内容正文:
Unit 5 A delicate world
Understanding ideas
MACQUARIE ISLAND:from Chaos to Conservation
I am standing on Macquarie Island,in the South-west Pacific Ocean,halfway between Australia and Antarctica. Strong winds and ________(storm) seas have helped sculpt its long,thin shape. The green grass and bare rock of its landscape contrast dramatically,________(give) it a wild and natural beauty. No visitor would think it ________(surprise) that the island is a UNESCO World Heritage Site. Nor would they fail to imagine how its native inhabitants,including royal penguins,king penguins,and elephant seals,existed in perfect harmony ________ their natural habitat for thousands of years.
But the island’s more recent history tells a different story. It’s a tragic story that began in 1810 when humans arrived on the island. In their ships they ________(knowing) brought rats and ________(mouse). These small animals quickly took over the island,eating the birds’ eggs and attacking baby birds. Cats were bro