(
课件网) Nurturing nature Book 4 Unit 6 Leading in Watch the video and answer the questions (P90). 1 Which natural heritage site is introduced 2 What kind of threat is it facing 3 What measures are taken to conserve it Leading in Watch the video and answer the questions (Activity 1). 1 Which natural heritage site is introduced Australia’s Great Barrier Reef. 2 What kind of threat is it facing The reef is threatened by human activities. Industry along the coast pollutes its waters; illegal fishing is reducing the number of fish; climate change caused by human activities leads to rising temperatures, which bleach /bli:t / the coral. Climate change also makes the water more acidic / s d k/, causing coral to grow more slowly. to make sth white or pale by a chemical process Leading in 3 What measures are taken to conserve it Fortunately, long-term plans are now in place to try to combat the effects of climate change. The reef became a UNESCO World Heritage Site and today is carefully monitored. Areas of the reef where living things reproduce（生物繁殖） are now protected, and measures are being taken to stop tourists and fishing boats damaging the reef further. The islands around the reef are also protected from fire and pests. Through actions such as these, it is hoped that the Great Barrier Reef will be conserved for future generations. Pre-reading Look at the title of the passage and the pictures. Predict what the passage is about (Activity 2). Now read Paragraph 1 and check your predictions. While-reading Choose the topic sentences for the paragraphs and write them on the lines to complete the passage. Underline the clues (线索). a Located off the coast of North-east Australia, the Great Barrier Reef is the largest living thing on the planet. b Whether it was a genuine job offer or an eye-catching marketing event isn’t really important. c This call for an island caretaker attracted interest from all over the world. d Ben did a lot during his time as an island caretaker. While-reading c This call for an island caretaker attracted interest from all over the world. Para. 1: “How would you like to spend six months living on an island and looking after the Great Barrier Reef ” Evidence: word repetition (词汇复现)—reference to the previous words Para. 2 Clues While-reading a Located off the coast of North-east Australia, the Great Barrier Reef is the largest living thing on the planet. Para. 3: “About the size of Japan, … More than 25 million years old, … the Great Barrier Reef is made up of… It is host to…” Evidence: word co-occurrence (词汇共现)—words that often appear in the same context Para. 3 Clues While-reading d Ben did a lot during his time as an island caretaker. Para. 5: “In addition to blogging, taking photos and writing articles about the reef, he made a number of appearances on television to argue in favour of its defence. He also worked as a presenter for the National Ge ... ...
