02 Unit 2 -2020年暑假新八年级英语复习巩固与新知（人教版）

Unit2 How often do you exercise? 一、词型转换 Section A 1. ever → (反义词) never 2. shop → (现在分词) shopping 3. full → (反义词) empty 4. read → (pt.) read Section B 1. active → (n.) activity →(v.)act 2. health → (adj.) healthy → (反义词) unhealthy 3. body → (pl.) bodies 4. die → (pt.) died 5. write → (n.表人) writer 6. keep → (pt.) kept → (pp.) kept 7. little → (比较级) less→ (最高级) least 8. though → (同义词) although 二、短语归纳 1. how often 多久一次 2. help with housework 帮忙做家务 3. watch television 看电视 4. on weekends 在周末 5. go to the movies 去看电影 6. hardly ever 几乎不；不曾 7. once a day 每天一次 8. twice a week 每周两次 three times a month 每月三次 9. use the Internet 上网 10. have dance and piano lessons 上舞蹈课和钢琴课 11. play tennis 打网球 12. at least 至少，不少于 13. junk food 垃圾食品 14. drink milk 喝牛奶 15.swing dance 摇摆舞 16.go online 上网 17. three or four times a week 一周三到四次 18. be good for 对……有好处 19. go camping in the country 去乡下露营 20. play sports 做运动 21. one to three times a week 一周一至三次 22. such as 例如，像…这样 23. fifteen percent of our students 我们百分之十五的学生 24. go to the dentist 去看牙医 25. more than 多于 26. less than 少于 三、句型集萃 1.How come?=Why？ 为什么呢？怎么会呢？ 2.ask sb. to do sth. 叫某人做某事 3.the answer to the question 问题的答案 4.not…at all 根本不 5.be full of 充满的 6. be good for+名词./代词 对某人/某物有好处 7.be good to+名词/ 代词 对某人/ 某物好（和善、慈爱） 8.be good with ……和……相处得好 9.although…… 虽然……（不可以与but连用） 四、难点讲练 1.How often do you exercise？ 你多久锻炼 一次？ （1）how often表示“多久一次”。用来询问动作的频率。其答语通常是once a day, often, usually, every day, never, sometimes, three times a week等。 e.g. How often do you watch TV? 你多久看一次电视？ ---How often does he eat vegetables?他多长时间吃一次蔬菜？ ---Every day.每天。 【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。 e.g. She exercises two or three times a week. 她一周锻炼两三次。 She exercises the dog every day. 每天她都遛狗。 【拓展】exercise作名词时，意为“锻炼；运动”时是不可数名词，意为“体操；练习”时是可数名词。 e.g. I should eat less food and take more exercise. 我应该少吃饭，