Now many people like to keep dogs as their pets. But how did dogs become humans' close friends?

    In some places of Europe (欧洲), about 10,000 years ago, some wild (野生的) dogs often came to human's houses to find food. The wild dogs looked different from the ones today. They looked like wolves (狼). At first, they felt ① frightened. They always stood and looked for a short time. Then they got the food and ran away. Sometimes the young dogs couldn't run fast and people caught them. People trained them and the young dogs grew up with the help of people. Slowly, the wild dogs became home dogs. They could make home safe when people were away. They helped people hunt (狩猎). They helped people keep warm on cold nights. ② Sometimes, they could smell and hear danger before people could. In some cold places, they helped people pull (拉) things people need.

    Now there are more than 400 different kinds of dogs in the world. And they look different from each other. The number and kind are growing all the time. Today, some people mainly (主要地) regard dogs as pets. In fact, dogs are really our close friends. We should protect them from being killed.

    Boys and girls, do you like shopping? When and where do you like to shop? Let's meet Millie, Kitty and Amy together and listen to their ideas.

    My name is Millie. I'm 25 years old. I'm a volleyball player. I like shopping very much, but shopping with my husband (丈夫) is not fun. When I'm free, I go shopping with my friends. I like to shop in some big shopping malls. I think they look very modern, and there are many kinds of wonderful things in them.

    I'm Kitty. I'm 20 years old. I'm an actress(演员). Because of my job, I often go shopping to buy some nice clothes. I never go shopping at the weekend because there are always too many people in shopping malls. I like shopping in some shops. There are many different styles of clothes in them.

    My name is Amy. I'm 14. I'm a middle school student. I seldom go to shopping malls because I have much homework to do every day. And I dislike to wait for a long time to pay the money. If I need something, my mother buys it for me. So I have more time to study. But I like shopping online. It's easy and interesting. Sometimes I buy some books online.

    It is said that more than four million people die each year from smoking. That number is frightening.

    Yet people around the world continue to smoke. In the United States, about forty-seven-million adults smoke. This year, more than 430,000 Americans died of diseases which have something to do with smoking. The American Cancer Society(美国癌症协会)says smoking harms the body greatly. It warns that smoking even a number of cigarettes is dangerous.

A: Do you know what shopping online is?

B: Yes. I buy a lot of things on the Internet.

A: Really? Could you tell me some advantages of it?

B: Of course. First, it is very convenient. You can buy anything you want, and they will send it to your home.

A: Wow, that is great.

B: Yes. What's more, it is much cheaper than the products in a big supermarket.

A: Ah, that is quite a smart way of shopping. What is its disadvantages do you think?

B: Well, the biggest one is that you cannot see the true products. You can only look at the pictures and some introductions(介绍). You cannot try them on if you buy some clothes or shoes. Sometimes you may get the one not fit(适合)you on the Internet.

A: I agree with you. How to deal with(处理)this?

B: You can return(返回)the products if you are not satisfied now. I think shopping online is more and more popular. It will be more and more important in our life.

A: Thanks a lot for your introduction. It helps a lot!

B: You are welcome.

    If you want to have a wonderful holiday, you can visit Kingston. It's a famous Canadian city on the bank of Lake Ontario. It is about three hours' trip by bus from Kingston to Toronto. There are some famous universities in Kingston. About 25,000 students study in these universities. Queen's University, founded in 1841, is the most famous universities in Kingston. Kingston is one of the friendliest cities in the world and it welcomes tourists from all over the world. Wherever tourists go in this city, they will see a warm smile on the street or hear a happy "hello" in a public park. It's easy for them to feel at home.

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