1 . The smartphone company Xiaomi Technology was set up in Beijing in 2010. Now it has become one of China’s leading mobile phone companies. Some people would like to buy its main product Mi phones.

The man behind this craze is Lei Jun. He is the cofounder and CEO of Xiaomi.

Lei was born in Xiantao, Hubei, in 1969.

At the age of 18, he entered Wuhan University to study computer science. A book that he read there changed his life. It was Fire in the valley, which tells the story of the cofounder of Apple, Steve Jobs. Encouraged by the book, 21-year-old Lei set up his first company. But it soon failed because he lacked（缺乏）a long-term plan.

After graduation（毕业）, Lei joined Kingsoft, a software company. In 16 years, he became one of the top IT company leaders. But that’s not the only thing he wanted. “I had my dream not realized and it was calling me every night,” said Lei. At the age of 38, he left Kingsoft and started his own company.

Lei is a big fan of the iPhone. But instead of（而不是）creating a copy of it, he kept thinking about how to make it better.

At the age of 41, he cofounded Xiaomi. Now, there are more than 14 million Mi phone users. Lei helped make online shopping popular in China.

It was reported about ten years ago that mobile phones would be the cigarettes of the     1     (twenty-one) century. That is TRUE! It     2     (seem) that the use of mobile phones for some people is almost as addictive(上瘾的)     3     cigarettes. Many users keep them     4     (work) for hours a day. Many. people use them not only     5     (talk) with people, send and receive messages, but also to play games, take photos or even get on the Internet to read news. They say they can’t live     6     them. But this is not a small thing. In fact too much use of mobile phones may cause     7     (ill), and many people have got headache by u    8     mobile phones too much. Now in other     9     (country), mobile phones carry a health warning on the back just like w    10     cigarettes packets do.

How is everything _________ in Shanghai? I'm _________ home. Now I'm writing the _________ to you.

_____ a fine day today. I want to _________ outside, but I have a cold. Mom _________ let me go out. Aunt Lisa knows I don't feel well, _________ she comes to see me. And she _________ me a beautiful T-shirt. I love it. Now she is _________ tea with Mom. I don’t know why they love tea. It tastes __________. Dad is busy these days. Today is Saturday, but he __________ needs to go to work. He says he'd love to take me to go to the movies when I'm __________. I __________ to get well soon.

I __________ you. I want __________ in Shanghai with you now. What are you doing these days? Tell me, please.

Love

Steve

When people talk to friends online, they may use emojis(表情符号) or memes(表情包) more often than words to show their feelings. Memes are more complex(复杂的) than emojis. They have words on images(图像).

Why do people like using them so much? I think there are a few reasons. With emojis and memes, we are able to show our feelings without typing(打字). It makes us chat more easily. If I want to say “I love you”, I can just send someone a “heart” emoji. Or I can send an “angry face” emoji to say “I'm very upset right now!”

Sometimes it is difficult to show feelings with words, so we can use emojis and memes to help us. For example, when you want to celebrate a victory(胜利), you can use the Success Kid meme. It's a picture of a boy with a clenched fist(紧握的拳头) and a determined(坚定的) face. It's easy to use a picture to show a thought or feeling that everyone knows.

People use these things for different reasons.

Emojis and memes are quick and easy, and almost every phone or messaging app has them.

6 . Look at the chart below. These are the messages Jack got yesterday.

What are you going to do on Saturday afternoon? There is a football match between Hengda and Guoan. I am going to watch my favourite team play and cheer the players. I can't wait. Would you like to come?

Yours,

David

I look forward to taking part in the CCTV programme The Reader. Tomorrow my dream will come true. I am going to read one letter of Fu Lei's Family Letters. I think the book is full of the profound(深切的) fatherly love and it still influences the young people.

I'd like you to go with me. I believe it's going to be a fantastic time!

Li Hua

Thanks for your birthday party invitation. But this Saturday our class are going to the nursing home. We plan to do some meaningful things for the elderly. We are going to do some cleaning, chat with them and perform a programme. I think my weekend will be busy but interesting. 

Yours,

Jane

During my summer vacation, I will do lots of things. First, it's a good time to relax. I will spend some time travelling, visiting some places of interest and meeting some friends. Then, I will go to see my grandparents and do some housework for them. Last, maybe I will work as a volunteer to help the poor children in my home town.

What's your plan for the summer vacation? I'm looking forward to your reply.

Yours,

Lin Tao

In recent years, with the development of technology, many popular apps have been produced. These days, an app has caught great attention. It is Douyin, a video sharing app. Douyin first     1     in 2016. Now it is many people's favorite app, especially the young.

With Douyin, users can record videos, edit them and     2     them online. It is very easy and interesting. We can share our videos with our friends with just a tap on the mobile phone screen. What's more, it's a great way     3     our free time by looking through those funny videos.

However, every coin     4     two sides. The app also has bad things. Some people spend long hours on the app, which is harmful to their health. Users can also find some bad things on the app. Such thing is unsuitable and meaningless.

In my opinion, if Douyin checks the videos before they are uploaded, the environment for the users     5     healthier.