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1、Unit 2 How often do you exercise?单元知识小结；一、 典型单词1、 关于频率副词：always, usually, often, sometimes, hardly (ever), never, once a week, twice a month, three times a year, a few times a week, every day, almost every day 等A：always 与never 互为反义词。 B: 区分some time一段时间, sometime某时, some times数次, sometimes有时C: 区分hard
2、与hardly (ever): hard 勤奋，努力，艰苦，困难；hardly几乎不D: 位置：be/助动词之后，实意动词之前；对频率提问一般用how often, 常用一般式。2、 Free: A: 空闲，有空be free = have time反义词为be busy ; B: 免费的。3、 Health的相关单词： health(名)健康；healthy(形)健康的；healthily(副)健康地；以及unhealthy, unhealthily4、 over的用法：A 在以上，与below相反； B 超过，多于=more than ,反义词为less than.5、 none的用法：没
3、有一个，常构成none of ; = no one / nobody 或 nothing. 6、 构词法： write writer, work worker, teach teacher; act actor, visit visitor.二、 重点短语：1、help (sb) with sth / help sb (to) do sth 帮助某人做某事 2、go shopping / swimming / fishing / camping / skating 去购物/游泳/钓鱼/宿营/滑冰室外；do some shopping/cleaning/reading室内； 3、 at leas
4、t 至少 4、stay up (late) 熬夜，加班 5、play sports = do sports = exercise 锻炼，运动 6、want (sb) to do sth想要（某人）做 - ask / tell sb to do sth要求/告诉某人做 / ask / tell sb about sth问/告诉某人关于 7、such as 比如，列如 8、be good for 对有益- be bad for 对有害 9、be smart about注意，关注 10、spend time with sb 与某人一起度过 -spend + 时间+doing sth花多少时间做某事
5、- spend + 时间+on sth 花多少时间在什么事上 11、three or four times三四次 / three to four times三至四次 12、learn about 学习，了解三、 典型句子：1、What do you usually do in your free time? I always exercise. -问习惯2、How often do you watch TV? I watch TV every day. / Never! -问频率3、How many hours do you sleep every night? I sleep nine ho
6、urs every night. 多少小时4、Twenty percent of the students dont exercise at all. 百分之二十 / 一点也不5、Most students use the Internet for fun and not for homework! 为了好玩不是为了作业6、The answer to our questions about watching TV were also interesting. answer / way /key to The best way to relax is through exercise.放松的最好
7、方式是靠锻炼7、Although many students like to watch sports, game shows are the most popular.关联词只用一个哦！8、It is good to relax by using the Internet or watching game shows.通过上网或看游戏节目来放松很好9、Jane is a 16-year-old high school student in the United States.10、However, she has some bad habits, too! 然而，她也有一些坏习惯11、The other ten percent use it at least three or four times a week.其他的百分之十（给定范围内其他的）四、 交际功能：1、 How come! 为什么呢！怎么会呢？2、 Old habits die hard.旧习难改3、 Good for you! 你好样的！ 4、Dont worry - You can do it!不要担心，你行！
八年级上unit2单元知识小结
