Trees can be find all over the world

如上

Trees can be found all over the world.One tree can be home to thousands of living things.It keeps them away from other animals and b_______weather.It gives them food to eat and a place to make "houses",too.All of us konw that birds I________in the forests.Some birds have I_________mouths.This kind of mouth can help them find insects in the tree.They are sure that f________are the best place for them to live in.Over half of the world's plants and animals live in the rain-forests.But more and more trees in rain-forests are cut down for wood and the rain-forests have been turned into f________for growing rice and vegetables.The rain-forests in some parts of the world are gone.Today,too many trees are still being cut down.The rain-forests are also being k______by acid rain.This is because of the s_________and dirty water from cars and some factories.This is because of the falls on the trees to make the leaves dry and it s_________the trees from growing well.In a few years,there will be noforests at all. Some s_______say that one kind of animal is lost from the e_______every half year as these rain-forests are gone.Many animals need the rain-forests to live in. 答案： bad live large forests fields killed smoke stops scientists earth

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