07 Unit 4 Protecting the Environment 单元测试--英语沪外版选择性必修第三册

单元测试 一、用单词的适当形式完成短文 Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank. Throughout the world, only 15% of the material that are used to make clothing is properly recycled, according to the Alle SacUrthur Club, an organization in Liverpool, UK, that boosts the circular economy. Most clothing waste—an ___1___(estimate) 82 million tonnes from the fashion industry alone-produced every year ends up buried or burnt. ___2___(handle) all that waste, methods to recover and reuse the material are intended as an active response to the future risks by researchers and start-up companies. Much of their focus is on chemical recycling, ___3___ the material is broken down into its building blocks and applied to create new materials, including fibres that ___4___ (weave) into new clothes. The challenges lie in ___5___ (develop) the processes for such treatment. They have to be practical, but they also have to be at least as cost-effective as simply making new fibres. ___6___ the natural cellulose fibres from cotton, some other materials include human-made cellulosic fibres. They are derived from wood-pulp cellulose and may be used to produce materials such as viscose (rayon) and a similar material called lyocell. A change in the manufacturing process is being applied to the textile-waste problem by Essen, a start-up in Seattle, Washington. ___7___ the company has fundamentally devoted to the process is that it uses discarded textiles, instead of wood, as the source of its cellulose. It has also adjusted the process to produce a fibre that the firm’s co-founder and president Christo Stan says is superior to ___8___ other cellulosics and cotton, and that can be recycled more times. Although there are abundant technical challenges, the main barrier ___9___ widespread