新世纪高职高专英语(修订版)综合教程电子数案 NEW CENTURY ENGLISH INTEGRATED COURSE UNIT eNvironment Topic-related words and Phrases deforestation the removal of the forest by humans chiefly as a result of clearing land for commercial and industrial development. The rate of clearance has been increasing rapidly. Estimates of deforestation of tropical forest for the 1990s range from ca. 55, 630 km2 to ca. 120,000 km2 each year. At this rate, all tropical forests may be gone in less than 80 years Deforestation is often cited as one of the major causes of the enhanced greenhouse effect, the promotion of soil erosion and the destruction of the habitats that support biological diversity. Language Drills for Lead In Text Stud Consolidation Application PRETCO Test
Topic-related Words and Phrases deforestation: the removal of the forest by humans chiefly as a result of clearing land for commercial and industrial development. The rate of clearance has been increasing rapidly. Estimates of deforestation of tropical forest for the 1990s range from ca. 55,630 km² to ca. 120,000 km² each year. At this rate, all tropical forests may be gone in less than 80 years. Deforestation is often cited as one of the major causes of the enhanced greenhouse effect, the promotion of soil erosion and the destruction of the habitats that support biological diversity
新世纪高职高专英语(修订版)综合教程电子数案 NEW CENTURY ENGLISH INTEGRATED COURSE UNIT eNvironment Topic-related words and Phrases Satellite images of progressive deforestation (in 1975 1986, 1992 from left to right. Language Drills for Lead In Text Stud Consolidation Application PRETCO Test
Topic-related Words and Phrases Satellite images of progressive deforestation (in 1975, 1986, 1992 from left to right.)
新世纪高职高专英语(修订版)综合教程电子数案 NEW CENTURY ENGLISH INTEGRATED COURSE UNIT eNvironment Topic-related words and Phrases ecology: the branch of science that studies the distribution and abundance of living organisms, and the interactions between organisms and their physical and biological environment. The physical environment includes light and heat or solar radiation moisture, wind, oxygen, carbon dioxide, nutrients in soil, water and atmosphere. The biological environment includes organisms of the same kind as well as other plants and animals Language Drills for Lead In Text Study Consolidation Application PRETCO Test
Topic-related Words and Phrases ecology: the branch of science that studies the distribution and abundance of living organisms, and the interactions between organisms and their physical and biological environment. The physical environment includes light and heat or solar radiation, moisture, wind, oxygen, carbon dioxide, nutrients in soil, water, and atmosphere. The biological environment includes organisms of the same kind as well as other plants and animals
新世纪高职高专英语(修订版)综合教程电子数案 NEW CENTURY ENGLISH INTEGRATED COURSE UNIT eNvironment Topic-related words and Phrases El Nino: Originally recognized by fishermen off the coast of South America(Peru and Ecuador), El Nino is the warming of the surface waters of the eastern equatorial pacific ocean that occurs at irregular intervals of 2-7 years, usually lasting 1-2 years. Because this condition often occurs around Christmas local fishermen named it El Nino Spanish for boy child, referring to the Child, Jesus). In most years the warming lasts only a few weeks or a month. However, when El Nino conditions last for many months, more extensive ocean warming occurs and econo mic results can be disastrous Recent El Ninos have occurred in1986-1987,1991-1992,1993,1994,1997-1998,2002 2003, and a new el nino has been in effect since September 2004 prev next Language Drills for Lead In Text Stud Consolidation Application PRETCO Test
Topic-related Words and Phrases El Niño: Originally recognized by fishermen off the coast of South America (Peru and Ecuador), El Niño is the warming of the surface waters of the eastern equatorial Pacific Ocean that occurs at irregular intervals of 2-7 years, usually lasting 1-2 years. Because this condition often occurs around Christmas, local fishermen named it El Niño (Spanish for boy child, referring to the Child, Jesus). In most years the warming lasts only a few weeks or a month. However, when El Niño conditions last for many months, more extensive ocean warming occurs and economic results can be disastrous. Recent El Niños have occurred in 1986-1987, 1991-1992, 1993, 1994, 1997-1998, 2002- 2003, and a new El Niño has been in effect since September 2004
新世纪高职高专英语(修订版)综合教程电子数案 NEW CENTURY ENGLISH INTEGRATED COURSE UNIT eNvironment Topic-related words and Phrases Chart of abnormal ocean surface temperatures ['C]observed in December 1997 3「3↓ global warming: a term used to describe an increase, over a period of time, of the average temperature of Earth's atmosphere. Global warming theories attempt to account for the rise in average global temperatures since the late 19th century(about 0.6C)and assess the extent to which the effects are due to human causes. the most common global warming theories attribute temperature increases to increases in the greenhouse effect caused primarily by anthropogenic human-generated) carbon dioxide and to possible increases in solar activity. K pr rev next Language Drills for Lead In Text Stud Consolidation Application PRETCO Test
global warming: a term used to describe an increase, over a period of time, of the average temperature of Earth’s atmosphere. Global warming theories attempt to account for the rise in average global temperatures since the late 19th century (about 0.6°C) and assess the extent to which the effects are due to human causes. The most common global warming theories attribute temperature increases to increases in the greenhouse effect caused primarily by anthropogenic (human-generated) carbon dioxide and to possible increases in solar activity. Topic-related Words and Phrases Chart of abnormal ocean surface temperatures [ºC] observed in December 1997