Save the Environment to Save Ourselves

2016-01-07 20:47:1004:45 3098
所屬專輯：英語語音教程錄音
聲音簡介
Save the Enviornment to Save Ourselves
Earth's animals are disappearing faster than they reproduce. Many different kinds of plants and animals are becoming extinct. Every year, one-half of one percent of the living things in the tropical rain forests become extinct. Some disappear before they are found and named. No one has time to study them before they are gone. Today, 740 different living things are listed as either threatened or endangered. Another 400 species are waiting to be added to the list. However, some of those 400 species have become extinct while waiting.
The disappearance of species worries scientists and enviornmentalists. They want the enviornmental protection acts to be made stronger. Otherwise, nature's treasures are disappearing before we know about them. The cure for cancer or AIDS, for example, may be hiding in the rain forest. With such riches, many believe, we must save the enviornment to save ourselves.

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