Long long ago, there was no paper in the world. People had to write characters(汉字) in bamboo slips or stones. Then there was a man named Cai Lun who was a Chinese man. He made people use all kinds of things to invent paper. From then on, people can use paper to write on. Paper is a great invention. We always remember the great inventor Cai Lun. Nowadays paper is very useful in our work, study and our life. It really means a lot to human beings.
根据短文内容，判断下列句子的正(A)与误(B)，并在答题卡的相应位置将其涂黑。
【小题1】Long long ago, there was paper in the world.
【小题2】Cai Lun was a Chinese man.
【小题3】Paper is a great invention.
【小题4】Nowadays paper isn’t very useful in our work, study and our life.
【小题5】It really means a lot to human beings.
Chopsticks are an important tool to have meals in China and also one important part of Chinese culture. They are also a symbol of family.
●When were chopsticks invented?
Chopsticks first appeared in ancient China. They were invented before Shang Dynasty. The earliest evidence were six chopsticks, made of bronze (青铜), 26cm (10 inches) long and 1.1 to 1.3(0.43 to 0.51 inches) wide, which were supposed to be used for cooking, serving or grasping bits of food, and not as eating tools.
●Who invented chopsticks?
It’s commonly known that the Chinese invented chopsticks as a set of instruments(工具) to be used when eating but the reason behind that is not commonly known. Actually, the Chinese were taught to use chopsticks long before spoons and forks were invented in Europe. There are many stories about the inventor of chopsticks. One says that Jiang Ziya, a wise man, created chopsticks. But no one knows for sure, we can only say that the inventor was a clever ancient Chinese.
●What shape are chopsticks
Chopsticks have the shape of being square above and circle below. Chinese believe that the earth is square and the sky is circle. So the shape of chopsticks shows the respect (尊敬) to nature. Chopsticks are smooth and usually made of bamboo, plastic, wood, or stainless steel (不锈钢).
●___☆_____
In fact, it’s not difficult to use chopsticks. You can hold the chopsticks between the thumb and the fingers. The key is to keep one chopstick in position and move the other to pick up food. Remember to practice patiently.
●Chopsticks manners
In China, it is polite to pick up food for the elderly. But it’s rude to point at others with your chopsticks. And never make your chopsticks stand straight in a rice bowl. Don’t use chopsticks to hit the side of your bowl.
【小题1】According to the passage, chopsticks were invented ________.| A．in Europe | B．in Han Dynasty | C．by ancient Chinese | D．by a wise king |
| A．earth and sky | B．nature | C．meals | D．instruments |
| A．How to use chopsticks? | B．Why do we use chopsticks? |
| C．What makes chopsticks popular? | D．What are chopsticks made of? |
| A．The stories of chopsticks. | B．The history and culture of chopsticks. |
| C．The manners of using chopsticks. | D．The importance of using chopsticks. |
| A. Chinese company produced a kind of endoscopic robot capsule（胶囊机器人). It can“walk” into stomach. And people will not feel painful. It can take many photos in one minute. Doctors can look at the photos through the computer. B. VR can create an experience sense, which includes sight, touch, hearing and smell. Users can directly have an effect on a 3D computer program. We can fly in universe and sing with Zhou Jielun using VR without leaving your home. C. A driverless car is a car which can run itself without a driver. People only tell the car where to go. It can send you to the place you want to go to. It is safe and convenient for us to drive. D. A talking pen is a popular kid’s learning tool. It’s very interesting. It can strongly attract the attention of children. You can learn through books directly as well as the pen pointing and reading. E. Golf is a waiter in a restaurant. But he isn’t a man. He is a robot. He can talk with people. He can send the food to people. He can show the way for them. F. 5G networks will allow more people to get information. It is said that the speed of 5G is 10 to 20 times faster than 4G. This means you can download a movie in seconds using 5G. G. A waterproof phone can be used even in the bathroom. It can be used after it is put in water for thirty minutes. So you need not worry about using it on rainy days or when you are swimming. |
Today, AI robots play an important role in people’s daily lives. These robots work in many areas to help people.
I’m a teaching robot. My job is to spend time with children and teach them. I look like a human being because I want to get close to children. I can sing and dance. I can also know the needs of children by hearing their words and teach them knowledge on different subjects. |
I’m a medical robot. People often use me in the operating room (手术室). I can move to some hard-to-get-to places in the human body. I can help doctors work better during operations. |
I’m a security (安全) robot. I can recognize strangers and then call the police when strangers break into a house. I always keep my eyes on smoke in the house and can let people know if there is a fire. If the house catches fire, I can also help people put it out. |
【小题1】Where is a teaching robot probably used?
| A．In a supermarket. | B．In a store. |
| C．In a school or home. | D．In a hospital. |
| A．It can sing and dance. | B．It can call the police. |
| C．It can help doctors do operations. | D．It can teach knowledge. |
| A．By fighting against strangers. | B．By catching a fire. |
| C．By welcoming guests. | D．By helping put out the fire. |
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