《现代大学英语听力4》听力原文及题目答案Unit 2汇总.docx

1、现代大学英语听力4听力原文及题目答案Unit 2汇总Unit 2Task 1:【答案】June 5th, the United Nations, 1972, world leaders and citizens how to protect the environment, San Francisco, California, Plan the Planet, Green Cities, most people now live, more than 75 percent , the former vice president, music concerts, parades , tree p

2、lantings, representatives from many environmental organizations【原文】Every year on June fifth many countries celebrate World Environment Day. The United Nations established this special day in nineteen seventy-two to get people to think about taking care of the planet. Faith Lapidus tells us more.“Pub

3、lic events for World Environment Day are taking place from June first through June fifth. The events and conferences help teach world leaders and citizens how to protect the environment.“Every year World Environment Day is celebrated in a different city. This year it is being held in San Francisco,

4、California. This is the first time since the beginning of World Environment Day that the conference is being held in the United States. The main message of World Environment Day this year is Plan for the Planet. The events and conferences will show how to have Green Cities. This means that people wi

5、ll talk about ways that cities can have healthy environments.“Most people in the world live in cities. This makes them especially important areas of environmental concern. Cities use more than seventy-five percent of the worlds natural resources such as water and gasoline. World Environment Day will

6、 center on how people in cities can work together to help save the planet.“San Francisco is holding public talks to discuss pollution reduction, clean energy sources and the importance of healthy parks and gardens. Special experts are among the speakers. For example, former vice-president Al Gore wi

7、ll talk about climate change. There also are fun events such as music concerts, movies, art shows, parades, bicycle rides and tree plantings. Local farmers and restaurant owners will serve food that has been naturally grown.“The Mayor of San Francisco, Gavin Newsom, invited city leaders from all ove

8、r the world to attend this conference and share ideas. Representatives from many environmental organizations also are attending. The United Nations hopes to create an international agreement that countries and citizens will follow to help improve the Earths environment.”Task 2:【答案】A.1 d2 a3 b4 cB.1

9、Occupational noise2 Aircraft noise3 Traffic noise【原文】The sense of sound is one of our most important means of knowing what is going on around us. Sound has a wasted product, too, in the form of noise. Noise has been called unwanted sound. Noise is growing and it may get much worse before it gets and

10、 better.Scientists, for several years, have been studying how noise affects people and animals. They are surprised by what they have learned. Peace and quiet are becoming harder to find. Noise pollution the crashing, squeaking, banging, hammering of people is no joke. It is a threat that should be l

11、ooked at carefully. Sound is measured in units called “decibels”. At a level of 140 decibels people feel pain in their ears.Automobiles, trucks, buses, motorcycles, airplanes, boats, factories, bands all these things make noise. They bother not only our ears, but our minds and bodies as well. There

12、is a saying about it being so noisy that you cant hear yourself think. Doctors who study noise believe that we must sometimes hear ourselves think. If we dont we may have headaches, other aches and pains, or even worse mental problems. Noise adds more tension to society that already faces enough str

13、ess. But noise is not a new problem. In ancient Rome, people complained so much about noise that the government stopped chariots from moving through the streets at night!Noise can be separated into a few general groups. The following examples are taken from hearings before the US Senate Subcommittee

14、 on Air and Water Pollution in 1970.Occupational noise Factory workers who always hear noise have poorer hearing than other groups.Aircraft noise Around airports or on air routes the noise of airplanes taking off and landing causes the greatest complaints.Traffic noise Away from the noise of planes,

15、 traffic sounds break in on our peace and quiet. Trucks and motorcycles cause the most problems.Task 3:【答案】1 F2 F3 T4 F5 T6 F7 F8 T9 T【原文】We usually think of pollution as a harmful waste substance that threatens the air and water. But some people have become concerned about another kind of pollution

16、. It can be everywhere, depending on the time of day. And it was not thought of as a substance. It is light.The idea of light pollution has developed with the increase of lights in cities. In many areas, this light makes it difficult or impossible to observe stars and in the night sky. In 1998, the

17、International Dark-Sky Association formed. This organization wants to reduce light pollution in the night sky. It also urges the effective use of electric lighting.There are a number of reasons why light pollution is important. One has become clear at the Mount Wilson near Los Angeles, California. M

18、ount Wilson Observatory was home to the largest telescopes in the world during the first half of 1900.During that period, Los Angeles grew to become one of Americas biggest cities.Today, light from Los Angeles makes the night sky above Mount Wilson very bright. It is no longer an important research

19、center because of light pollution.Light pollution threatens to reduce the scientific value of research telescopes in other important observatories. They include Lick Observatory near San Jose, California and Yerkes Observatory near Chicago, Illinois.Light pollution is the result of wasted energy. Br

20、ight light shining into the sky is not being used to provide light where it is needed on Earth. Poorly designed lighting causes a great deal of light pollution. Lights that are brighter than necessary also cause light pollution.Recently, two Italian astronomers and an American environmental scientis

21、t created a world map of the night sky. The map shows that North America, Western Europe and Japan have the greatest amount of light pollution.Most people in America are surprised to find out that they are able to see our own galaxy, the Milky Way, with their own eyes. But about three fourths of Ame

22、ricans cannot see the Milky Way because of man-made light.Objects in the night sky are resources that provide everyone with wonder. And light pollution threatens to prevent those wonderful sights from being seen.Task 4:【答案】A.Israel and Jordan, 365, the lowest point, saltiest , are important to Jews,

23、 Christians and Muslims, Minerals , The strange beauty of the seaB.Message sent by this project:C.1 T2 T【原文】Israel and Jordan recently announced that they would work together to help save the Dead Sea from shrinking. Government officials said the joint project would help the sea, protect the areas u

24、nusual wildlife and increase the number of visitors to the area. The announcement was made during the United Nations World Summit on Sustainable Development earlier this month in Johannesburg, South Africa.The Dead Sea is on the border between Israel and Jordan. It is 365 meters below sea level. Tha

25、t is the lowest point on Earth. The Dead Sea is the saltiest large body of water in the world. The area around the Dead Sea has ancient places that are important to Jews, Christians and Muslims. Minerals in the Dead Sea are used for health treatments. The strange beauty of the sea brings many visito

26、rs to the area.But the Dead Sea is shrinking by almost one meter each year. Most of the water that flows into the Dead Sea comes from the Jordan River. However, water flowing from the Jordan River has been redirected for other uses in the area. Officials say within the next 50 years, the Dead Sea co

27、uld shrink to less than half of its current size.To prevent that, Israel and Jordan plan to build a pipeline more than 300 kilometers long. The pipeline would pump water from the Red Sea through both countries into the Dead Sea. After the pipeline is built, the officials hope to build a canal and a

28、salt removal System that will provide fresh water to Jordanians, Israelis and Palestinians.The pipeline will take at least three years to build. The project will cost as much as 1,000 million dollars. Israel and Jordan hope to pay for it with help from other countries. The project is expected to beg

29、in after a nine-month study is completed.Israel and Jordan had hoped to cooperate closely on a number of issues after they signed a peace agreement in 1994. However, tensions have increased between them since the current Palestinian uprising began two years ago.Officials from Israel and Jordan descr

30、ibed the water project as a major step forward. Experts say the agreement sends a message that the environment, ecology and nature are more important than borders or political conflicts.Task 5:【答案】A.1 27 percent, higher ocean temperatures, activities by people, 60 percent2 developing countries, off

31、the coast of northeastern Australia, off the Philippines, the Caribbean islands , South AmericaB.Coral reefs support many kinds of sea life.Coral reefs also protect coastal communities in storms.Coral reefs support fishing activities and protect inland waterways.Coral reefs also have become popular

32、stops for travelers.Corals are even important for medical research.C.1 F2 T3 T【原文】Environmental experts are concerned about the worlds coral reefs. A recent study found that twenty-seven percent of all coral reef systems have been destroyed. Experts believe higher ocean temperatures and activities by people are to blame. The study warns that sixty percent of the reef systems could be permanently lost if nothing is done to stop the problem.Corals are groups of small organisms called polyps. These p