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Ⅰ. 单项填空 1. (2017·广安模拟)Measures must be taken to prevent pollution happily. A. from we live B. for us to live C. us living D. from our living 2. She has been over his strange letter for several weeks, but she still figures out nothing about it. A. puzzling B. worried C. troubled D. anxious 3. (2017·巢湖模拟)Our football team will compete against the American team this evening. Let’s go and them , shall we? A. cheer; upB. join; up C. add; up D. pick; up 4. (2017·北京模拟) you are familiar with the author’s ideas, try reading all the sections as quickly as possible. A. Now thatB. Ever since C. In case D. As long as 5. (2017·邯郸模拟)The plan just because people were unwilling to cooperate. A. put downB. pulled down C. turned down D. broke down 6. (2017·上海模拟)Smokers who regularly drink are nearly to suffer from lung cancer as smokers who don’t drink, according to a new study in Cancer Research. A. twice likely asB. twice as likely C. as twice likely D. as likely as twice 7. a certain doubt among the workers as to the necessity of the work. | 
