用方框中所给词或词组的适当形式填空,使短文正确、通顺,每词限用一次
（live ,million ,environment ,depend ,support ,of ,healthy ,protect ,danger ,change ）
Why should we care What is happening to the（）?Global（全球的）warming,greenhouse gases,destruction （破坏）of forests ,pollution of oceans ,air and land are all harming the environment that animals （）on .Many animals today are facing extinction （灭绝）because（）the changing environment .Actually ,changes in the environment are not something new .The environment has been changing for（）of years ,and many animals have adapted to （适应）the（）.But now the changes are happening too quickly for some animals to adapt ,and they are in （）of extinction.
If all the forests are cleared and the oceans and air are polluted ,the balance of nature will be destroyed and the Earth will not be able （）any life.The best way to save endangered （濒临灭绝的）animals is to protect them and provide safe places for them to live .Many countries have set up （）areas where animals can live .Areas of forest ,wetlands and oceans have also become wildlife protection areas .To help animals live（）it is impartant to understand how animals live in the wild and their different （）environments.