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   (2)   our water and that could do harm to us and to wildlife.

◆Recycle bottles, paper and plastic. This is a good   (3)   to develop and can really make a difference.

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

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

How much do you learn about the solar system? The following passage will tell you.

The earth is a planet. It as well as seven   (1)   planets goes around the sun. We   (2)   the eight planets and the sun the solar system. The first planet,   (3)   the sun, is Mercury(水星). It is 58 million   (4)   from the sun. Venus(金星) is the second planet next to the sun, and   (5)   planet, the earth, is the third. It is 150 million kilometers from the sun.

Jupiter(木星), Saturn(土星), Neptune(海王星) and Uranus(天王星) are all       (6)   than the earth,   (7)   Venus, Mars and Mercury are smaller than the earth.

    Animals, trees and humans can only   (8)    on the earth—the other planets in our solar system do not   (9)    air or water. Do any planets in other galaxies have   (10)  ? We don't know about it.

Waste can be seen everywhere in the school. Some  (1)  ask for more food than they can eat , some students don’t  (2)  to turn off the water taps after they finish washing, and others often forget to turn off the  (3)  when they leave the classroom. They say these things are cheap,  (4)  I don’t agree with them.Waste can bring a lot of problems. Though China is rich in some resources (资源), we are  (5)  of others. It is reported that we will have no coal or oil to  (6)   in 100 years. So if we go on wasting our resources,  (7)  can we use in the future and where can we move? Think about it. I think we  (8)  say no to the students who waste things every day.  (9)  should stop wasting as soon as possible. If we do our best, waste can be stopped  (10)  and many natural resources can be saved.

The outdoor world is full of secrets. And they are __(1)__ interesting that quite a lot of people are busy __(2)__ them.
    All around us are birds, animals, trees and flowers. The facts about how they live and grow are as _(3)_ as anything could be.
    Do you know that one of __(4)__ presidents of the USA __(5)__ hours and hours studying birds? A businessman near New York became so __(6)__ in insects that he began to get __(7)__ together. He now has more than one thousand different kinds of insects carefully __(8)__ in glass boxes.
    Come with me, and I will help you find some nature's secrets. Let us go __(9)__ through the woods and fields. Here we shall find how a rabbit tells another they are in danger. We shall __(10)__ a mother bear and her young ones when they look for __(11)__ and get ready for winter sleep. We shall watch bees dancing in the air to let other bees know __(12)__ they can find food. I will __ (13)__ you many other interesting things, but the best thing that I can teach you is to keep eyes and ears __(14)__ when you go out of doors. Nature tells her secrets only__(15)__ people who look and listen carefully.

A

There are some easy things you can do to take care of the environment and the earth.    26_ideas from the following or come up with a few of your own.

   27   more flowers, grass or trees to make the air cleaner.

Whenever you visit parks or beaches, take away   28   you bring there—keep rubbish in a bag    29   you can put it in a dustbin (垃圾桶).

   30   the lights, TV sets when you leave the room. This saves a lot of electricity (电).

When you brush your teeth, you can save some water by not letting it   31  . Also, use a glass cup to take place of a paper cup because this saves paper.

Give your old books and magazines to a   32   or to other people who need them.

Give your old clothes to the poor children you know.    

Use   33   sides of paper.

Stop pouring   34   water into the rivers or lakes nearby.

Ask all your friends to do the   35   things as you do to help the earth. You don’t have to wait until Earth Day to do these things. Make every day Earth Day. If everyone takes action to look after the environment, the world will become much more beautiful.

It’s very important to deal with the rubbish properly in cities. One of the important reasons   is that it   41   the environment in cities. Rubbish must be thrown away or reused correctly.   or it may cause a lot of   42  . Another important reason is that it is   43   for people’s health. Rubbish may pollute the air and the water. People will get ill when they breathe polluted air or   44   polluted water.

There are a lot of ways to   45   the rubbish. Some rubbish should be sorted out and sent to certain places. Some of it such as newspapers and glass can be reused. This can save a lot of   46  . However, the harmful rubbish must be dealt with carefully because   47   will pollute cities. The polluted water mustn’t be poured into rivers   48   it has been dealt with. Generally, passing   49   is the most necessary for the government. It is the rule of preventing the rubbish

        50   polluting our environment. Save our city! Let’s do it at once.

    The world outdoors is full of secrets．They are so attractive that quite a lot of people are busy ____56____ them．All ____57____ us are birds，animals，trees and flowers．The facts about how they live and grow are as interesting as anything could be．

    Do you know that one of the great presidents of the USA spent hours and hours studying birds? A businessman who lives near New York City became so interested in insects that he began to ____58____ them．He now has over one thousand different kinds of insects carefully kept in glass boxes．

    Come with me and I will help you find some of ____59____ secrets．Let’s go quickly ____60____ the woods and fields．Here we shall find how a rabbit ____61____ the other rabbits that there is danger．We shall follow a mother bear and her young ones as they ____62____ food and get ready for their long winter ____63____．We shall watch bees dancing in air to let the other bees know where they can find food．I will show you many other ____64_____ things．But the best thing that I can teach you is to keep your eyes ____65____ when you go out．Nature tells her secrets only to people who look and listen carefully．

  Is your schoolbag too heavy? The e-schoolbag will help you. It is said that e-schoolbag are going to be brought into    36      in Chinese middle schools soon.

  Heavy schoolbags have been a serious   37       for a long time. But the e-schoolbag will    38      . An e-schoolbag is   39       lighter than a usual schoolbag. Perhaps, the e-schoolbag should be    40     an textbook. It is a small computer for students. It is as              41    as a usual book,    42     it can still have all the things for study, such as text-books, exercise books and so on which can be made     43     chips(芯片) like stamps. The students can read the text page by page on the screen, take notes, or even send e-mails to their teachers. They only need to   44        the right chip into the e-schoolbag. Then they can use it.

  Some people say  45        e-textbooks can be easily broken, and others say it is not good for eyes. But only time will tell us.

Every time we check out at the supermarket，we’re facing a question：paper or plastic?Then if you____56____it for a minute or two，people that wait in line will be____57____．But it’s an important____58____．For years，people have thought that paper bags are greener than plastic bags．But according to some experts，it doesn’t really matter which kind of bag you____59____．

　　Paper bags may be____60____to recycle than plastic bags，but they weigh 10 times as much as plastic bags．And heavy paper bags use much more energy and____61____more waste than plastic bags when they are made．Though people think plastic bags are more difficult to recycle than paper bags，the____62____is that they are almost the same when it comes to how green they are．

　　Both plastic and paper bags can be____63____．If you’d like to protect the environment，just go to the nearest recycling center to recycle your bags．

　　But the greenest way to____64____is to bring your own shopping bags from home．Just take a canvas bag along on your next shopping____65____，so when the salesgirl asks which kind of bag you need，you can answer，“Canvas!”

B

                          Music and Behavior

   Where did you go yesterday? Did you hear  56   at any of those places? Today most stores and restaurants play music.You might  57    hear music in an office or on a farm.
  Scientists believe that music changes the  58  people behave.According to some scientists,the sound of western classical(古典的)music makes people feel richer.When a restaurant plays classical music,people spend 59 money on food and drinks.When the restaurant plays modern music,people spend less money.With 60 music,people spend even less.
  Scientists also believe that loud,fast music makes people eat faster.In fact,people eat their food faster when the music gets faster.Some restaurants play fast music during their 61 hours. This gets people to eat faster and leave quickly. Restaurants 62 make more money in this way.
  Some scientists think that music makes you think and learn better.They say 63 music helps students to be more active.It is true that people learn better when they are 64. And listening to music can help you relax.
  The 65 time you hear music somewhere,be careful. It might change the way you do things.