2013版新目标英语八年级上unit2[公开课].doc

Unit 2 How often do you exercise? 一、词型转换 Section A ever → (反义词) never shop → (现在分词) shopping full → (反义词) empty read → (pt.) read Section B →(v.)act active → (n.) activity health → (adj.) healthy → (反义词) unhealthy body → (pl.) bodies die → (pt.) died write → (n.表人) writer keep → (pt.) kept → (pp.) kept little → (比较级) less→ (最高级) least though → (同义词) although 二、短语归纳 Section A how often 多久一次 read English books 看英语书 of course 当然 on weekends 在周末 go to the movies 去看电影 hardly ever 几乎不；不曾 every day 每天 once a day 每天一次 twice a week 每周两次 three times a month 每月三次 use the Internet 上网 have dance and piano lessons 上舞蹈和钢琴课 play tennis 打网球 help with housework 帮忙做家务 at least 至少，不少于 Section B junk food 垃圾食品 drink milk 喝牛奶 three or four times a week 一周三到四次 eat fruit 吃水果 want sb. to do sth. 想要某人做某事 be good/bad for 对……有好处/坏处 go camping in the country 去乡下露营 play sports 做运动 one to three times a week 一周一至三次 such as 例如 fifteen percent of our students 我们百分之十五的学生 go to the dentist 去看牙医 more than 多于 less than 少于 重点句子 how often do you exercise? 你多久锻炼一次 —What do you usually do on weekends? —周末你通常干什么？ —I usually play soccer. —我通常踢足球。 She says it’s good for my health. 她说这对我的健康有好处。 How many hours do you sleep every night? 你每天晚上睡多少个小时？ And twenty percent do not exercise at all! 并且百分之二十的学生根本不运动！ The answers to our questions about watching television was also interesting. 对于我们看电视这个问题的回答也很有趣。 It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 通过上网或看娱乐节目放松是好的，但是我们认为最好的放松方式是通过锻炼。 It is healthy for the mind and the body. 它对于大脑和身体是健康的。 合作探究 难点讲练 ·讲一讲 1· How often do you exercise？ 你多久锻炼一次？ （1）“how often”是对表示频度的时间状语的提问，可翻译为“多久（一次）”。例如： How often do you watch TV? 你多久看一次电视？ 【拓展】与how有关的短语：how far(距离)多远；how long(时间)多长；how many多少(只可接可数名词的复数形式)；how much多少（只可接不可数名词）；how soon(时间)多久后（事情还要过多久才发生）；how old(年龄)多大。 (2)exercise做动词时，可作及物动词，也可作不及物动词。例如： She exercises two or three times a week. 她一周锻炼两三次。 She exercises the dog