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1、Topic2 I must ask him to give up smoking.【重点短语】.stay up late 熬夜1 .be bad for 对有害.be good for 对有益2 .too much太多，过分.do morning exercises 做早操3 .keep long fingernails 留长指甲.play sports right进行适当的体育锻炼4 .go to school without breakfast 不吃早餐 去上学.have a bath 洗澡5 .take a fresh breath 呼吸新鲜空气1 l.read .about.读关于12
2、 .Renai English Post 仁爱英语报.ask sb to do叫某人做某事13 .give up 放弃.read in the sun在太阳底下看书14 .throw litter about 乱扔垃圾.on the lawn在草坪上18 .put.into.把放进.exercise on an empty stomach 空腹锻炼19 .get into 进入.keep the air clean and fresh 保持空气清 新20 .wash hands before meals 饭前洗手.potato chips 炸薯条【重点句型】1 .Staying up late
3、 is bad for your health.熬夜有害健康。1) stay up late 熬夜be bad for 对有害。类似的短语还有：be good for对有好处staying up late is.动名词作主语。当我们需要一个动词充当主语时，常用此 动词的动名词(即doing)形式。如：Playing basketball is good for your heath.打篮球对你的身体有好处。Reading in bed is bad for your eyes.躺在床上看书对眼睛有害。Swimming is my hobby.游泳是我的爱好。2.It will keep you
4、 active during the day.它会使你在白天保持活力。keep sth/sb .+adj.保持某物/某人在某种状态。如：keep your fingersails clean 保持你的指甲干净。keep our streets clean 让街 道保持 干净。3.Different foods help us in different ways.不同的食物对我们有不同的作用.in different ways译为“用不同的方式”。4.If we eat too littele or too much food如果我们吃太少或太多食物little少得几乎没有，表否定，修饰不可数名
5、词。a little有一些，表示肯定，修饰不可数名词。与little , a little类似的用法的还有few, a few 0few少得几乎没有，表否定，修饰可数名词。afew有一些，表示肯定，修饰可数名词。5.Walking is good exercise and it is necessary for good health.散步是很好的锻炼， 它是身体健康必不可少的。be necessary for对来说是必不可少的 如：Sunshine is necessary for our life.阳光对于我们的生活来说是必不可少的。Food is necessary for life.食
6、物是生命所必需的。【重点语法】.情态动词must及其否定形式must notmust译为“必须做”其否定意义“不必做，用dont have to/needn/don needto表示，而不用mustnot 0如：Must Ifinish it tonight?No, you dont have to.must not译作“禁止做如：You must not throw litter about.=Dont throw litter about.别至U 处乱扔垃圾。1 .情态动词may表示请求允许，译作“可以工如：May I come in?我可以进来吗？爰示推测，译作“可能”。如：You may get a headache when you work too hard.当你工作太累时你可能回感到头 疼。You may get a headache when you cant get enough sleep.当你睡眠不足时，你可能 会头疼。