Many kids want to help keep the environment clean but don't know where to start. 1 , even the simplest everyday activities can make a real difference to the environment. Here is how:

 Don't litter. Litter can  2our water and that could do harm to us and to wildlife.

 Recycle bottles, paper and plastic. This is a good3to develop and can really make a difference.

4 turn off lights and electronic devices（设备）when they are not being used.

 Use your 5or walk to nearby locations rather than riding in a car. Encourage your friends and family to 6the same.

Don't throw your old clothes or toys away. Give 7 to a local charity（慈善组织）or a friend that may need them.

8 wasting plastic bags by bringing your own reusable cloth bags to stores.

 If you see litter,  9  .

By following these tips and using them in your everyday life, you will make the world a 10 place. It's never too late to start, and what better time is there than right now?

    A thousand years ago, Hong Kong was covered by a  1 forest. As more and more people came to live in Hong Kong, these trees were 2 and burnt. Now there are only a few forests left and we call these 3, a small area covered with trees.

    Elephants, tigers and many 4 animals were living in the thick forest. Early farmers needed fire to keep themselves 5 in winter, to cook their food and to keep away the dangerous animals. They 6 rice and kept pigs and chickens in the valleys. They cut down the trees and burnt them. Elephants quickly disappeared 7 there was not enough food for them. So did most of the wolves and tigers. Monkeys and many other animals soon 8 in the same way.

    There are about 36 different animals living in Hong Kong now. One of the most interesting of Hong Kong's 9 is the barking deer. In Hong Kong the barking deer has only a real enemy human beings. There are now not 10 barking deer left. So it is important for people to protect wild animals.

    March 22nd is World Water Day. It started in1993. It not only makes us think about the importance of water, but also calls on(号召）us to1and protect water. Today, we're facing terrible water problems. Among them, wastewater problem is especially 2. And the subject of World Water Day in 2017 is "Wastewater".

    What is wastewater? It is used water. Usually, wastewater comes from homes, 3, hospitals and so on. It is produced by different kinds of activities, including washing the clothes, taking showers and using the kitchen. The rain also4 wastewater when it is running down the street during a storm. No matter where it comes from, this kind of water is sure to have5harmful in it.

    6must we treat（处理）wastewater? Wastewater has a big influence on our life. It causes both illness for us and pollution for the environment. We must care for our environment and our own7.

    How can we treat wastewater? Different kinds of wastewater need different ways of treatment. Wastewater8 homes can be reused. Then there will be9 wastewater. Also, factory wastewater has to be cleaned 10 it goes back to nature.

    As we all know, the environment around us is getting1. In some places we can't see fish swimming in the river or trees on the hills. Some people even have no clean water2.Recently, a new lifestyle called low-carbon life is3every corner of our country. It is such an important project4I can't wait to express my ideas on how to promote (推动) it.

    First, we should5a no-car day every week in our school. Because cars not only cause serious air pollution but also waste energy. On the no-car day, neither students nor teachers6to drive to school. At the same time，just walk or run. Use our bikes and enjoy the fun.

    Second, we had better 7 plastic bags any more. No one can stand the "white pollution", so it is wise to use cloth bags8can be used again and again.

    9, one thing that we should keep in mind is that every big thing comes from small details. So, as students, we should10lights when we leave, use both sides of paper, and reuse our textbooks and so on.

    All in all, just set our mind to these: no-car days, no plastic bags, and no waste. Let's do it now.

    The Artic Region (北极地区) is one of the coldest place in the world. It is cold all year round. Spring comes from May to June. The ice and 1 begin to melt (融化). The plants begin 2 and the animals look for food. The summer comes from July to August. The temperature is summer can get only -8℃. It should be 3 warmest season here. Autumn comes from 4 to October and it lasts short. 5 comes quickly from November to April next year. Winter is the 6 and coldest season of a year. And the Artic Region is filled with ice and snow everywhere. At this time there is no 7. So it looks like night in winter.

    Are there any people living in such a 8 lace? Yes, they are Eskimos (爱斯基摩人). It is 9 for them to live there, 10 they live happily with a long history.