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这几个填什么?as we all know,there are many kinds of pollution in o

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这几个填什么?
as we all know,there are many kinds of pollution in our life,such as water pollution,noise pollution and air pollution.A__1___ these air pollution is one of the most serious problems.P__2___ air can make us sick or even kill us.Everyone wants to stop it,but it is a difficult problem to solve.Most of our air pollution is caused by things people need,such as cars and airplanes.Then cause pollution but they also p__3__ transprotation.And factories cause air pollution but they provide people with j__4__ and products.In crowded cities,factories and cars can add tons of pollition to the air everyday.Nobody likes air pollution.It smells bad;it makes it difficult to b__5__.It even d__6__ the plants that provide us with food.No wonder we get sick.It is dangerous to everyone's h__7__.And everyone should know it.When air pollution can even damage strong materials like steel and concrete,think what it does to poor humans.
这几个填什么?as we all know,there are many kinds of pollution in o
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Polluted
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health
how many kinds of pollution are there? 英语翻译There are many kinds of pollution around us .such as air as we know,there are many situations in everyday life__infor There are all kinds of food in the f() There are many flower we can see ()flowers 为什么填all kinds of?many kinds,many kinds There are many kinds of food in the restaurant ,all of them 英语翻译There are all kinds of animals in the world.Many people There are all kinds of machines.They 1 in many different way We are s______ there are all kinds of animals in the reserve We are s____ there are all kinds of animals in the reserve. There are many kinds of jobs in the world,such as reporter,p There are many kinds of plants all over the w___.