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In most situations, light helps us see．But nowadays humans are using too much of it so that it is in fact a kind of pollution．
When it comes to looking at the night sky, too much light makes it difficult for us to watch some of life’s most wonderful sights: stars, planets and even galaxies（星系）．
According to scientific research, about 2, 500 stars can be seen by the human eye without using any special equipment（设备）．But because of light pollution, you can only see 200 to 300 stars from today’s countryside, and no more than ten stars from a city．In most big cities, people cannot see the sky filled with stars like they did in their childhood．
Light pollution affects more than just our view of sky．Research shows that lots of nighttime light can harm wildlife, too．
When birds fly to another place over cities, they sometimes get lost by the brightness and fly in circles（圈） until they drop from tiredness．Sea turtles（海龟） need dark beaches for laying eggs, but they can’t find their ideal places because of those bright lights．
Too much light at night may even affect human health, but scientists are not sure of that． They are still learning more．
In order to prevent things from going worse, governments and some organizations are working to reduce light pollution．Many cities and towns have taken action to reduce the use of lights at night．Lights are used only when and where they are truly needed．They also shine lights down at the ground instead of up into the sky and use lower brightness levels．
Hopefully, in the near future, humans can enjoy the clear and beautiful sky again and all the wildlife will live a peaceful and undisturbed life, too．
1．Why does the writer think that too much light is a kind of pollution?
A． Because there are fewer and fewer stars．
B． Because human health has been affected．
C． Because too much light is a waste of energy．
D． Because some of the wildlife can be harmed．
2．Which of the following is NOT mentioned（提到）in this passage?
A． The problems that light pollution has caused．
B． The reason why humans use too much light．
C． The ways that light pollution can be reduced．
D． The reason why fewer stars can be seen than before．
3．Which of the following is true according to the passage?
A． There are about 2,500 stars in the sky．
B． Humans want to do nothing to reduce light pollution．
C． Sea turtles always get lost and die from tiredness．
D． Something has been done to reduce light pollution．
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WIRES is short for Wildlife Information and Rescue Service. It is an Australian organization, established(成立) in 1985 to care for injured and orphaned(失去母兽的) native wildlife. WIRES has a network of hundreds of volunteers who rescue and care for native animals until they are well enough to be released (释放)into the wild. Volunteers look after rescued animals in their own homes and are trained in the special needs of native wild animals.
When Australians find a native animal in trouble, they often call WIRES for help. WIRES may be asked to look after a possum that has been attacked by a cat, rescue a large lizard that has got its head caught in a drink can, or care for a baby animal who has lost its mother. People call WIRES when they want to move a dangerous snake away from their garden or when they find a seabird that has swallowed(吞下) a fishing line or an owl with a broken wing. Sometimes kangaroos jumped onto the road in front of cars and are run over. Australians are encouraged to check the pouch(育儿袋)of dead kangaroos in case there is a baby in it. WIRES volunteers find themselves caring for many babies orphaned in this way.
Each year, in the summer, parts of Australia suffer from(受苦) huge bush fires. These fires not only destroy human homes and put people in danger, but they also destroy animal habitats(栖息地)and endanger the animals living in the bush. After a big fire, WIRES and other organizations go into the district to pick up surviving animals. They are treated for burns, shock, smoke and other problems and then cared for until new location can be found for them.
WIRES is also involved in educating people in the importance of caring for wildlife and wildlife habitats. Volunteers visit schools and other public places to talk about native animals. Sometimes they bring a bat or some other interesting animals with them to show to people who may never have seen one up close before.
小题1:What is WIRES?
| A．It helps the pets in the street to look for their homes. |
| B．It rescues and cares for animals in order to set them free. |
| C．It consists of hundreds of volunteers from all over the world. |
| D．It provides services for wild animals and keeps them in a zoo. |
| A．Australians often call the police for help if they find animals in trouble. |
| B．Volunteers in WIRES are afraid to take snakes away from communities. |
| C．Australian government asks WIRES workers to save animals after a fire. |
| D．WIRES often go to the public places to give lessons of wild animals. |
| A．It mainly talks about what WIRES members usually do. |
| B．It tells us why WIRES develops so quickly in Australia. |
| C．It teaches us how WIRES can train wild animals at home. |
| D．It mainly tells us how we can join in WIRES successfully. |
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