根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。 Air is very important to everything that lives. But the

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。
Air is very important to everything that lives. But the air we breathe is g 【小题1】 dirty. People all over the world are looking for w 【小题2】 to make it clean again.
Have you ever watched the smoke from chimneys(烟囱) r 【小题3】 high in the air? Have you s 【小题4】 the smoke from cars and trucks on roads or the smoke from planes? The smoke is h 【小题5】 to everyone, especially old people and children. If we want to keep well and strong, we need to breathe f 【小题6】 air.
With more and m 【小题7】 factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p 【小题8】 .
Scientists have a【小题9】 found ways to stop or slow down some of the things that make the air dirty. They will not stop working u 【小题10】 we have clean air again.getting

(答案→)getting 解析：本文叙述了空气正在被污染，变得越来越脏。脏的空气对人们的身体健康有害。为了健康强壮的身体，我们需要呼吸新鲜的空气。但是，随着到处越来越多的工厂，越来越多的汽车，卡车和飞机。空气污染越来越严重。科学家已经找到了办法阻止或减缓一些使空气变脏的事物。【小题1】句意：但是我们呼吸的空气正在变脏。根据People all over the world are looking for w 72 to make it clean again.可知空气变脏了。故此处用getting。【小题2】句意：世界各地的人正在寻找方法使空气再变得干净，look for ways to do sth. 寻找方法做某事。【小题3】句意：你曾经见过从烟囱里冒出的烟升到高空吗？watch sb./sth. doing 看见......正在做......。结合句意，烟应该向上升。故此处为rising。【小题4】句意：你看见过路上汽车或卡车冒出的烟吗？根据Have you ever watched the smoke from chimneys(烟囱) r high in the air? 可知此处是指看到汽车或卡车里冒出的烟。又因此处用现在完成时，故用过去分词seen。【小题5】句意：那些烟对每个人都有害。be harmful to对......有害，故此处为harmful。【小题6】句意：为了保持身体健康和强壮，我们需要呼吸新鲜空气。根据If we want to keep well and strong,可知身体要健康，应该呼吸新鲜空气，故此处为fresh。【小题7】句意：随着到处越来越多的工厂，越来越多的汽车，卡车和飞机。more and more 越来越多。【小题8】句意：处理空气污染变得越来越难。根据With more and m factories everywhere and more and more cars, trucks and planes可知他们排除的烟越来越多，空气污染越来越严重。air pollution空气污染。【小题9】句意：科学家已经找到了办法阻止或减缓一些使空气变脏的事物。用于现在完成时，故此处用副词already。【小题10】句意：知道我们再次有干净的空气，他们才停止工作。 not ......until.......“直到......，才.......。”

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