Unit 1 How often do you exercise?一、单元目标：1. Wh-问句2. How often ...?问句3. 表示频率的副词4. 不定代词 all, most, some, none 的用法二、重点单词：always adv. 总是 usually adv. 通常 often adv. 经常 sometimes adv. 有时 hardly ever 几乎不曾；很少 never adv. 从不exercise v. 锻炼 n. 练习 shop v. 购物 n. 商店 skateboarding n. 溜滑板运动 once adv. 一次 twice adv. 两次 three times a week 一周三次 every day 每天 milk n. 牛奶 junk food 垃圾食品 drink v. 喝 n. 饮料三、重点短语：how often 多长时间一次 a lot of 许多 look after 照料 try to do sth尽力去做某事 start with 以...开始 as for 至于 make a difference 有重要性 do exercise 做运动 surf the internet 上网四、重点句子1. What do you usually do on weekends? 周末你通常做什么？I usually play soccer. 我经常踢足球。2. What do they do on weekends? 他们周末干什么？They often go to the movies. 他们经常去看电影。3. What does he do on weekends? 他周末干什么？He sometimes watches TV. 他有时候看电视。4. How often do you shop? 你经常购物吗？/你多久购物一次？I shop once a month. 我一个月购物一次。5. How often does he watch TV? 他多久看一次电视？/他经常看电视吗？He watches TV twice a week. 他一周看电视两次。五、重、难点解析：1. Let's look at the following words and their usage. 频度副词：always, usually, often, sometimes, hardly 和 never 是英语中最常见的频度副词，它们在句中的位置大致相同：通常放在行为动词之前，系动词 be、助动词和情态动词之后。但它们所表示的含义及频度是各不相同的。（1）always 的频度为 100%，表示动作重复、状态继续，中间没有间断，意思是“总是”、“永远地”。例如： The sun always rises in the east and sets in the west. 太阳总是东升西落。Customers are always right. 顾客永远是对的。 ▲always 与进行时态连用，并不强调动作正在进行，而是表示说话人的“赞扬”、“不满”、“厌烦”等情绪，有强烈的感情色彩。例如：She is always thinking ...
