Recycling means _____________ .·extracting useful materials 试题答案_出自青书学堂系统佳木斯大学语言治疗学

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Recycling means _____________ . ·extracting useful materials from natural materials ·extracting useful materials from waste materials ·selling waste materials to earmoney ·making profits by selling water materials
答案是:单选题 ·costs money ·To discuss the benefits of recycling ·Businesses can make money by recycling but individuals can not. ·getting everyone involved ·extracting useful materials from waste materials 出自佳木斯大学语言治疗学青书学堂系统佳木斯大学
更多试题>>>> 1、We drop a piece of metal into a jar full of water. The metal will float if it weighs less tha__________. ·aequal amou 2、The word "immersed" ithe 2nd paragraph means ________. ·very heavy ·raise or lift ·under wa 3、Archimedes was borabout ___________. ·287 BC ·281 BC ·212 BC ·278 BC 4、A good title for this selectiois ________. ·Archimedes ·Archimedes's Principle ·A Gold and Silver Crow 5、Archimedes solved a royal problem for the kind of __________. ·Rome ·Greece ·Syracuse ·E

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