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Unit 3 Buying and Selling 【 模擬試題 】(答題時間: 30分鐘) 一 . 單項選擇 ( ) 1. A man e _____ buy some cookies for his son. A. to B. up to C. up D. for to ( ) 2. You can buy four cookies _____ just one dollar. A. on B. with C. by D. for ( ) 3. What is the new product_____? A. for B. from C. do D. cost ( ) 4. I _____ think it _____safe. A. \,isn39。t B. \,doesn39。t C. don39。t, is D. don39。t, doesn39。t ( ) 5. He wanted to make _____t hat people would want to buy. A. anything use B. something useful C. something use D. useful something ( ) 6. This is a factory_____1,000,000 workers. A. has B. with C. for D. have ( ) 7. That39。s _____ than in 1999. A. expensive