外研版新标准英语八下M4U2的主要内容是由4个小文段组成，分别介绍了安娜、王薇、托马斯和理查德4人的不同锻炼方式。安娜通过遛狗锻炼身体，王薇通过踢球锻炼身体，托马斯骑车上班锻炼身体，理查德病后跑步锻炼。每一段按顺序讲述了主人公从事某项运动的原因、过程和结果。课文学习告诉我们：健康的生活离不开运动，适合自己的锻炼方式就是最好的。
U2重点句子
1.I was not feeling very well so the doctor checked my heart and said I needed more exercise. 我感觉不是很舒服，于是医生给我做了心脏检查，说我需要多做运动。（1）feel well 感觉舒服well,健康的，形容词。（2）exercise锻炼，(不可数）名词。do/take /get exercise锻炼；exercise操，（可数）名词。do eye exercises/do morning exercises做眼保健操/做早操；exercise练习，（可数）名词。They are doing maths exercises now.
2.I have always wanted a pet, so my parents gave me a dog for my birthday. 我一直都想要个宠物，所以我生日时父母送给我一条狗。（1）always 总是；一直以来，用于现在完成时态，具有一定的感情色彩。（2）give sb.sth.=give sth.to sb. 给某人某物
3.Now I get exercise by taking him for a walk every day. 现在我每天通过遛狗锻炼。（1）get exercise=take/do exercise锻炼（2）by doing sth.通过某种方式（3）every day 每天
4.I have had him for three months now and I feel really healthy.现在我买它已经三个月了，我感觉很健康。（1）buy 买，非延续性动词，用于现在完成时态和for 时间段/段时间和since 时间点/点时间，要转换成相对应的延续性动词have。How long have you had this watch?（2）feel healthy=feel fit 感觉健康
5.Our teacher decided to start a girls‘football team and I thought: “What a great idea!” 我们老师决定组建一支女子足球队，我想：“多好的主意啊！”（1）decide to do sth. 决定做某事（2）start a girls‘ football team 创办一个女子足球队（3）What a great idea！多好的主意啊！感叹句句型：（1）What a/an 形容词 可数名词单数！What a clever boy!（2）What 形容词 可数名词（复数）/不可数名词！What fine weather！/What beautiful flowers！（3）How 形容词/副词 主语 谓语！How fast she runs!/How beautiful the flowers are!
6....and she also takes part in the training with us. 她也和我们一起参加训练。take part in 参加（活动）Do you often take part in your school activities?
7.She is in excellent condition too.她的身体状况也很好。in excellent condition健康状况良好
8.In the last few years, I went to work by underground.过去的几年里，我坐地铁上班。（1）in the last few years过去的几年里/最近的几年里，也可以用于现在完成时态。In the last few years,they have built five bridges in the city.（2）go to work工作/上班（3）by underground坐地铁
9.When I got to work, I always felt very sleepy and I was not happy. 当我上班时，我总是感觉很困，而且不开心。（1）get to work上班（2）feel sleepy 感觉困倦
10.Since then, it has become part of my life.自那以后，它就成了我生活的一部分。since then 自那以后，用于现在完成时态
11.Now I ride to work every day.现在我每天骑车上班。（1）ride to work=go to work by bike骑车上班（2）every day 每天
12.I arrive at work with a smile on my face. 我面对微笑地上班。arrive in 大地点；arrive at 小地点。如果地点是副词，at/in省略,arrive here/there/home；arrive 后面也可以不接地点。We arrived by plane yesterday.
13.I was weak after a long illness, so I wanted to exercise more.久病之后我很虚弱，所以我想要多运动。（1）illness 疾病，名词。ill 生病的，形容词。(2)want to do sth.想要做某事（3）exercise more=get/take more exercise 做更多锻炼。exercise, 锻炼，动词。
14.Then a friend suggested, “Why don‘t we go for a run before school?”然后一个朋友建议说：“上学前我们为什么不跑步呢？”（1）suggest 提建议，动词,suggest doing sth./ 句子，句子中动词用原形，其实是动词原形前省略should。He suggested writing the words five times./They suggested we (should) write four or five words on pieces of paper.（2） go for a run跑步（3）Why don‘t we 动词原形？=Why not 动词原形？为什么不......，表示提建议的句型。
15.But I do not enjoy running, and when I get to school, I feel awful. 但是我不喜欢跑步，当我到校时，我感觉不舒服。（1）enjoy doing sth.喜欢做某事（2）get to school=reach school=arrive at school 到校（3）feel awful 感到不舒服
16.My legs hurt and I am hot all over.我腿疼，全身发热。（1）My legs hurt.=I have (got)a legache.=I have a pain in my legs. 我腿疼。（2）all over 浑身；到处
17.Perhaps I am too weak to do any exercise. 也许我太虚弱了不能做任何运动。（1）perhaps=maybe也许，用于句首。（2）do exercise=take/get exercise 做运动（3）主语 be/动词 too 形容词/副词 to do sth. 太......而不能......The boy is too young to go to school.=The boy isn‘t old enough to go to school. He runs too fast for us to catch up.
U3重点句子
1.I went running in the park to get fit,but I feel lonely and sad. 我在公园跑步为了保持健康，但我觉得孤独、伤心。（1）go running 跑步（2）in the park 在公园里（3）get fit保持健康（4）feel lonely 觉得孤独
2....all my friends take the bus to school and I don‘t have anyone to talk with on the way. 我所有的朋友们坐公交去上学，我一路上没有人谈话。（1）take the bus to school =go to school by bus 坐公交车上学（2）talk with 和......谈话（3）on the way 在路上
3.The WHO was set up in 1948 to help ordinary people all over the world，especially in developing countries. The WHO1948年建立为了帮助全世界的普通人,尤其在发展中国家。（1）set up 建立（2）all over the world 全世界（3）in developing countries 在发展中国家
4....by teaching mothers how to take better care of their children. 通过教妈妈们怎样更好地照顾她们的孩子。（1）teach sb.to do sth.教某人去做某事；teach sb.sth.=teach sth.to sb.教某人某物teach her English=teach English to her（2）take good care of...=look after...well 好好照顾（3）how to take...how 是特殊疑问词，后面接不定式形式。