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Look into the mirror and what do you see? You see yourself. But when you move. you do everything backward(相反地)in the mirror! If you wave your left hand, your right hand waves in the mirror. If you wink your right eye, your left eye, your left eye winks(眨). Try to read a page in the mirror .The words will be backwards.
What is really happening? You do not see through the glass of a mirror as you do through a window. The glass of a mirror has a silver coating on the back. The light from the sun or a bulb bounces (弹回)off you ,goes into the mirror ,and bounces straight back out to you again.
Mirrors have been used for thousands of years. The earliest were round pieces of shiny metal. Glass mirrors came late. The ancients thought that a mirror was magic. They did not understand how it worked. They thought they saw their spirits in a mirror and breaking a mirror brought bad luck.
Today mirrors have many uses .For example, they can make rooms look bigger and prettier. They also show us if our hair is combed(梳理) well and our faces are clean. On cars, buses and trucks, mirrors help drivers see traffic behind them. Mirrors are also used in telescopes(望远镜)and searchlights(探照灯).
Fun houses use mirrors. They make people look funny. Some mirrors are curved to make people seem short and round or tall and tin They make people laugh at themselves.
【小题1】If you wave your right hand, you can see your         In the mirror.
A.left hand downB.left hand wave
C.right hand waveD.right hand up
【小题2】Mirrors       .
A.appeared a long time ago
B.were made of glass at first
C.made of metal are popular today
D.had many uses in ancient times
【小题3】Mirrors were magic in the past because      .
A.people thought they could see their spirits in mirrors
B.they were used in magic shows
C.they could make people change their heights and weights
D.they could make people laugh
【小题4】What does the word “curved” mean in Chinese?
A.雕刻B.油漆C.扭转D.弯曲

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Look carefully at the back of a California state quarter. A man with a walking stick is pictured there. A bird called a California condor(大秃鹫)is flying overhead. Who is this man, and why is he so important that he is featured(处于显著地位)on the back of a coin?
The man on this quarter is John Muir. Even as a child, Muir loved watching nature. As a young man, he spent much of his life exploring the beauty of the wilderness. He walked more than a thousand miles across the country, through fields and woods. John Muir liked writing about the places he visited, describing their beauty.
Muir also wrote about problems. In order to create more farmland for sheep and cattle, many trees were being cut down. This made Muir unhappy and worried, because he knew that trees were important to forests and to the animals that lived in them.Muir believed that nature should be conserved(保护)instead of being changed by human beings. He wrote articles in magazines and newspapers to spread the word about conserving forests. Soon, others began to listen.
Muir wrote letters to important people, such as President Theodore Roosevelt. The president admired Muir’s love for nature. When Roosevelt came to visit Muir in California. Muir convinced(说服)the president to go camping with him for three nights under the trees so they could talk about conservation. Later, President Roosevelt set aside 148 million acres of land for national forests and established(建立)five national parks. National parks are large areas of land that are protected from development. This means that people cannot build homes or businesses there. One of these parks is Yosemite National Park, the area that is featured on the back of the California quarter.
Though it has been almost one hundred years since John Muir died, people continue his work today. His work as a conservationist helped us to see the beauty of our natural world. John Muir made us understand the importance of protecting our earth and our resources---then, now, and for the future.
【小题1】Why did President Theodore Roosevelt visit John Muir?

A.Because Roosevelt loved watching nature.
B.Because Roosevelt received letters from John Muir.
C.Because Roosevelt admired John Muir’s love for nature.
D.Because Roosevelt was sad about the problems with farmland.
【小题2】Why is John Muir featured on the back of a California state quarter?
A.Because he walked over a thousand miles across the country.
B.Because he helped people understand the importance of protecting the natural world.
C.Because he wrote articles to spread the word about conserving forests.
D.Because he once wrote several letters to President Theodore Roosevelt.
【小题3】What is the writer’s purpose of writing this article?
A.To advise readers to become active conservationists.
B.To make us interested in the story about a great man.
C.To tell us something about an important person in history.
D.To give information about how to conserve the environment.

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Look left and right before you ________the road.

Aacross? ????????????? ????????????? Bcross?? Cthrough? ????????????? ????????????? Dthough

 

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 —Look, an old man is in the middle of the road. It’s too dangerous.

   —Let’s go and help him go __________the road.

A. over                        B. on                                      C. across                      D. through

 

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Look carefully at the back of a California state quarter. A man with a walking stick is pictured there. A bird called a California condor(大秃鹫)is flying overhead. Who is this man, and why is he so important that he is featured(处于显著地位)on the back of a coin?

The man on this quarter is John Muir. Even as a child, Muir loved watching nature. As a young man, he spent much of his life exploring the beauty of the wilderness. He walked more than a thousand miles across the country, through fields and woods. John Muir liked writing about the places he visited, describing their beauty.

Muir also wrote about problems. In order to create more farmland for sheep and cattle, many trees were being cut down. This made Muir unhappy and worried, because he knew that trees were important to forests and to the animals that lived in them.Muir believed that nature should be conserved(保护)instead of being changed by human beings. He wrote articles in magazines and newspapers to spread the word about conserving forests. Soon, others began to listen.

Muir wrote letters to important people, such as President Theodore Roosevelt. The president admired Muir’s love for nature. When Roosevelt came to visit Muir in California. Muir convinced(说服)the president to go camping with him for three nights under the trees so they could talk about conservation. Later, President Roosevelt set aside 148 million acres of land for national forests and established(建立)five national parks. National parks are large areas of land that are protected from development. This means that people cannot build homes or businesses there. One of these parks is Yosemite National Park, the area that is featured on the back of the California quarter.

Though it has been almost one hundred years since John Muir died, people continue his work today. His work as a conservationist helped us to see the beauty of our natural world. John Muir made us understand the importance of protecting our earth and our resources---then, now, and for the future.

1.Why did President Theodore Roosevelt visit John Muir?

A.Because Roosevelt loved watching nature.

B.Because Roosevelt received letters from John Muir.

C.Because Roosevelt admired John Muir’s love for nature.

D.Because Roosevelt was sad about the problems with farmland.

2.Why is John Muir featured on the back of a California state quarter?

A.Because he walked over a thousand miles across the country.

B.Because he helped people understand the importance of protecting the natural world.

C.Because he wrote articles to spread the word about conserving forests.

D.Because he once wrote several letters to President Theodore Roosevelt.

3.What is the writer’s purpose of writing this article?

A.To advise readers to become active conservationists.

B.To make us interested in the story about a great man.

C.To tell us something about an important person in history.

D.To give information about how to conserve the environment.

 

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