Reading

Reading 1: Exotic and endangered species

Reading 2: Smell and Memory

Reading 3: World Ecotourism in the developing countries

Reading 4 : Koalas

Reading 5: The world's desire for plastic is dangerous

Reading 6: In the future, genetic engineering ...

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Reading 1: Exotic and endangered species

                                        EXOTIC AND ENDANGERED SPECIES When you hear someone bubbling enthusiastically about an exotic species, you can safely bet the speaker isn’t an ecologist. This is a name for a resident of an established community that was deliberately or accidentally moved from its home range and became established elsewhere. Unlike most imports, which can’t take hold outside their home range, an exotic species permanently insinuates itself into a new community. Sometimes the additions are harmless and even have beneficial effects. More often, they make native species endangered species, which by definition are extremely vulnerable to extinction. Of all species on the rare or endangered lists or that recently became extinct, close to 70 percent owe their precarious existence ...
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Reading 7: A long and healthy life?

 Source: https://www.ngllife.com/long-and-healthy-life-0 (the original article has the audio for those who want to practice listening) A long and healthy life? How long will a baby born today live? 100 years? 120 years? Scientists are studying genes that could mean long life for us all. There are already many, many people who have passed the landmark age of 100. In fact, there are now so many healthy, elderly people that there’s a new term for them: the wellderly. These are people over the age of 80 who have no diseases such as high blood pressure, heart disease or diabetes and have never taken medicines for these conditions. There have been many scientific studies of communities where a healthy old age is typical. These include places like Calabria in southern Italy and the island of Okinawa in Japan. The small village of Molochio in Calabria has about 2,000 inhabitants. And of these, there are at least eight centenarians. When researchers ask people like this the secret of t...
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Reading 5: The world's desire for plastic is dangerous

  THE WORLD’S DESIRE FOR PLASTIC IS DANGEROUS A . A million plastic bottles are purchased around the world every minute and the number will jump another 20% by 2021, creating an environmental crisis some campaigners predict will be as serious as climate change. The demand, equivalent to about 20,000 bottles being bought every second, is driven by an apparently insatiable desire for bottled water and the spread of a western, urbanised culture to China and the Asia Pacific region. B . More than 480 billion plastic drinking bottles were sold in 2016 across the world, up from about 300 billion a decade ago. If placed end to end, they would extend more than halfway to the sun. By 2021 this will increase to 583.3 billion, according to the most up-to-date estimates. C . Most plastic bottles, which are used for soft drinks and water, are made from Pet plastic, which is highly recyclable. But as their use grows rapidly across the globe, efforts to collect and recycle the bottles to keep the...
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