no212

Sections
Section A Environmental Protection Throughout the World Section B Green Spaces in Cities Section C Earth — A Living Planet
Section A
Environmental Protection Throughout the World
Warming-up Activities（３）
• Decide whether the following statements are true (T) or false (F) according to the text. • 1. The great majority of nations concern themselves F with both economic development and the global ecology. F• 2. Measures taken by Canada benefit its fishing resources as well as Canadian fishermen. • 3. Costa Rica has issued a series of new T environmental laws and created nature preserves to protect its remaining forests. F• 4. The writer thinks highly of commitment made by Brazilian government to protect Amazon Indians. T• 5. Eastern Europe is considered the most polluted of all the industrialized areas because much of the area’s waters have been contaminated seriously.
initiative (1)
• initiative n. 主动性，首创精神；主动的行动， 倡议；主动权 扩展： initial adj. 最初的，开始的 n. 首字母； initiate vt. 开始，创始，发起 • 搭配：take the initiative 采取主动行动 • 例句：Because of a stupid mistake, we lost the initiative in the negotiations; the other side has the initiative now. • 因为一个愚蠢的错误，我们在谈判中失去了主动 权。另一方现在获得了主动权。
Background Information ( 2 )
equivalent to more than a decade of global fossil fuel emissions are stored in the wood of its trees. Even changes in the forest’s metabolism could undo the modest gains of the Kyoto Protocol in slowing global warming. The forest also releases enough water to the atmosphere via evapotranspiration and to the ocean via river outflow to influence world climate and ocean circulation systems; and in doing so it also sustains the regional climate on which it depends.

Background Information (５)
spread throughout Europe. The Banks have been continuously fished since that time by fleets from England, France, Spain, Portugal and later Newfoundland, Canada and the United States.
Unit Two Unit Two
Teaching Objectives
1. Enlarge vocabulary. 2. Talk about environmental problems and environmental protections throughout the world. 3. Learn to find out word meanings from clues provided by context. 4. Learn to write based on topic sentences.
Text Analysis (1)
Central topic: Environmental situation and the corresponding measures taken throughout the world.
Text Analysis (2)
Main point of the whole passage (Para. 1)
Illustrations of the main point through exemplification (Paras. 2-14)
Vocabulary and Structure
undertake
• • • • • • • •
undertake v. 承担，着手做；同意，答应，保证 构词法：under + v. e.g. undergo underline underlie undermine underestimate understate 搭配：undertake a task or a job 着手做某事 undertake to do sth. 答应、同意做某事 例句：The fifty-story building is one of the most challenging engineering projects they have ever undertaken. 这栋五十层的楼房是他们承担过的最富有挑战性的工程之一。 He undertook to pay the money back within six months. 他答应在六个月内还钱。
To illustrate the signs of By introducing parts of change in some the evil consequences author the world, the of the world’s typical cites six indifference to environment, the examples of countries: author leads the reader Canada, Costa Rica, naturally to the main Brazil, Eastern Europe, point of the Indonesia. Ghana, and whole passage: Signs of The examples are change have sprung by effectively employed up in various pockets following the problemaround pattern. solution the world.
Warming-up Activities（１）
• What are the major environmental problems in your hometown?
Warming-up Activities（２）
• Why do the animals in the picture claim to be SARS patients or bear virus in their bodies? • What comes to your mind on seeing the picture?
The Amazon
The Amazon rainforest is one of the world’s greatest conservation challenges. This vast equatorial ecosystem is home to one fifth of the planet’s plant and animal species, more than 200 indigenous cultures, and 30 million people in search of sustenance and wealth. Carbon stocks
Background Information (３)
Grand Banks
The Grand Banks are one of the world's largest and richest resource areas, renowned for both its valuable fish stocks and petroleum reserves. Situated off the southeast coast of the Island, the Grand Banks are actually a series of raised submarine plateaus with a water depth ranging between 36.5 and 185 metres. The relative shallowness of the water allows extensive marine animal and plant life to flourish on the