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1、【人教版】八年级（上册）英语知识点Unit2 重点短语、重点句型、词法精选、句法精析、语法精讲一、重点短语1. help with housework 帮着做家务2. use the Internet 使用互联网3. go to the movies 去看电影4. my favorite TV program(s)我最喜欢的电视节目5. how often 多久一次6. have dance and piano lessons上舞蹈与钢琴课7. swing dance摇摆舞 swung(swing的过去式)8. hardly ever 几乎从不9. play tennis with frien
2、ds 与朋友打网球10. stay up late 熬夜11. eat a healthy breakfast吃一顿健康的早餐12. play sports 进行体育运动13. at least/at most twice a week 一周至少/最多两次14. be good for my health 有利于我的健康 healthy(health的形容词形式)15. eat junk food 吃垃圾食品16. drink coffee 喝咖啡 drank(drink的过去式)17. No. 5 High School students 第5中学学生18. in ones free tim
3、e 在某人的空余时间19. ask them about their free time activities 询问他们关于他们的业余活动20. not. at all 根本不21. go online 上网22. be surprised that. 感到惊讶23. use it for fun 为了取乐而使用它24. the answers to the questions 这些问题的答案25. one to three times a week 一周一到三次26. two percent of the students 2%的学生27. the best way to do sth. 做
4、某事的最好方式28. such as 例如29. spend time with yourf riends 与你的朋友共度时光 spent(spend的过去式)30. spend time on sth./in doing sth.花时间在某事上/做某事31. play together 一起玩32. watch TV for over 2 hours看两个多小时电视33. go to the dentist 去看牙医34. a 16-year-old high school student 一名16岁的中学生35. have a lot of good habits有许多好习惯36. mor
5、e/less than two hours多/少于两小时37. go to the dentist for teeth cleaning 去牙医处清洁牙齿38. go to the shopping center去购物中心二、重点句型1. Next week is quite full for me. 下周我的安排很满。2. I go to the movies maybe once a month.我大概一个月看一次电影。3. He hardly ever watchesTV. 他几乎不看电视。4. My mother wants me to drink milk.我妈想让我喝牛奶。5. H
6、ere are the results. 这些是调查结果。6. We found that only fifteen percent of our students exercise every day. 我们发现我们的学生只有15%的人每天锻炼。7. Most students use it for fun and not for homework.大多数学生用它(互联网)来玩而不是用来做作业。8. The answers to our questions about watching television were also interesting. 对我们提出的有关看电视的问题的回答也颇
7、有意思。9. We think the best way to relax is through exercise. It is healthy for the mind and the body.我们认为最好的放松方法是通过锻炼。它有益于身心健康。10. Old habits die hard. 旧习难改。三、词法精选1. maybemaybe是副词，意为“或许；大概；可能”。maybe 与may be的区别：(1)maybe 是副词，作状语，常位于句首。如：Maybe you are right. 也许你是对的。(2)may be是“情态动词be动词”结构，意为“可能是；可能”，一般放在句
8、中。如：The man may be a teacher. Maybe the man is a teacher. 这个男的或许是个老师。They may be in the classroom. Maybe they are in the classroom. 他们也许在教室里。2. health(1)health为不可数名词，意为“健康”，其形容词形式为healthy，意为“健康的”。如：Doing sports is good for our health.做运动对我们的健康有好处。The old man looks very healthy.这位老人看起来非常健康。(2)be in g
9、ood healthbe healthy, 意为“身体健康”； keep in good healthkeep healthy，意为“保持健康”。如：You must eat more vegetables to keep healthy. 为了保持健康，你必须吃更多蔬菜。The old man is in very good health.这位老人身体非常健康。3. such as such aslike，意为“例如；像这样”，后面跟名词或者动名词。如：I have a lot of hobbies, such as reading and singing. 我有许多爱好，比如看书和唱歌。【
10、注意】such as对前面的复数名词起部分列举作用，一般不全部列出。4. diedie既可作不及物动词，也可作及物动词，意为“消失；灭亡；死亡”，过去式为died，现在分词为dying。如：He died three years ago. 他三年前去世了。The dog on the ground is dying.地上那只狗快死了。四、句法精析1. She says its good for my health.她说这对我身体有好处。be good for 意为“对有好处”，反义词组be bad for 意为“对有坏处”。如：Eating vegetables and doing sport
11、s are good for your health.吃蔬菜和做运动对你的健康有好处。2. Here are the results. 这些是调查结果。here 位于句首，句子要倒装。如：Here is your jacket. 这是你的夹克。Here comes the bus. 公交车来了。3. We were surprised that ninety percent of them use the Internet every day. 我们很惊讶90%的学生每天使用互联网。(1)be surprised意为“惊讶”，后面跟宾语从句。如：I was surprised that he
12、came here yesterday.他昨天来这里我感到很惊讶。(2)be surprised at名词或名词性短语，意为“对感到惊讶”。如：He was surprised at the news.他对这个消息感到惊讶。(3)be surprised to do sth. 意为“对做某事感到惊讶”。如：She was surprised to find her handbag missing. 她很惊讶地发现她的手提包不见了。(4)to ones surprise意为“使某人感到惊讶的是”。如：To our surprise, he won the game.令我们惊讶的是，他赢得了比赛。
13、4. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.通过上网或者看游戏节目来放松是好的，但是我们认为最好的放松方式是通过锻炼。(1)Its good to do sth.意为“做某事是好的”。它是Its形容词todo sth.句型的一种形式， it作形式主语， to do sth.是真正的主语。如：Its good to read aloud in English in the morning.早上朗
14、读英语是好的。(2)the best way to do sth.意为“做某事最好的方法”，其中to do sth.是动词不定式作后置定语，也可表达为the best way of doing sth.。如：I know the best way to clean the car.I know the best way of cleaning the car.我知道洗车最好的方法。(3)by using the Internet or watching game shows，其中by为介词，表示“通过某种方式”，置于动名词前表示方法、手段、原因等。如：I study English by li
15、stening to English songs. 我通过听英文歌曲学习英语。五、语法精讲频度副词(1)在句子中，频度副词常放在实义动词前面， be动词、情态动词和助动词后面。如：He always helps others. 他总是帮助别人。(2)常用频度副词：always(总是)usually(通常)often(经常)sometimes(有时)hardly ever(几乎不)never(从不)常见词组：oncea week 一周一次；twice a month 每月两次；one to three times a year 一年一到三次；two or three times a day 一天两次或三次；every day 每天；every three minutes 每三分钟(3)对频度副词提问用how often，意为“多久一次”。如：How often do you play sports? 你多久运动一次？Three times a week. 一周三次。How often does he wa
