【推荐1】Have you ever counted the number of digits(数字) in your mobile phone number? It has 11 digits. You may sometimes find it hard to remember your number. That’s because China has the longest mobile phone numbers in the world. Why is that?

There are three parts in the phone number. Each part has a different meaning. The first three numbers tell you which mobile phone service provider(提供者) you are using. For example, 135 is for China Mobile Communications Corporation and 188 is for China Unicom. The fourth to the seventh digits tell you where the number is registered(注册). And the last four digits are random(随机的).

The main reason for using 11 digits is that we have the largest population in the world. We once had 10 numbers. But as our population grew, there were not enough numbers for us to use. So we began to use 11 digits starting from 1999. Eleven digits can be used to make tens of billions of mobile phone numbers. That’s enough for each person to have seven or eight phone numbers to use in China.

Not only China, but also Britain and Japan use 11-digit mobile phone numbers. But their numbers always start with 0. So they can’t have as many numbers as we can. Countries like the USA, Australia and India use phone numbers with 10 digits. Canada’s phone numbers are perhaps the shortest in the world: they use seven digits.

根据短文内容回答问题。
1. Is China the only country that uses 11-digit mobile phone numbers in the world?
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2. What can you know from the first three digits of a mobile phone number in China?
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3. Why does China use 11 digits for mobile phone numbers?
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4. When did we begin to use 11 digits in China?
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5. Which country perhaps has the shortest mobile phone numbers in the world?
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【推荐2】Chinese is a beautiful but complex (复杂的) language, with tens of thousands of characters. When you come across a Chinese character that you don’t know, what do you do? You might look it up in a dictionary and find its pinyin. Pinyin, a system that uses the Latin alphabet (拉丁字母), tells us how to read Chinese characters.

In 1958, Chinese linguist (语言学家) Zhou Youguang and his team designed pinyin. They created the system to help illiterate (不识字的) Chinese people learn how to read. This idea worked out quite well. The illiteracy rate (比率) in China dropped from 80 percent in the 1950s to 52 percent in 1964. In 2018, it’s only 4.08 percent, Guangming Daily reported.

Pinyin has been useful in other ways, too. It helps to promote (推广) the use of Mandarin (普通话), so that people who speak different dialects (方言) can still understand each other.

Pinyin is also finding its place in other languages. The Oxford English Dictionary now includes more than 100 pinyin entries (词条), such as jiaozi for “dumplings” and zhongguomeng for “Chinese dream”.

Foreign media sometimes use pinyinin reports about China. As Guangming Daily noted, pinyin is both a language tool and a cultural bridge that connects China to the world.

1. Chinese has tens of thousands of ________. If we don’t know a Chinese character, we can ________ in a dictionary.
2. Pinyin ________ by Zhou Youguang and his team in 1958. It is a system that uses the Latin alphabet to help people learn how to ________ Chinese characters.
3. Pinyin helps ________ the illiteracy rate in China, which dropped from ________ in the 1950s to 4.08 percent in 2018.
4. With the help of pinyin, Mandarin is used ________, so people from different areas can understand each other. Moreover, more than 100 ________ are now included in the Oxford English Dictionary.
5. From the passage, we know pinyin is not only ________ but also a bridge that spreads Chinese ________ to the world.

【推荐3】Do you know some animals can talk? Yes, dolphins (海豚) can talk. They talk with sound (声音). Dolphins travel in a group (群). We call a group of fish “school”. In the special school, dolphins travel in the water. Dolphins are mammals (哺乳动物), not fish, but they swim under the water.

Dolphins talk in the school. They talk when they are happy or sad. They say “welcome” when a dolphin comes back to the school. They talk when they play. Some people catch dolphins for the Ocean (海洋) Parks. And people go to watch the dolphin show. But dolphins don’t like to be away from their school. In the Ocean Parks, they feel unhappy.

Dolphins and people are good friends. There are many stories about them. They often help people. Sometimes they save people. We hope dolphins can live in their school.

1. Can dolphins talk? （不超过5个词回答）
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2. How do dolphins in the Ocean (海洋) Parks feel? （不超过5个词回答）
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3. Do dolphins often help people? （不超过5个词回答）
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【推荐1】造纸术是中国的四大发明之一,它在三世纪传入西方国家，现在被广泛应用于我们生活中的各个领域。纸的发明为人类交流开创了一个新的途径。请你帮忙完成这张介绍卡片。每空一词。

The Invention of Paper

Paper-making is one of the Four Great Inventions in China, Cai Lun of the East Han Dynasty succeeded in producing paper about 2,000 years    1    .It was introduced to the West in the     2    century. Paper is one of the most wonderful products invented    3    man. The invention of paper meant that more people could be educated because more books could be printed. Paper provided a new way to     4    with people. Now, paper is    5     used in our lives.

【推荐2】You will see a new doctor at a hospital near London if you go there. He’s very clever, but he never speaks and has not been to a medical school. He can work 24 hours and never gets tired. He’s one meter tall and has a face like a TV screen. He’s Dr Robot.

Doctors often need to ask their patients many questions. Busy doctors usually ask each patient a few questions. But Dr Robot can ask a patient questions for an hour if it is necessary. With the help of Dr Robot, a human doctor can have a lot of information when he meets his patient. How can Dr Robot do this? A computer “tells” him what to do. Dr Robot can do lots of things people can do, though he cannot completely take the place of the human doctors.

1. In which country does Dr. Robot work? (不超过5个词)
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2. What does Dr. Robot look like? (不超过15个词)
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3. Why can Dr Robot ask a patient many questions? (不超过10个词)
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【推荐3】阅读下面的短文，根据短文内容回答问题。

Yang Jun’ao, a 16-year-old student from No. 1 Middle School in Nanxian County, Hunan province, invented a “lotus root harvesting robot (采藕机器人)”.

“I got the idea when I saw my grandmother, in her 70s, working hard to harvest lotus roots under the hot sun,” Yang said. Sometimes, his grandmother would badly hurt her fingers using her harvesting tools.

To make things easier for his grandmother, Yang thought of creating a machine that could harvest lotus roots. With guidance from his teacher Hong Wei, Yang spent nearly a year building a model of the machine.

The robot moves on its own through the muddy field. It uses image recognition (识别) to find mature (成熟的) roots by looking at the color of the lotus leaves. The robot’s arm then cuts the mature lotus roots without damaging them.

During the invention process, Yang faced challenges like collecting parts for the model, putting them together and using a hot glue gun for bonding. “The first time I used a hot glue gun, my hands were shaking,” Yang laughed. At first, he planned to use rotating blades (旋转叶片) for harvesting lotus roots, but it was hard to find them, so he used more common blades instead .

When Yang showed the machine to his grandmother, she was happy and gave helpful suggestions for improvement. She suggested using the audio player to show the machine’s location in thick lotus leaves. “My grandmother’s suggestion reminded me that any technological invention must be practical to have true value,” said Yang.

Although Yang still needs to make improvements, like finding cheaper ways to make the machines, his teacher Hong spoke highly of Yang’s creative thinking and working on helping his hometown.

1. What does Yang Jun’ao do?
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2. Why did Yang want to create such a machine?
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3. Was his grandmother happy when he showed the machine to her?
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4. What did he understand from his grandmother’s suggestion?
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5. What do you think of Yang Jun’ao?
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【推荐2】阅读下面的短文，根据要求完成文后各小题。

Everybody can suffer from stress（压力）. No matter what your age is, you can feel stressed out by things that are happening in your life. Teenagers, however, have many more chances to get stressed than people in any other age group.

       Being a teenager is hard. You are not a child any more, but you are not an adult, even though you have to deal with some grown-up problems and decisions.
       Families can be one of the biggest causes（原因）of stress, such as problems with parents arguing（争吵）at home, or problems with brothers and sisters.
       Teenagers also have a lot of stress from school, either from their teachers or from their friends. Some teenagers also feel stressed about choosing their education after high school. Getting a place at university can be very difficult and some cannot afford to go to university.
       The stress about getting a job when finishing school is another cause of stress for some teenagers because there are so many young people finishing school and not enough jobs for them.
       Sadly, there is nothing we can do to remove these causes of stress from the lives of teenagers, but you can learn the best way to deal with it. Talking to people is one of the best ways to deal with stress. It may sound simple, but it is true. A problem shared（分担）is a problem halved（减半）.
1. How many causes of stress are mentioned in the passage?
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2. What problems can be caused by families?
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3. Why do teenagers have difficulty getting a job when finishing school?
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4. What is the best way to deal with stress?
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5. What is this passage mainly about?
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【推荐3】Five years is a short time in the long history of China. But as for the digital world, there are a lot of changes.

Now we can talk easily with friends on WeChat. When shopping, we needn’t carry much cash because most of the stores accept WeChat Pay and Alipay. And online shopping becomes a part of our life. For example, we can buy train and plane tickets on different apps in a min nute all we want to go somewhere, it is easy to find a Mobike as well as a shared car on the street.

We may not realize how these changes decide our life, but we never stopped and will not stop moving forward. China decided to set up the Xiongan New Area in Hebei Province on April1st, 2017. It will be a smart city in China in the future. What’s more, robots will play an important role in loeking after the old people in five years. In an old people’s home of Hangzhou, the robots called Ah Tie work quite well.

After 3G and 4G.5G is on the way. 5G Internet will give us a faster online experience. 5G will help us build the Internet of Things（IoT物联网）. IoT refers to（涉及）everyday devices（设备）being connected to the Internet. People can control their devices remotely（远程地）. For example, on a hot summer day, you could remotely turn on your air conditioning before you go home. These tasks require very fast Internet speeds and 5G is the key.

Thanks to the developing digital world, our life is becoming better and better.

Answer the questions according to the passage
1. What does the underlined word “cash” mean in Chinese?
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2. What will the Xiongan New Area be in the future?
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3. What are the robots Ah Tie used for?
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4. What does the Internet of Things(IoT) refer to?
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5. What makes it possible to build IoT?
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