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Unit 22 Environmental Protection 课时练(一) 一、单元考点落实练(练基础)(限时：40分钟) Ⅰ.单词拼写 1．The judge condemned (宣判) the killer to spend all his life in prison. 2．For most people, the car is still their main means (方式) of transport. 3．The enemy soldiers were fleeing (逃跑) in all directions when they were attacked. 4．They advocated (主张) that we should establish a daycare center. 5．It is not worth sacrificing (牺牲) your health for your career. 6．Yogurt (酸奶) is a perfectly acceptable substitute (代替品) for cream in cooking. 7．All children should be encouraged to develop their full potential (潜能)． 8．What experience do you have that is relevant (相关的) to this position? 9．Stick to your principle (原则) and tell him you won't do it. 10．Before he could run away, she seized (抓住) him by the collar. Ⅱ.单句语法填空 1．They were able to position the ships by means of radar. 2．The book referred (refer) to last time has been sold out. 3．The old computer doesn't work; we must substitute a new one for it. 4．A number of high buildings have_arisen (arise) where there was nothing a year ago but ruins. | 
