垃圾是放错地方的资源,做好分类利国利民。生活中,垃圾分类虽是小事,却不是易事。要将“小事”变成“易事”,公民应该( )
①完善基础设施,实现垃圾资源化利用
②强化监督检查,处罚乱放垃圾的行为
③树立环保意识,掌握垃圾分类的知识
④养成良好习惯,践行绿色低碳的理念
①②
①④
②③
③④
It _____ last week that the haze(雾霾)in Beijing caused many problems.
—I didn’t hear you come in just now. — That’s good. We tried ____any noise, for you were sleeping.
—_____is it from the village to your farm? — About 10 minutes’ walk.
—Have you asked the policeman _______? — Yes. He told us to turn left onto Main Street. It’s on the right.
Mo Yan won the Nobel Prize for Literature last year. ________ excellent he is!