2. 职称英语
  3. We can eliminate pollution completely by the year of 2008. [br] Controlling air

We can eliminate pollution completely by the year of 2008. [br] Controlling air

游客2024-06-18  49
问题 We can eliminate pollution completely by the year of 2008. [br] Controlling air pollution is another crucial objective; ______devices can reduce the harmful gases emitted from the engine.
选项
答案 pollution-control
解析 第10段倒数第2句，有必要在汽车尾部安装控制污染的装置来减少污染。
转载请注明原文地址:http://tihaiku.com/zcyy/3639541.html
相关试题推荐
随机试题
最新回复(0)