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Unit 2 How often do you exercise?
- 重要短语
- help with housework 帮助做家务do housework 做家务
- hardly ever 几乎不 eg: She hardly everhelps with housework.
- once a week 一周一次 twice a month 一月两次
three times a week 一周三次 a few times a week 一周几次
one to four times a week一周一至四次 once or twice a week一周一两次
- 4. use the Internet使用网络eg: I use the Internet about once a week.
- 5. have piano lessons上钢琴课eg: I have piano lessonstwice a week.
- 6. at least至少 eg: He plays soccer at leasttwice a week.
- 7. eat ahealthy breakfast[吃一顿健康的早餐
- 8. improve one’s English提高某人的英语
eg: We can improve our English by watching English movies.
我们可以通过看英文电影提高英语。
- 9. junk food 垃圾食品
- 10. be good for 对......有益 be bad for...对.....有害
eg: Don’t eat too much junk food because it’s not good for our health.
不要吃太多垃圾食品因为它对我们的健康有害。
- want sb to do sth 想让某人去做某事
eg: My mother wants me to drink milk every day because it’s good for my health.
- in one's free time 在某人的空闲时间
- the result of…......的结果
- Here are the results. 这是结果。
- 15. not...at all 一点儿也不……
eg: Twenty percent of our students do not exercise at all.
20%的学生一点儿也不锻炼。
- 16. go online 上网
- 17. the answer to the questions这些问题的答案
- the most popular 最受欢迎的
- 19. the best wayto do sth.做某事的最好方式
eg: The best way to relax is through exercise. 放松的最好方式是通过锻炼。
20.such as 例如 （通常用于列举）
eg: Exercise such as playing sports is fun. 像体育运动这样的锻炼是挺有趣的。
eg: He is good at many kinds of sports, such as playing basketball , playing soccer and so on. 他擅长于各种体育运动，例如打篮球求、踢足球等等。
21.spend time with sb[与某人共度时光
eg: You can spend time with your friends and family as you play together.
你可以和你的朋友与家人共度时光，当你们在一起玩的时候。
- 22. play together 一起玩
- 23. Old habits die hard. 旧习难改。网ZXXK]
- 24. go to the dentist 去看牙医
eg: She never goes to the dentist for teeth cleaning.她从不去.Com]
25.more than多于;超过 =over less than少于
eg: She often watches TV more than two hours a day.
她经常看电视一天超过两小时。
- 26. go to the shopping center去购物中心
- 重要语法点
- 频率副词
- 概念：频率副词是用来表示动作发生频率的词。
| 频率副词 | 词义 | 频率 | 例句 |
| always | 总是 | 100% | Tom is always late for school.汤姆总是上学迟到。 |
| usually | 通常 | 90% | We usually go to the cinema four times a month.
我们通常一个月去四次电影院。 |
| often | 经常 | 80% | It often rains here in April.这里四月份经常下雨。 |
| sometimes | 有时 | 50% | Sometimes I go to work by subway.我有时候乘地铁去上班。 |
| hardly ever | 几乎不 | 10% | I hardly ever play computer games on weekdays.
我几乎从不在工作日玩电脑游戏。 |
| never | 从不 | 0% | My sister is afraid of water,so she never goes to swim.我妹妹怕谁，所以她从不游泳。 |
- 频率副词在句中的位置
频率副词常放在实义动词前，be动词、情态动词和助动词后，但sometimes的位置较为灵活，还可以放在句首或者句末。
- 对句子中的频率副词进行提问，用how often 。
- 重点对话
| 1. 询问及回答做某事的频率 | 2.询问及回答日常活动 |
| A: How often do you go to the movies?
你多久去看一次电影？ |
A：What do you usually do on weekends?
你在周末通常做什么？ |
| B: I go to the movies maybe once a week.
我大概一个月去看一次电影。 |
B: I always exercise.
我总是会锻炼身体。 |
- 辨析hard / hardly / hardly ever
hard : ① adj.困难的 = different
eg: The question is so hard that I can’t answer it.
这个问题太难了以致于我无法回答。
② adv. 努力地；猛烈地
eg: All of my classmates study very hard.我所有的同学都努力学习。
eg: When we got to the top, it was raining really hard.
当我们到达山顶时，雨下得很大。
hardly : 几乎不 （这个单词本身含有否定意义，句中不能再出现no、not、never）
eg: It’s too noisy outside, he can hardly sleep.外面太吵了，他几乎无法睡觉。
hardly ever :频率副词“几乎不曾”
eg: He hardly ever watches TV. 他几乎不看电视。
（hardly ever只用来表示频率，hardly可以用在任何句子里。）
- What’s your favorite program？= What program do you like best？
你最喜欢的节目是什么？
- full :
① 忙的 = busy eg: Next week is quite full for me. 我下周相当忙。
② 满的 be full of... “充满；填满” eg: The box is full of books.箱子装满了书。
- 辨析maybe与may be
maybe是副词，意为“也许；可能；大概”，常位于句首。
may be是“情态动词+be动词原形”一起作谓语，意为“也许是；可能是”。
eg: Maybe he is right = He may be right. 他也许是对的。
eg: Maybe his favorite color is black. = His favorite color is black.
或许，他最喜欢的颜色是黑色。
- 辨析health和healthy
health : 不可数名词，意为“健康”。
常用短语：be in good health身体健康 be in bad health身体不好
healthy：形容词，意为“健康的”。（反义词：unhealthy）
常用短语：keep/stay healthy保持健康
eg: Good food and exercise can help us to keep (health / healthy).
eg: I like drinking milk because it’s good for my (health / healthy).
- How many+可数名词复数 “多少......”
eg: How many hours do you sleep every night ? 你每晚睡多少个小时？
eg: How many questions are there? 有几个问题？
- ask v.询问；要求
- ask sb about sth询问某人关于某事
eg: We asked our students about their free time activities.
我们询问我们的学生关于他们的业余活动。
- ask sb（not）to do sth让某人（不）做某事
eg:Our parents ask us not to use the Internet every day.
我们的父母要求我们不要每天上网。
- ask sb for sth 问某人要某物 ask sb for help向某人寻求帮助
- surprised:形容词 “感到惊讶的”（主语是人）
- be surprised that ....对......感到惊讶 （that后跟句子）
- be surprised at sth对某物感到惊讶 eg: I’m surprised at the result.
- be surprised to do sth 对做某事感到惊讶
eg: They are surprised to meet each other in the street.
他们对在街道上见到彼此和惊讶。
- although : 连词“虽然；尽管”= though
不能与but连用（句子中有although没but,有but没although）
eg: Although many students like to watch sports, game shows are the most popular.虽然很多学生喜欢看运动类节目，但是游戏类节目才是最受欢迎的。
- It’s + adj. + to do sth “做某事是......的”
eg: It’s good to relax by using the Internet or watching game shows,
通过上网或者看游戏类节目来放松是很好的。
- by：介词，“通过”
- by + 名词 by bus 乘公共汽车
- by + v.-ing
eg: We can improve our English by watching English movies.
我们可以通过看英文电影提高英语。
- 辨析through和across
- through和across都是介词，意为“穿过”。across指从事物表面穿过，如： go across the road t穿过马路；through指从事物内部穿过，如：go through the forests 穿过森林。
- through 还可以表示“凭借”
eg: The best way to relax is through exercise. 放松的最好方式是通过锻炼。
- none : 代词，“没有一个，毫无”。既可以指人，也可以指物。
eg: ---How many hours do you watch TV every week ?你每周看几个小时电视。
---None.毫无（一个小时都没有）。
- 单元写作
（本单元主要围绕free time activities业余活动这个话题，谈论日常生活习惯是否健康，以及如何保持健康的生活方式。)
简（Jane）是一名中学生，她有一些不好的生活习惯。请你根据表格关于简的生活习惯，写一篇英语短文，针对简的不良生活习惯给她一些建议。
| Jane | Habits | How often |
| Watch TV | Every day(at least two hours) | |
| Stay up late to read books | Often | |
| Eat junk food | Four times a week |
Jane is a middle school student. She watches TV for at least two hours every day. She often stay up late. Also, she eats junk food four times a week.
I think , first of all, Jane should spend less time watching TV. Then she will have more time to read. Second, she should go to bed early and get up early. It’s bad for our health to stay up late. Third, she can’t eat too much junk food. She should eat more vegetables and fruit. And it’s healthy to drink a lot of water every day. To keep healthy, we should do more exercise.
