New words:• exercise /`eksəsaiz/ n. 锻炼• riding /`raidiŋ/ v. 骑 (ride 的进行式 )• minute /`minit/ n. 分钟• hour /`auə/ n. 小时 同音词 our 我们的Riding a bike is exercise.骑自行车是锻炼。Walking is exercise.步行是锻炼这是一个动名词做主语的句子。动名词是非谓语动词的一种。起名词或动词的作用。动名词做主语时，谓语用第三人称单数形式。Playing ping-pong is exercise.打乒乓球是锻炼。Running is exercise.跑步是锻炼。• Exercise helps make your body healthy and strong.• 锻炼有助于使你的身体健康和强壮。• 这句话是一般现在时，主语 exercise 是不可数名词、所以谓语动词用的是第三人称单数形式；短语“ help do sth” 。意思是“有助于 / 帮助做某事” ,help 后面跟不定式可以省略 to; make在此意思是“使”，后面跟宾语，再跟形容词做宾语的补足语。• Playing sports helps make you strong.• 做运动有助于使你强壮。②How many minutes does Danny exercise? 丹尼锻炼多少分钟？1 How often do you exercise, Danny? • 你多久锻炼一次丹尼？• I walk to school in the morning, and I walk home aften school.• 我早上步行去学校，我放学后步行回家。2 That's twice a day. How many minutes do you walk?那就是一天两次。你步行多少分钟？• About five minutes. 大约五分钟。• I think you need about an hour of exercise a day, Danny!我认为你一天大约需要一个小时的锻炼，丹尼！Okay! I'm going to watch more sports on TV !好的！我打算在电视上看更多的运动节目！No, Danny ! You have to play sports for exercise!不，丹尼！你必须靠做运动来锻炼！知识点讲解：• "how many minutes" 意为“多少分钟”，用来对时间进行提问。• How many minutes do you + 动词原形（ swim, run, walk… ）（ + 其他）How many mintes do you run?Five minutes. ③ Let's do it !• Exercise helps make our bodies healthy and strong. 锻炼有助于我们的身体健康又强壮。I run for 20 minutes every morning.我每天早上跑 20 分钟。Ping-pong is my favourite sport. I play ping-pong three times ...
