The earth is our home；we must take Care of it. This means keeping the land，air and water   clean.
Pollution is a dirty word. To pollute means to make things unfit(不合适的)or unclean to use. Pollution comes in many ways. We see it，smell it，taste it and drink it. Pollution is beginning to threaten(威胁)our health，or happiness and our life.
Man. has been polluting the earth from the time he first made fire，washed his clothes in the river and threw his waste on the ground. When land was used up or water became dirty. Men moved to another place. At first the problem was not so serious because there was plenty of clean air，land and water. There weren’t so many people then and their wants(需求)were fewer. All the dirty things could be absorbed(吸收)by nature and soon. covered over(恢复)， But this is no longer true. The increase of population(人口增长)and the development of industry have changed that. Man is slowly polluting. his environment.
Through the use of poison(农药)，mall has polluted land! killing the animal. By putting dirty water and chemicals into rivers and lakes we have polluted our drinking water，killing the fish.
Our increasing population is part of the problem. More people more waste.
Where is this all to end? Are we turning the world into a big rubbish dump，or is there any hope that we can get rid of(摆脱)the pollution ?Luckily，millions of people have been warned of the danger of pollution. Large numbers of people are now working hard to bring pollution under
【小题1】Which sentence is WRONG?

句型转换

1.The old man is so angry. He can't say a word.（连成一句）

     The old man is ______ ______ ______say a word.

2.I bought the bike ten years ago. (同义句)

     I ______ ______the bike ______ ten years ago.

3.The key is used for locking the front door.（就划线部分提问）

     ______ the key _______ for?

4.You should hang the curtains across the stage.（改为被动语态）

     The curtains _______ ______ ______across the stage.

5.Our school has changed greatly in the past several years.（同义句）

     There ______ ______ great changes in the past several years.

An atlas is a book of maps. Atlases are made with different kinds of information about different parts and areas of a country or the world. They are prepared for desk use or travel use.

Desk atlases are made for different groups of people with different needs. For example, students may use desk atlases to help learn geography, and other people may use desk atlases to study a place. A popular type of the latest atlas shows the recent fact of the world. New atlases are often carefully produced to help people learn about the changes, such as the name changes, boundary(边界) changes and other important new information. A desk atlas can also have some different maps of the same place. For example, an atlas may include maps showing population and important products of a place.

Travel atlases usually show the information about both natural and man-made features(特点). So it is not surprising to find universities, airports, forests, rivers, roads as well as cities, towns and villages in them. A travel atlas is often the first thing people need when they want to start a trip in a strange place. It often has a map of a whole country, and a map with more special information of each important place in the country. Take the atlas of the United States as an example, it often has a map of the whole country and then a map of each of the fifty states.

A travel atlas may also point out the beautiful natural places. In the US, the atlas may include national parks such as the Yellow Stone Park and some others to show the beauty of nature and interesting places to tourists.

1.An atlas is       according to the passage.

A. a guide book    B. a history book

C. a collection of pictures   D. a collection of maps

2.How many kinds of atlases are mentioned in the passage?

A. One           B. Two            C. Three            D. Many

3.From the passage we know people need newly produced atlases because         .

A. they can’t see the old ones clearly    B. they like to buy different ones

C. something has changed             D. something is missing

4.According to the passage, people can find the information about       in a travel atlas of Shanxi.

A. the population of Shanxi          B. the local products of Shanxi

C. the Yellow Stone National Park     D. Xi’an Jiaotong University

The word that has changed the world

Apple is one of the most popular fruits in our life, and people eat apples every day. But thereare  11 apples that are especially important to the history of our human beings and they have changed the whole world.
Long long ago when the world just started, apple was a forbidden  12  in the Garden of Eden, however, a girl named Eve stole and ate it. Unfortunately, she was discovered by God, and was driven away  13  the Garden together with a boy called Adam. After they 14  the garden, Adam and Eve had their own babies and 15  the ancestors of all of us. This is the beginning of our world, history 16  morality.*
In the Autumn of 1665, there 17  a young man sitting under an apple tree in his garden. His name was Newton. While he was thinking of one problem, suddenly, an apple dropped down from the tree and fell on his head. 18  this, Newton discovered gravitation* on that day and his new idea of science made people really 19   and happy, also he changed our opinions about nature and the way 20   we think, then people began to  21 what science was at that time.
And today, Jobs Steve, this crazy old man changed the world by his apple products. For example, iPhones  22  be found 23  in the street, young people feel cool when they use this kind of new high-tech* product. Don’t you think 24  apple products have become a symbol of our time? As Jobs Steve often said he was born to change the world and he made it. 25  he has died, people remember him and miss him, because he made our life more colorful and amazing.