文章内容
volunteer 志愿者sandwich 三明治top 上边，上面
habit习惯idea 主意，想法；意见less更少
at least至少二、单元句型（—）周末生活
1.A:Bill,what doyou do on weekends inChina?比尔，你在中国周末做什么？
B: On Saturday mornings, I always go to my maths club周六早上，我通常去数学社团。B: On Saturday afternoons, I often stay at home and do my homework周六下午，我经常在家做作业。B: Sometimes I go shopping or go to the cinema with my mum. 有时我去购物或者和妈妈一起看电影。B:Wow,youare so busyonweekends!哇，你周末好忙！（二）保持健康的建议
What should we do to keep healthy? What are your ideas?我们应该怎样保持健康呢？你们有什么想法？We shouldn't eat them everyday.我们不该每天吃它们。We should eat more fruit and vegetables, and less meat and candy我们应该吃更多水果和蔬菜，少吃肉和糖。To be healthy, we should also keep clean: wash our hands before eatingand brush our teeth twice a day.为了健康，我们应该保持干净：饭前洗手，每天刷两次牙。Weshouldalsoexerciseoften.我们还应该经常锻炼。We should exercise at least one hour a day我们每天至少锻炼一小时。
Sports are good forus.运动对我们很有益。We shouldn' t watch too much TV or play computer games for toolong．我们不该看太多电视和长时间玩电脑游戏。We should also get enough sleep every day我们应该每关保持充足的睡眠。Ithinkweshould behappy everyday.我觉得我们应该每天开心。Thats good forkeeping healthy.那对我们保持健康很有益。Weshouldalwaysbehappy!我们应该一直保持开心！三、语法知识
频度副词含义：表示动作频率。位置：通常位于系动词、助动词、情态动词之后，行为动词之前。如She is sometimes very busy./ I will never forget this lesson./We oftengo there.
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