八年级下册知识点Unit1 一.【精选词汇】㈠重点短语1. the changes to Sunshine Town 阳光镇的变化 →the changes to⋯⋯的变化(p8)〈知识链接〉 change n.变化，常用复数changes。 e.g. Great changes have taken place since 1995.2. in the southern part of town →in the southern part of ⋯在⋯的南部 →south →southern〈知识链接〉 east东部 →eastern东部的 , west →western, north →northern3. in the past 在过去 →at present 现在 →in the future 未来；将来，注意这些短语中的介词和冠词。4. turn the place into a park →turn⋯into⋯把⋯变成 ⋯〈知识链接〉①Heat turns water into vapor. 热使水变成蒸气。②Turn this sentence into English.5. play cards and Chinese chess打牌、下象棋，e.g. It’s pleasant to play cards and Chinese chess.6. water pollution 水污染 →air pollution 空气污染， noise pollution 噪音污染(p9)〈知识链接〉 Water pollution was a problem before. 7. used to dump its waste into water →used to do sth过去常做某事，注意否定式、疑问式的形式〈知识链接〉⑴used to do sth →否定式 used not to do sth 或 didn ’t use to do sth→疑问式 Did sb use to do sth?或 Used sb to do sth? ⑵There be 和 used to 合用的形式为There used to be。根据要求进行句型转换：She used to teach history. ①否定式： She used teach history.或 She didn ’t teach history. ②疑问式：she teach history? 或 Did she teach history?〈用法拓展〉⑴be used to do sth＝ be used for doing sth 被用于做某事，e.g. Stamps are used to send letters.＝Stamps are used for sending letters. ⑵be/become/get used to sth 习惯于某事， be/become/get used to doing sth 习惯于做某事， e.g. ①My grandma used to live in the city but now she has got used to the country life. ②Tom is used to getting up early.8. in some ways 在某种程度上；在某些方面→in this way 以这种方式9. feel a bit lonely from time to time →...
