The summer holiday is coming. Try to take some time off from school and have fun. Here are some ideas for planning your summer holiday.

    First of all, joining a club is a good idea! You can join a music club, a sports club or an art club, it's good for your future and the teachers in the club can give you some good advice (建议). You can also make some new friends.

    Doing something good for society (社会) is also great. There are many volunteer programs(志愿者项目) for you to choose, such as looking after the____①___or the young, cleaning the streets, planting trees or keeping the traffic(交通) in order. You know that students can also make the world better.

    Did you ever live with another family? You can join in a program___②____"Meeting a New Family" .Two families exchange their children for some time so that they can learn how to get on well with others.

Summer camps are still popular today. An English summer camp can be a good one. You can not only make friends but also learn English.

    Today,roller skating (滑旱冰)is easy and fun. But many years ago, it wasn't easy at all. Before 1743, peoplenever tried skating on wheels. That changed because of a man named John JosephMerlin. Merlin's work was making instruments. In his free time he liked to playthe violin. Merlin was a man with many ideas and many dreams. People called hima dreamer.

    One dayMerlin received an invitation to go to an important party. He was very pleasedand a little excited. As the day of the party came near, Merlin began to think.He wanted to find a way to make a wonderful entrance at the party. Merlin hadan idea. He thought that he would attract a lot of attention if he could skateinto the room.

    Merlintried different ways to make himself roll. Finally, he decided to put twowheels under each shoe. These were the first roller skate shoes. Merlin wasvery proud of them. He dreamed of arriving at the party and skating into theroom while playing the violin. He was sure that everyone would be verysurprised.

    On thenight of the party Merlin rolled into the room, playing his violin. Everyonewas really surprised to see him. There was just one problem. Merlin had no wayto stop his roller skating. He rolled on, playing the violin. Then, with alleyes on him, Merlin hit into a huge mirror on the wall. The mirror broke intomany pieces with a very loud noise. But nobody forgot Merlin's wonderfulentrance after that.

Nowadays, protecting our environment has become an important topic for us. All of us live in one world. We are making waste every minute. When we finish reading a newspaper, the paper will become waste. When TV sets or computers are broken, they will become waste, too. Among all the waste we make, plastic(塑料的) bags and rubber（橡胶） stand out and catch people's attention. 

Plastic bags are often used in our everyday life. The number of used plastic bags is going up day by day. We like to use them because they are convenient (便利的). When we get home, we throw the plastic bags away as waste. These are called "white pollution" as most plastics are white. Rubber  is also common (常见的) in our daily life. Many things we use are made of rubber, just like the bottom part of our shoes. However, it also brings us some trouble. The rubber waste pollutes the environment very badly because it can't break down easily in nature - it will not change for a long time.

To solve the problems above, we should take action at once. For example, when we go shopping, we can bring cloth bags but not plastic ones. And we should do something to recycle (循环使用) rubber. Our small actions can make a difference and lead to a better future.

Have you ever imagined how people eat in space? It's not easy. In a word, it is different from that on Earth. The food that astronauts carry with them doesn't look like the food you eat.

Some food is carried in closed bags. It is cooked and frozen before the astronauts get it. All the water is removed （去掉）from the food. In the space capsule （太空舱）, the astronaut puts the water back. He "shoots" hot or cold water into the food bag with a special gun （枪）. He eats the food through a small hole in the bag.

Other foods come in bite-size （一口大小的）. The astronaut puts a whole piece in his mouth each time. There can't be crumbs（食物碎屑）. Crumbs would float around the capsule and get in the way. Meat, cakes and cereal（麦片）often come in bite-size pieces.

Astronauts can't drink water from open cups. The water would float in drops in the air. The water is put in the special gun. The astronaut shoots the water into his month.

Do you think it difficult to eat in space? Astronauts must learn to eat this way.

 When we think of paper, we think of newspapers and books. But there are many other uses. Only half of the world's paper is used for books and newspapers.

 Paper is very good for keeping you warm. You have perhaps seen homeless men sleep on large number of newspapers. In Finland, it is sometimes -40℃ in winter. The farmers wear paper boots(靴子) in the snow. Nothing could be warmer.

 Each year, more and more things are made of paper. We have had paper cups and plates for a long time. But now we hear that chairs, tables, and even beds can be made of paper. Besides paper boots and shoes, you can wear paper hats, paper dresses, and paper raincoats. When you have use them once, you may throw them away and buy new ones.

 The latest use of paper seems to be paper houses. These are not small houses for children to play in, but real, big houses for people to live in. You can buy a house with three rooms for about 500 dollars. You can put it up by yourself in a few hours, and you can use it for about five years.

Hi! Do you know who I am? Well, my name is Lost and Found. I am a box. Now I am in Classroom 2E, No.1 Middle School. You can see a pen, a watch and a notebook in me.