八上U1课文讲解.doc

八年级上册Unit1主要短语和句型课上探究项目Unit 1 How often do you exercise?一Topic : talk about how often do you do things. Sentence structure(句型)1. How often does she exercise? She exercises twice a day.2. What do you usually do on weekends? I usually play soccer.3. How many hours do you sleep every night? I sleep for nine hours every night.4. As for homework, most students do their home every day.5. My mother wants me to drink milk. She says its good for my health.6. My healthy lifestyle helps me get good grades. 7. So maybe Im not very healthy, although I have one healthy habit. 二短语:1.eating habits 2. hardly ever 3. surf the Internet 4. go skateboarding 5. look after well = take good care of 6. keep healthy = stay healthy= keep in good health= keep fit 7. the same as 8. be different from 9. come home from school 10. eating habit 11. once/twice/ three times a week三重难点解析1. 【辨析】：频率副词always, usually, often, sometimes, hardly ever, never频率副词词义频率英文释义always总是100%all the timeusually通常90%often, generallyoften经常80%(at) many timessometimes有时50%at times, now and thenhardly ever几乎不10%almost not, not at allseldom几乎不not oftennever从不0%not ever, not at any time【拓展】频率副词always的用法：在所有的频率副词中，always语气最强，表示“总是；永远”。 always可用于进行时态，表示“老是；总是”，是一种加强语气的说法，含有“气愤；不满；不耐烦；赞赏”等感情色彩。eg. He is always coming late. 他总是迟到。（埋怨） He is always helping others. 他总是帮助别人。（赞扬）always通常放在be动词后面，行为动词前面，一般不放在句首。但为了强调或在祈使句中，也可放在句首或放在整个谓语前面，有时甚至置于句末。eg. Always pay attention to your pronunciation. 要始终注意发音。always与not连用时，表示部分否定，意思是“不一定总是；未必”等。eg. Honesty is not always the best policy. 诚实未必永远是上策。考察一：位置是Be/助动词、情态动词之后，实义动词之后。考察二：有hardly, seldom, never 的句子视为否定句，后面反义疑问句用肯定。趁热打铁：She is a good student. She is _ school. / She _ to school late. (从不迟到)She can hardly write anything in English, _ she? (反义疑问句)中考链接：(2008 安徽)-English is _ too difficult for me. I cant learn it well. -Dont give up. Nothing is difficult if you work hard. A. seldom B. never C. always D. usually(2009 福建漳州) -Miss Gao is very popular with her students.-Yes. Her classes are _ lively and interesting.A. seldom B. never C. sometimes D. always(2009 江西) -I didnt know you take a bus to school. -Oh, I _ take a bus, but it is snowing today.A. hardly B. never C. sometimes D. usually(2009 浙江杭州) Linda has _ been to Disneyland, has she?A. never B. ever C. already D. even2. 含有how的疑问词辨析 a. How _do you exercise? I exercise twice a week. (提问频率)b. How _ do you sleep every night? I sleep for nine hours every night. (提问时间的长度)c. How _ hours do you sleep every night? I sleep for nine hours every night.(提问具体的数量) d. How _ is the Yellow River. Its about 5,500 kilometers. (提问某物的长度) e. How_ is it from your home to school? Its 1,200 meters. (提问距离)f. How_ will you finish the work? In only ten minutes.(提问多久将会发生，常用将来时)趁热打铁： -_ will you stay in Shenzhen for your holiday? - For about two weeks.A. How often B. How longC. How soon D. How often中考链接：(2010 河北唐山) -_ do you go for a trip?-About twice a year. A. How long B. How soon C. How far D. How often(2010 河北唐山) -_ have you been to Xian?-Twice.A. How soon B. How many times C. How often D. How long(2011 安徽芜湖)-_ do you clean your room?-Every day.A. How long B. How many C. How often D. How soon3. try-tries- trying-tried- tried (容易写成tired，可强调发音)a. He tried opening the door, but he failed. try +doing 表示尝试做某事b. He is in poor health, so he tried to smoke less. try +to do 表示试图、努力做某事c. 固定搭配：试一试_ 尽全力做某事_ 试穿_趁热打铁：Be quiet please. Im trying _(study)4. different; difference; differentlya. different adj.，词组有 be different from; 翻译词组 be the same asb. difference n., 词组有differences between A and B c. differently adv. : think differently趁热打铁：Is her lifestyle the same as yours or d_ from yours?5. 【辨析】：sometimes 与some times，sometime，some timesometimes意思是“有时；不时”，常与一般现在时或一般过去时连用。eg. Sometimes he goes to school by bus.有时他乘公共汽车上学。some times是名词短语，意思是“几次；几倍”。eg. I met him some times in the street last month. 上个月我在街上遇到他好几次。sometime是副词，意为“在某个时候”，“某时”eg . Will you come again sometime next week? 下周的某个时候你会再来吗？She was there sometime last year. 她去年某时去过那。some time是名词词组，意为“一段时间”，做时间状语用eg. I will stay here for some time. 我将在这呆一段时间。He worked for that company for some time. 他为那家电脑公司工作了一阵子。中考链接：(2011 兰州) He said he would come to see us _ the next afternoon.A. sometime B. some time C. sometimes D. some times5. exercisea. Maria does sports every day. =Maria _ every day.= Maria takes _every day.(做动词和_数名词，表“做运动”)b. We do eye exercises twice a day. 做可数名词，用复数形式表示“操”c. They are doing some math exercises.做可数名词，表示“练习”趁热打铁：The doctor told him to take more _ (运动). _ _ _ is good for our health. 做早操对我们的健康有益。6.keep-kept-kept（中考总动员17）a.keep +adj b. keep sb./sth. adj c.keep doing d.keep sb/ sth doing sth e. I have kept the book for 3 weeks. 表示“借”，可延续6. be good for/ at / to / with 的辨析(中考总动员17) 7. maybe & may be maybe是个副词，意思是“也许；或许”，常用于句首。eg. Maybe you are right. 也许你是对的。【辨析】：maybe 与may bemaybe为副词，意思是“也许”，同义词是perhaps,常用于句首，作状语。如： Maybe you are an English teacher. 也许你是一位英语教师。may be为“情态动词动词”结构，在句子中作谓语，意思是“也许是”。如： You may be an English teacher. 你也许是一位英语教师。 She may be in Class Five. 她也许在5班。8. Is her lifestyle the same as yours or different? Is her lifestyle the same as your lifestyle or is her lifestyle different from your lifestyle ? 她的生活方式和你的一样或是不同？be the same as / be different from 与一样/与不同She _ _ _ _her sister. 她看起来跟她的妹妹很像。This book _ _ _ that one. 这本书跟那本书不一样。9. be good for sth./ doing sth. 对什么有益 ，对什么有好处 be bad for sth./ doing sth. 对什么有害be good for 对.有益 Doing morning exercises is good fo