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（4）表示“每一”的意思，相当于every。例如： Take the medicine three times a day. They go to see their parents once a week. 2.定冠词用法 （1）特指某（些）人或某（些）事物。例如： The book on the desk is an English dictionary. Beijing is the capital of China. （2）指说话人和听话人都熟悉的人或事物。例如： Open the door, please. Jack is in the library. （3）上文提到过的人或事物。例如： Yesterday John’s father bought him a new bike. The bike cost him 200 yuan. （4）表示世界上独一无二的事物。例如： The sun rises in the east and sets in the west. （5）用在序数词和形容词最高级之前。例如： Shanghai is the biggest city in China. January is the first month of the year. (责任编辑：admin) |