Listen to a short passage three times. When the passage is read for the first time, listen for its general idea. When the passage is read for the second time, fill in the blanks with the exact words you hear. When the passage is read for the third time, check what you have written.(第一、二遍听慢速,第三遍听正常语速) (填空提示:proportion, estimate, profound, potential, economically, pension, originate, residential, pose, transform)