【人教版】新目标2021版八年级上英语：Unit2知识点期末复习学案

1、Unit2 How often do you exercise?一、知识点1. -How often do you usually go shopping? Sometimes/Twice a week. 有时候/一周两次.1) go shopping 意为“去购物”。Go+ v- ing : 表示进行某项活动。如：Go swimming/ shopping/skating/skiing/fishing/climbing/hiking 2)频率副词：always=all the time, usually, often, sometimes=at times , hardly ever, ne

2、ver (1).sometimes: 有时候；sometime：某时；some times：许多次/倍; some time: 一段时间hard (2). hardly(adv): 几乎不 硬的；困难的；严厉的；勤奋的 a hard writer 努力地； 猛烈地 study/rain hard 3）how often表示“多久一次”，是对动作的频率进行提问。其回答通常有： 频率副词：always, usually, often, sometimes, hardly ever, neverhow often 次数时间段: 如：once or twice a week every 时间段: ev

3、ery day (每天) 区别：everyday（每天的；日常的）注意：表示“一次或两次”时，一般用once和twice表示。如：once a month(一个月一次)而表示“三次或以上”时，则用“数词times”结构。如：five times a year (一年五次)2.由how构成的疑问词组的用法“多少”（1） howmany+ 可数名词复数 如：how many programshowmuch+不可数名词。如：how much coffee 但how much=whats the price of.? 还有“多少钱”的意思如：Howmucharethosepants?(2)how ma

4、ny times: “多少次”. 其答语表示次数。如：once ,twice，three times等(3) How old.? 询问年龄如：How old are you? I am five.“how long?”(4) 多久(时间) 常用for two days，for three hours等回答。 多长（某物的长度） 如：-How long is the river? - 10 kms. (5)how soon 用来询问过多久，多久以后，其答语是in two hours，in three days等。如：How soon wil he come back？ In an hour。3.

5、 “空闲的”：Are you free tonight? 4. at least 至少 at most 最多be free “自由的”： a free country freedom(n) 5. stay up 熬夜 “免费的”： work for free. 6. junk food 垃圾食品full7 “满的；饱的” be full of : The bottle is full of water. 瓶子里装满了水。“忙的”=busy He had a full life 8She says its good for my health. 她说那对我的健康有益。（1）be good for

6、：“对有好处”。 如：Doing exercise is good for our health.（2）be good at：“擅长于” 如：He is good at playing football.(3) be good to sb./sth: “对好” 如：The old woman is good to us. (4) be good to do sth.: “适合；宜于” 如：The water is good to drink. (5) be good with: “与相处好” 如： The teacher is good with his students.9go online

7、 = use the Internet ：上网10. Teenager magazine 青少年杂志11. more than two hours=over two hours:超过 12. go to the dentist: 去看牙医13. keep healthy = stay healthy = keep in good health: 保持健康14. ask sb. to do : 叫做某事 Teacher asked me to clean the classroom. ask sb. not to do sth.: 叫不要做某事 Teacher asked me not to c

8、lean the classroom. ask sb. about sth. : 问某人某事 We asked our students about their free time activities. ask sb. for sth. : 向某人要求 如：ask teacher for help 15. help sb. with sth. 如：They help me with this problem. 他们帮助你解决这个问题。 help sb.（to）do. 如：They help you (to) solve this problem. 他们帮助你解决这个问题。16. (n) 惊讶

9、: to ones surprise 令某人惊讶的是 in surprise 惊讶地 surprisebe surprised at sth. 对 感到意外 (v) 使惊奇、意外： be surprised to do sth. 惊讶做某事 be surprised that + 从句如：I was surprised at the news = I was surprised to hear the news.17. fifteen percent of the students 百分之十五的学生 16. swing dance 摇摆舞18. although(conj):“尽管；虽然”，表

10、示转折关系，同义词有though, 不能与but同时使用。如： Although theyre neighbors, they dont play together. = Theyre neighbors, but they dont play together. 尽管他们是邻居，但是他们不在一起玩。19. maybe (adv): 也许，大概 (Maybe) he (maybe) knows it. May + v(原)：也许，大概 He may know it.如：Maybe he is at home.= He maybe is at home.= He may be at home.2

11、0. Old habits die hard. 恶习难改. die(v):死亡；消失 death(n): 死亡；dead(adj): 死的； dying(adj): 垂死的；临终的；（植）枯萎的 dying wish-遗言21.Here are the results. 以下是结果。22. Most students use it for fun and not for homework.23.You can spend time with your friends and family as you play together.spend 度过（时间） 如：spend the weekend

12、 with family 花费（时间、钱） 如：He spent 20 yuan (in) buying the magazine.（V-ing) 同义句：He spent 20 yuan on the magazine. He paid 20 yuan for the magazine. It took him 20 yuan to buy the magazine.（动词用不定式）二、重点句子1. 在周末你干什么？我通常看电视。What do you do on weekends? I usually watch TV.2. 你多久看一次电视？每天都看。How often do you w

13、atch TV? Every day.3. 下星期对我来说相当忙。It is quite full for me next week.4. 你正在学什么舞蹈？What kind of dance are you learning?5. 她多久帮助做一次家务？How often does she help with housework?6. 你放学后通常做什么？What do you usually do after school?7. 你每天晚上睡几个小时？How many hours do you sleep every night?8. 你爸爸每年去几次北京？How many times

14、does your father go to Beijing?9. 大部分学生使用互联网娱乐。Most of the students use the Internet for fun.10. 虽然许多学生喜欢看体育，但是游戏类节目是最受欢迎的。Although many students like to watch sports, game shows are the most popular.11. 通过使用互联网或观看游戏节目来放松是好的。It is good to relax by using the Internet or watching game shows.12. 我们认为放松

15、的最好办法是通过锻炼。We think the best way to relax is through exercise.13. 当你们一起玩的时候你能花时间和朋友家人在一起。You can spend time with your friends and family as you play together.14. 有百分之多少的学生根本不锻炼？How many percent students do not exercise at all?15. 她通常每天看两个多小时的电视。She usually watches TV for more than two hours a day.16. 她从来不去看牙医去清洁牙齿。She never goes to the dentist for teeth cleaning / to clean teeth.三、单元语法 频率表达法次数+时间段 表示在某段时间内做某事的次数 once a week, twice a month, three times a yea