one的用法 1.作数词用，表示数字“一”或者“一个”;2.作形容词用,表示“同一的、一致的”;如: One world, one dream.同一个世界,同一个梦3.作代词用: (1)泛指某种意义上的一个人或物;如: One must believe in something.人一定要有信仰。 (2)为了避免重复,用来代替上文提到过的某一个可数名词;如:There are many flowers here. A yellow one, a pink one and a blue one. 这儿有许多花。一朵黄的、一朵粉的和一朵蓝的。

Part B Look and talk Lf Shan,where did you go on your holiday?Kevin: I went to Shandong. Li Shan: Who did you go with?Kevin: I went with my friends.LIShan:What did you do there?Kevin: We climbed Mount Tai.L/ Shan: Sounds great.