We should think of ways to stop p＿ to make our world cleaner

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• We should think of ways to stop p＿ to make our world cleaner
• 英语阅读填空The "green" car has become popular in recent years.It means that a car is environmen-tally friendly.Today,most cars are powered by p_____.They make our lives easier,and there are lots of great things about them.But cars have also made problems for the environment.Two of the biggest problems are n_____ and pollution.With the world's population growing l_____,we have to think of ways to make cars that are better for the environment.One day,maybe y
• we should take a______ to make our world cleaner and more beautiful
• We should think of ways to stop p＿ to make our world cleaner
• 把以下句子变为一般疑问句和反问句：Trees help us in many ways.Trees keep the air cool and clean.They take in harmful gasses from they air.They are major fighters against air pollution.I know trees make our lives more convenient.Many of the things in our daily lives come from trees.Tea comes from the leaves of trees.A lot of furniture is made of wood.I can imagine a world without trees.We should stop doing this.
• we should take a______ to make our world cleaner and more beautiful
• Would you like to ______us in our discussion.
• 反比例函数y=k/x的图象上有一点P(m,n)其坐标是关于t的一元二次方程t的平方