英语听力教程3答案

UNIT1 Part I Getting ready
B. Keys:
1: burning of the forests/tree removal (deforestation)/reduction of the world's rain forests
2: global warming/greenhouse effect/emissions of CO2
Part II The Earth at risk (I)
A. Keys:
1. a. More people--------?more firewood----?fewer trees
b. More domestic animals------?more plants-----?fewer available plants
a, b--? More desert----?move south-----?desrtt expanding south----?no grass
2. Growing crops stabilize soil, without them the top soil just blows away. But if there isn't enough rain the crops don't grow.
3. People try to grow food to support themselves or to create ranches where cattle can be raised, or to get hardwood for export, or to make way for an iron ore mine
B. Keys:
1: Sahara Desert
2: North America & most of Europe
3: top soil blowing away
4: tropical forests destruction
5: animal/plant species becoming extinct
6: climate change for the whole world
Part III The Earth at risk (II)
A. Keys:
1: Trees would hold rainfall in their roots. When forests in the higher up-river have been destroyed, all the rain that falls in the monsoon season flows straight into the river and starts the flooding.
2: He implies that some national governments just consider the results of their policies in the near future, or just think as far ahead as the next election.
B. Keys:
1: flooding in Bangladesh
2: Action to be taken
3: population control
Part IV More about the topic: The Effects of Global Warming
Keys:
1: Warming up of the world
2: Effects of global
3: reduced potential for food production
4: change of patterns of hear-related food poisoning, etc.
Part V Do you know…?
A. Keys:
1: F 2: F 3: F 4: F 5: T
B. Keys:
Dos 1: your towels 2: Cut out 3: a wall-fire 4: fridge 5: wait until you've a full load
6: a complete meal
Don’ts 7: iron everything 8: the iron up 9: the kettle 10: to the brim
11: hot food
Part I Getting ready
B. Keys:
1: International Union for the Conservation of Nature,
United Nations, wildlife, policies
2: Convention on International Trade in Endangered Species,
trade, animals and plants, 1975, prohibits, 8000, controls,
30000
3: United Nations Environmental Program,
leadership, environment, quality of life
4: World Wide Fund for Nature(formerly World Wildlife Fund) ,
1961, Sahara Desert, North America & most of Europe,
top soil blowing away
C. Keys:
1: 2 2: 4 3: 5 4: 1,6 5: 3
Questions:
1: They work to conserve natural areas that contain endangered wildlife
2: They are campaigning to provide sea sanctuaries for some of these endangered species.Protected-nesting sites for turtles have been set up
3: It refers to the places of safety in the sea where sea animals are protected and allowed to live freely
Part II Christmas bird counts
A. Keys:
1: Jan. 3rd 2: more than 40 000 volunteers 3: 1 600 4: a 15 mile diameter
5: an American artist 6: their natural habi

tats 7: the late 1800s
B. Keys:
1: start 2: sponsored 3: outside counting birds 4: experienced bird watchers
5: anyone that is interested or concerned 6: scheduled 7: 10 people taking part
8: 15 mile diameter circle 9: the total bird populations 10: the number of birds
11: the longest-running bird census 12: undefined
Part III Dolphin captivity
A.
B. Keys:
1: 1 2: 3 3: 4 4: 5 5: 2
6: Dolphins should be kept in captivity.
7: There are educational benefits of keeping marine mammals in captivity.
C. Keys:
1: stress (family-oriented) 2: sonar bouncing off
3: average age of death; life getting better for captive dolphins
4: natural behabior patterns-altered
5: suffering from fractured skulls, ribs or jaws
6: can't learn from animals in the wild how they operate, breed, what they need, etc.
Part IV More about the topic: Birds----A Source of Wealth
Keys:
1： 9300 2： Habitat 3： warmer climates 4： 300 different species
5： colder climates 6： habitat alteration 7： esthetic value 8： Birds' population
Part V Do you know…?
Keys:
1: one and one-half million 2: 20 times
3: 100 4: 40000 5: 65 million
6: 3500 7: 2 million square miles 8: 3%
9: 200 animal species 10: 1000
11: a third 12: two-thirds 13: three-quarters
Unit 3 El Nino? La Nina?
Part I
D. warmer/ green house effect / sea levels/ climate zones
Part IIA. Outline 1. A. weather pattern/ global climate
B. 1. twice a decade 2. 12-18 months C. 1. warmer weather/ 2. wetter than usual/ drier D. the decline of winds II. 1. droughts
B. a cyclic weather pattern/ about twice a decade/ wetter/ drier/ cold water away from South America’s west/ to expand eastward toward the America’s / move eastward too/ the weather around the world/ droughts/ rains and flooding/ on the South American fishing industry/ to become depletive/ the strength of it/
Part III Lick Observatory
B. location: an hour’s drive/ summit/
Origin of the name: a wealthy businessman
Size: one meter diameter/ second
Time: 1888
Present function: research/ an educational tool
C. way of observation: human eyes; in the cold/ TV screen
Gains and losses: Romance/ the sky/ efficiency/ reality/ universe
Questions:
1. Because lick Observatory is near “Silicon Valley”, a region of the states high-technology.
2. Because Lick Observatory was built on his estate and he was buried at the base of the telescope at this won request.
3. By using the 19th century telescope, you have a feeling of romance with direct viewing with the human eyes. By sing the modern devices, you lose that romance but gain the efficiency. That’s an exchange.
Part IV. The national climatic Data Center.
A. Outline
I. A. 1951 B. headquarters C. satellites, radar, solar radiation system, airplanes, ships
II. B. collecting weather records from around the world D. publications about earth environment. E. requests fro information from all over the world.
B. quest

ions.
1. The Department of Defense, the National Weather Service, the coastguard
2. The office has written weather observations made by early American diplomat Benjamin Franklin and by the third President of the U.S.
3. You can get the information by computer, microfilm and telephone
4. American cities. Another publication has monthly reports from 1500 observation stations around the world.
5. The center had more than 900,000 requests from government officials, business owners, weather researchers and the general public last year.
Part V Do you know…?
Meaning: little girl
Time: the western coast of South America / The Pacific coast of Peru and Ecuador
Time: winter months
Duration: one to two years.
Evidence: the eastern Pacific ocean
Impacts: those of EL Nino/ drier than normal and others wetter.
Unit 4 Reports on Disasters & Accidents
Part I.
1. firebomb/ shopping/ several /
2. 1,000 tornadoes
3. car ferry/ taken over/ Green Action Front
4. South Korea/ 270/ thousands
5. robbed/ 5/ lunchtime/ 10,000
6. hurricane/ 100/ twenty/ 100
7. Hijacked/ Tuesday
Part II. Hurricanes & tornadoes
A. 1. a storm 2. about 2000 3. the winds were up to 75 miles an hour 4. the Indian army 5. destroyed/ links / collapsed 6. more than 40 people 7. over 100,000 peopleB.
1. The worst of the heavy rains and thunderstorms appears to be over
2. in parts of Europe
3. During the past week
4. Affected
5. At least five
6. because emergency warnings were issued before.
C. 1. c 2 b 3. d 4. b
Part III. Earthquakes
A. Another earthquake, the fifth in three days, hit Japan last night. Hundreds of homes have now been destroyed or badly damaged, and thousands have been made homeless since the earthquakes started. Many of the homeless have begun to make themselves makeshift shelters from the rubble. Electricity, gas and water supplies have also been seriously disrupted. Experts believe that the country will be hit by more quakes during the next 48 hours.
C.
I. A. Sunday/ the 23rd B. in southern Italy
II. A. at least 400 B. many more than 400
III. A. in small towns and villages outside Naples 1. hospital 2. church 3. private homes
B. 1. eight or nine 2. in the streets or squares 3. countryside/ traffic jams 4. telephone lines/ 5. electricity and water
IV. A. 1. the fog 2. the cold weather B. road
Part V. do you know…?
A1. Main idea: to remember Tsunami victims
2. Time : midday/ 3 minutes of silence/ people stopped/ flags lowered to half staff.
3. Purpose: giving people a chance to remember all those who died.
4. 1) Sweden/ 700+1200 Germany: +1000
B
1. large earthquake/ epicenter under water
2. no/ most quakes no tsunamis
3. depending on distance/ near the earthquake/ immediately / hardest hit area/ two hours away.
4. a. water/ seriously withdrawing or coming in for no apparent reason
b. feeling an earthquake / witnessing a landslide at the coast
Unit5 Part2 B. outline
I

. A. second only/ B. 26 million people C. 1 the Great Lakes 2 the Rocky Mountains 3 the Arctic islands
II. A. 1. 2. overcoat/ a fur hat
III. A. 1. American Indians 2 Germans 3 Italians, / Inuit B. English and French
IV. A. seafood B. meat dishes D. the sweet course E. good beer but not good local wines.
V. A. most modern shopping centers B. 1 2. woolen 3. wood 4 leather 5 maple
VI. A. the Canadian dollar B. 10 am to 3pm Monday to Thursday, till later on Fridays.
Part III Traveling around Australia
A. Sydney: harbor: take a boat trip in an old sailing ship/ at a backpacker’s hotel
The Sydney Opera House: see concerts
The great Barrier Reef: tropical fish/ glass bottom/ at a resort hotel or at a guesthouse
Ayers Rock in Ulura National park: go hiking/ see cave paintings/ colors /at sunrise and sunset
Kakadu National Park: go hiking/ wildlife / waterfalls/ in one of the campsites.
B. 1. T 2 F 3 F 4. T 5 F 6. T 7. F
Part IV. The Story of Denver
Outline
I. A. 1l6 kilometers/ one mile above the sea level
B. population:
C. 1. 300 days of sunshine a year
2. about 35 centimeters
II. Business and Marketing center
A. more than 1500 manufacturing companies
1. Main activity: food processing
2. other factories making equipment for the defense, space, high technology and transportation industries.
3. gold production
B. the computer and communications industries
C. 1. offering the third highest number/ 2. that do business in other countries
III. A. History B. Natural History C. North America/ 90,000 E. city park system F. a business area filled with old buildings, gas lights and vehicles pulled by horses
Part II New Zealanders
I. A. an island country in the South Pacific Ocean B. 2,575,000
II. A. free education for children from ages 3 to 19
B. for children between the ages of 7 and 15
C. The Government Correspondence School:
III. A. one of the highest in the world
B. mainly one-story wooden homes
C. meat and butter
IV. Recreation B. musical / D. Concerts/ E opera
V. A. camping/ fishing C. Rugby football D. soccer/ basketball
B. 1. F 2. F 3. T 4. T 5. F 6 F
Part III. What do you think of Britain?
Weather Food people Way of life
Paul Changeable; depressing;
The best word: bleak Boring/ flavor$ taste/ enjoy it Snobbish;/ alive/ on fire
Cindy Cloudy/ sunshine Dull, / sweets Difficult/ reserved relaxed
Usha Changeable/ OK Healthy/ bland Reserved/ friendly Fast
Spiro Depressing / long; pleasant All right/ limited Friendly sincere Awful; / tiring

B. 1. It must be tasty and full of flavor
2. Spring and autumn
3. Because the city life is fast
4. for seven years
5. there is a wider selection of dishes in Greek food.
6. Usha is very good at making friends.
Part IV Native peoples of Alaska
1. A. 1 sea 2 fish 3 4 reindeer
B 1 frame houses 2 huts
C 1 hunting 2. carving
II. A re

lated/ different
B. 1 the sea 2 fishing boats 3 working in
III. Indians A. the interior 1. Canada 2 fishing, trapping
B. near the sea 1. 2 means of livelihood: c. logging