根据短文内容及所给首字母提示写出所缺单词, 并将完整单词填在下面对应题号后的横线上。 Air is very important to everything t

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根据短文内容及所给首字母提示写出所缺单词, 并将完整单词填在下面对应题号后的横线上。
Air is very important to everything that lives. But the air we breathe is g  1  dirty. People all over the world are looking for w  2  to make it clean again.
Have you e  3  watched the smoke from chimneys(烟囱) rising high in the air? Have you s  4  the smoke from cars and trucks on roads or the smoke from planes? The smoke is not g  5  to breathe. If we want to keep healthy and strong, we need to breathe c  6  air.
W  7  more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p  8 .
Scientists have a  9  taken actions to stop or slow down some of the things that make the air dirty. They will not stop working u  10  we have clean air again.
1.           2.           3.           4.           5.        
6.           7.           8.           9.           10.        

答案

1.getting     2.ways      3.ever       4.seen       5.good
6.clean      7.With      8.pollution   9.already    10.Until

解析

1.空气对所有的生物都很重要。但我们呼吸的空气正在变脏。Get是系动词，因为“变得”；此处是现在进行时。故填getting。
2.世界各地的人们正在寻找清新空气的方法。ways to do sth.“做某事的方法”。故填ways。
3.你曾经看到过从烟囱冒出来的烟吗？ever“曾经”，表示强调。故填ever。
4.你看到过汽车尾气吗？句子是现在完成时，故填seen。
5.这些气体不适合吸入人体。sth. is good to do...“某物适合被用作......。”故填good。
6.我们要保持健康，就得呼吸新鲜空气。故填clean。
7.随着工厂和车辆越来越多，......。介词with有“随着”的意思。故填With。
8.对付空气污染变得越来越难了。air pollution“空气污染”。故填pollution。
9.科学家已经采取措施来阻止......。already“已经”。故填already。
10.科学家将不懈努力，直到空气变干净。not ...until...“直到......才......”。故填until。