Unit 1 The Changing World. Topic 3-2021-2022学年九年级英语上册课后培优练（仁爱科普版）

Unit 1 The Changing World Topic 3 本课重点 1.掌握重点词汇短语及句型 2.掌握现在完成时与延续性动词的连用 本课难点 1.能区别since和for引导的时间状语用法 2.能在具体语境中，将短暂性动词转换成延续性动词 常考句型 1. You have been in New York for a long time 2. How do you like living there? 3. The city has improved a lot since I came here a few years ago. 4. The world has changed for the better. 5. Since it started, it has helped hundreds of people return to work and live a normal life . .... 基础过关 一、词汇过关（完成并熟记下列重点单词及拓展） art n.—__________n.(艺术家) visit n.—_________n.(游客) chemistry n.—__________adj./n. treat v.—____________ n. home+less__________adj.—_____________n. train v./n.—____________n.(培训) steal v.—________(过去式)—__________(过去分词) value n.—___________adj. contribute v.—______________n important adj.—______________n. 二、短语过关（完成并熟记下列的重点短语） 1)have been in________________ 2)来参观____________________ 3)数以百万计的 __________________ 4)as a matter of fact __________________ 5)习惯 _______________