and there is enough calcium in the milk. If you are younger than 9 years old, drink 2 cups of milk a day. Children who are over nine years old should drink 3 cups of milk per day. Limit screen time The more time you spend on the sitting-down activities, like basketball, bike riding, swimming and so on. Try to spend no more than 2 hours a day on the screen. Be active For a kid, you should know which activity you like best. Not everyone loves baseball or soccer. Ask your parents to help you do your favorite activities regularly. Find ways to be active every day. Kids eat different kinds of foods to _ . A) be thinner B) get the nutrients their body needs C) try something different D) make themselves enjoy foods
A: B

Q: Li Shizhen was born in 1518. When he grew up, he liked his father's job and he was interested in medicine. He read many books about medicine and found something wrong in them. So he decided to write a new one. He tried his best to study medicine. He set out many times on long trips to collect herbs and talked with old farmers. In this way, he learned a lot from the working people. After many years of hard work and study, Li Shizhen at last finished his great work, the Ben Cao Gang Mu in 1578. The book was one of the most important books in the medical science of the world. "his great work" means his _ Ben Cao Gang Mu. A) work B) book C) study D) trip
A: B

Q: We are all busy talking about and using the Internet. But how many of us know the history of the Internet? Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computer networks didn't work well. If one computer in the network broke down, then the whole network stopped. So a new network system had to be set up. It should be good enough to be used by many different computers. If part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time . At first the Internet was only used by the government , but in the early 1970s; universities, hospitals and banks were allowed to use it, too. However, computers were still very expensive and yet Internet was difficult to use. By the start of the 1990s, computers became cheaper and easier to use. Scientists had also developed software that made "surfing" the Internet easier. Today it is easy to get online and it is said that millions of people use the Internet every day. Sending e-mail is more and more popular among young people. The Internet has become one of the most important parts of people s life. How long has the Internet been used? A) For about 10 years. B) For about 20 years. C) For about 50 years. D) For about 60 years.
A: C

Q: House of noodles We have three size bowls of noodles, small, medium and large. A small bowl of mutton and carrot noodles is RMB 5. A medium bowl of beef and potato noodles is RMB 7. A large bowl of chicken and cabbage noodles is RMB 8. Welcome to our house. Lunch special We have some great specials. The cabbage, tomatoes and rice lunch special is RMB 3. The beef, carrots and rice lunch special is RMB 5. The dumplings and soup lunch special is RMB 8. Time: 11:00a.m---2:00p.m Dessert house What kind of dessert would you like? We have two new specials: (1) Apple, strawberry and ice cream. (2) Banana, orange and ice cream. And what size of dessert would you like? Small, medium or large? And we also have juice and tea. If you have only RMB 3, you can buy _ at lunch time. A) rice, cabbage and tomatoes B) beef, carrots and rice C) dumplings and soup D) dumplings and tomatoes
A: A