↑ 收起筛选 ↑
试题详情

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 ________1.________ dirty. People all over the world are looking for w________2.________ to make it clean again.

Have you ever watched the smoke from chimneys(烟囱) r________3.________ high in the air? Have you s________4.___ the smoke from cars and trucks on roads or the smoke from planes? The smoke is h________5.________ to everyone, especially old people and children. If we want to keep well and strong, we need to breathe f________6.________ air.

With more and m________7.________ 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.________ found ways 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.

九年级英语其他题中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题