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课时提升作业(二十二) 选修7 Unit 3 Ⅰ. 单项填空 1. (2017·常州模拟)I am really grateful to Mr. Smith. Without his help, Ithe entrance examination. A. would not pass B. would not have passed C. could not be able to pass D. could not pass 2. (2017·唐山仿真)The scientist corresponds with colleagues in order to learn about mattersto her own research. A. relevant B. instant C. resistant D. important 3. (2017·宁波模拟)My calculations were based on thethat house prices would remain steady. A. theory B. regulation C. procedure D. assumption 4. (2017·山东实验中学模拟)We are at your service. Don’t hesitate tous if you have any further problems. A. appeal to B. turn to C. come to D. apply to 5. In their efforts to persuade us to buy that product, shopkeepers have made a close study of human nature and have all our little weaknesses. A. divided B. arranged C. classified D. separated 6. —David, keep in mind that you have to be home by 10 o’clock. —OK, Mom. I will. A. it B. me C. this | 
