China is a nation of etiquette（礼仪）. Chinese people are among the most hospitable people in the world. If foreigners visit Chinese families, they would be ______ at the warmth that they would receive as guests.

When you visit a Chinese family, the host ______ often make tea for you. Then he will serve you some snacks like biscuits or candies. Someone in ______ family will also have a talk with you. They will never make you feel lonely.

At the same time, the other family members will prepare a big meal for you. It is a tradition for ______ guests. They always prepare more food than the guest could eat. On the table, the Chinese host will keep ______ food for guests. Perhaps this surprises a western guest most ______ it won’t happen at western tables. If you finish eating, the host usually says, “It seems that you ______ much food. Please have more.” Although you have told them you are full, they still want you to eat more. They just try ______ best to make you feel at home.

Chinese ______ the etiquette for a long history. As Confucius said thousands of years ago, “ ______ great joy it is to have friends coming from afar!

I hardly did any housework before. I would never ______ I was quite helpful around the house until my mum got ill. Last month, she went to hospital. The ______ said she needed to stay in bed.

My dad ______ in a restaurant and returned home late. He didn’t have time to do housework. I needed to ______ myself the whole week. I had to make dinner by myself. It was always quick when my mum did it, but for me, it took a long time. After dinner, I washed the dishes. Then I ______ the rubbish. It took me much time to finish all of these things. I didn’t even start to do my homework until late in the evening. By the weekend, I felt really ______. I needed to have a rest. But in the end, I was able to do everything ______ .

This time, I realize that doing housework is good for my development. And it also makes my parents ______ me. What’s more, doing housework gives me a sense of responsibility（责任）. As one of the family members, I should do something for our ______. My mum gets better this week, and I’ll ______ forget how much work she has done for our family.

The first robots were invented in the 1920s. Robots have appeared in many American films. In some films, they are stronger, faster and cleverer than people. In real life, robots are mainly used in factories. They do some dangerous and difficult jobs for humans. Robots also help disabled people, for example, blind people. Today many blind people have guide dogs to help them. In the future, guide dogs might be robot dogs.

One kind of robot guide dog has wheels. It moves in front of the owner. It is very clever. It knows the speed of its owner’s walk. The owner wears a special belt(带子). This belt sends instructions to the owner from the dog, such as “stop here”, “turn left” or “turn right”.

In the United States, another kind of robot helps disabled people to take care of themselves in their daily lives. The robot hears the sound of its owner’s voice. It follows instructions such as “turn the page” or “make a cup of coffee”.

Robots are also used in American hospitals. They can do simple jobs. At one hospital, for example, a robot takes meals from the kitchen to patients’ rooms. It never gets lost because this robot has a map of the hospital in its computer memory.

Though robots can help people in many different ways, they will never take the place of humans.