Unit2HowoftendoyouexercisesectionAsectionB1沐风课教sectionB一、单词解析二、课文解读2沐风课教1.junk固定短语junkshop旧货店junkmail垃圾邮件3沐风课教coffeen.咖啡coffee为不可数名词，可用acupofcoffee或ajarofcoffee表示咖啡的量。固定短语：drinkcoffee喝咖啡makecoffee冲咖啡blackcoffee清咖啡Whitecoffee牛奶咖啡4沐风课教health辨析：health与healthy“保持健康”的表达方式be/keep/stayingoodhealth=be/keep/stayhealthyhealthy的副词形式为healthily返回5沐风课教辨析：health与healthy词性词性词义词义反义词反义词 比较级、最高级比较级、最高级healthn.健康healthy adj.健康的unhealthyhealthier，healthiest返回6沐风课教1. _ junk food 3. _ fruit 5. _ sleep2. _ milk 4. _ vegetables 6. _ coffeeMatch the words with the pictures.1aabcdefabecfd7沐风课教 Ask and answer questions. Use the words from 1a. A: How often do you drink milk, Liu Fang? B: I drink milk every day. A: Do you like it? B: No. But my mother wants me to drink it. She says its good for my health.PAIRWORK1b8沐风课教DoesTinahavegoodhabits?Yes.No.Idontknow.DoesBillhavegoodhabits?Yes.No.Idontknow.Listen to an interview about two peoples daily habits. Circle your answer to each question.1c9沐风课教Questions：1. How often do you exercise?2. How often do you eat fruit?3. How many hours do you sleep every night?4. How often do you drink milk?5. How often do you eat junk food?6. How often do you drink coffee?Listen again. Fill in the blanks in the survey.1d10沐风课教TinaBill_every day11沐风课教sectionB(2a-2b)单词解析课文解读12沐风课教percentpercent 是可数名词，但复数形式相同，与连词连用时数词应置于之前percent of后接名词作主语时，of后的名词如果为不可数名词或单数可数名词，谓语动词用单数形式；若为可数名词复数形式，则谓语动词用复数形式13沐风课教althoughalthough作连词，意为“虽然。”在一个句子里，although不能和but连用例子：_thegirlisonlynine,shetakescareofherbrotherandcooksmealseveryday.A.IfB.BecauseC.AlthoughD.As答案：C14沐风课教throughthrough 和acrossthrough 穿过，表示从中通过，着重指从内部空间的一头，纵穿到另一头。across穿过，表示从一条线或一物体表面的一边到另一边15沐风课教mind固定搭配haveinmind记得keepinmind记住mind用作动词，意为：“介意”。wouldyoumindsth./doingsth.?你介意做某事吗？16沐风课教diedieof表示“死于”用于内因diefrom表示“死于”用于外因2.bedyingtodosth./forsth.渴望做某事3.die的名词形式death意为：死亡返回17沐风课教WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?Lastmonthweaskedourstudentsabouttheirfreetimeactivities.Ourquestionswereaboutexercise,useoftheInternetandwatchingTV.Herearetheresults:Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.Forty-fivepercentexercisefourtosixtimesaweek.Twentypercentexerciseonlyonetothreetimesaweek.Twentypercentdoexercisenotatall.Weallknowthatmanystudentsoftengoonline,butwesurprisedthatninetypercentofthemusetheInterneteveryday.Theothertenpercentuseitatleastthreeorfourtimesaweek.Moststudentsuseitforfunandnotforhomework.18沐风课教Theanswertoourquestionsaboutwatchingtelevisionwerealsointeresting.OnlytwopercentofthestudentswatchTVonetothreetimesaweek.ThirteenpercentwatchTVfourorsixtimesaweekAndeighty-fivepercentwatchTVeveryday.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows.butwethinkthebestwaytorelaxisthroughexercise.Itishealthyforthemindandthebody.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.Andremember,“oldhabitsdiehard”.Sostartexercisebeforeitstoolate.19沐风课教2bRead the article and complete the pie charts on Page 14.34 64 6320沐风课教2cRead the article again and answer the questions.1. How many percent of the students do not exercise at all?2. How many percent of the students use the Internet every day?21沐风课教3. How often do most students watch TV? What do they usually watch?4. What does the writer think is the best way to relax? Why?5. Do you think the students at No. 5 are healthy? Why or why not?22沐风课教2dAccording to the article and the pie charts, write sentences with the percentages using always, usually or sometimes.1. 90%: _2. 85%: _3. 45%: _4. 10%: _5. 13%: _6. 2%: _Ninety percent of the students always use the Internet.Ninety percent of the students always use the Internet.Eighty five percent of the students always watch TV.Eighty five percent of the students always watch TV.Forty percent of the studentspercent of the students usually exercise.Ten percent of the studentspercent of the students usually use he internet.Thirteen percent of the studentspercent of the students usually watch TV.watch TV.Two percent of the studentspercent of the students sometimes watch TV23沐风课教New Wordsdentist n.magazine n.however adv. than prep. conj.more than less adv. adj.& pron.less thanpoint n.牙科医生牙科医生杂志；期刊杂志；期刊然而；不过然而；不过比比多于多于较少；较小较少；较小较少的；更少的较少的；更少的少于少于得分；点得分；点24沐风课教3aLook at the information in the chart and complete the report.Jane is a 16-year-old high school student in the United States. American Teenager magazine asked her about her habits. Jane has a lot of good habits. She _ exercises and she reads books_. Also, she _ drinks juice and she _ stays up late. However, she has some bad habits, too. always25沐风课教She _watches TV for more than two hours a day, and she _ eats hamburgers. Her parents are not very happy because she _ helps with housework and she _ goes to the dentist for teeth cleaning. She says she is afraid!26沐风课教Weallknowthatmanystudentsoftengoonline,butweweresurprisedthatninetypercentofthemusetheInterneteveryday.（1）该句中的主语为we,后面的代词all作主语的同位语；谓语动词know后接that引导的宾语从句，从句中的谓语动词词组go online 意为“上网”（2）but连接第二个分句表示转折关系，谓语动词were，后接形容词surprised，意为“感到吃惊的“，后接that引导的宾语从句，“sb. be surprised+that 从句”结构 ，意为“某人对感到吃惊。返回27沐风课教Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday翻译：我们发现只有15%的学生每天锻炼句子分析：本句中谓语动词found是动词find的过去式形式，意为发现，后接that引导的宾语从句，从句无论是肯定句还是疑问句，都应用陈述句语序；从句的主语为fifteen percent of our students，意为“百分之十五的学生”，表复数含义。谓语动词是exercise 。返回28沐风课教Herearetheresults翻译：以下是结果句子分析：本句是倒装句，正常语序是The results are here.。句子的主语是 the results，系动词是are，here是表语,为了突出results才用了倒装返回29沐风课教Lastmonthweaskedourstudentsabouttheirfreetimeactivities.翻译：上个月我们询问我们的学生有关他们 业余活动的情况分析：（1）该句中last mouth是时间状语，意为“上个月”前面不可以加任何介词，此句中的谓语动词ask后接宾语our students，about their free time activities为介词短语作宾语 our students 的补足语。ask相关句型返回30沐风课教ask相关句型（1）ask+从句（2）asksb.todosth.要求某人做某事（3）asksb.aboutsth.就某事询问某人（4）asksb.forsth.向某人要某物（5）ask后可以接双宾语返回31沐风课教WhatDoNo.5HighSchoolStudentsDoinTheirFreeTime?翻译：第五高中的学生在闲暇时间里做什么？句子分析：该句是what引导的特殊疑问句，DoNo.5HighSchoolStudents作主语，意为：第五高中的学生们“，后面的inTheirFreeTime作时间状语，意为“他们的空余时间”。返回32沐风课教She says its good for my health.该句中Shesays是主句，its good for my health置于其后作宾语从句，从句部分是完整的，故省略了引导宾语从句的引导词thatbe good for 意为“对有好处。介词for后接名词、代词或V-ing形式作宾语，be good for sb. 相当于do good to sb.或do sb.good. 返回33沐风课教But my mother wants me to drink it此处使用的是wantsb.todosth句型表示“想要某人做某事”，此结构中，todosth是动词不定式作宾语sb.的补足语，不定式中do这个动作是由宾语sb.所发出，即sb.是do的逻辑主语返回34沐风课教SectionA一、单词解析二、语法解析三、课文解读35沐风课教一、单词解析houseworkhousework为不可数名词，做主语时，句中的谓语动词要用单数形式。下列合成词都为不可数名词house+work=housework（家务活）hose+work=hosework(家庭作业）school+work=schoolwork（功课）hand+work=handwork（手工）36沐风课教一、单词解析hardly1.hardly意为“几乎不”，表示否定意义，它常位于实义动词之前，系动词、助动词、情态动词之后。2.hardly表示否定意义，用于反义疑问句时，附加疑问句部分用肯定形式。3.辨析：hard与hardly37沐风课教一、单词解析ever主要用于否定句、疑问句和条件句中。ever曾经曾经多与完成时连用多与完成时连用once曾经多与过去时连用38沐风课教一、单词解析once1.表示次数时，意为“一次”其他次数的表达：次数的表达次数的表达once一次twice两次three times三次many times许多次39沐风课教二、语法解析频度副词的用法：常见频度副词按频率大小排列如下：always（总是）usually（通常）often（经常）sometimes（有时）hardlyever(几乎从不)never（从不）1.频度副词放在系动词、助动词或情态动词之后，行为动词之前。2.有些频度副词可放在句首或句尾，用来表强调。3.once，twice，threetimes次数构成的表达方式。4.对频度副词提问时，一般用howoften（多久一次）40沐风课教1. 4.2. 5.3.watching TVhelp with houseworkshoppingreadingexercising1a Make a list of the weekend activities.What do you usuallydo on weekends?I often go tothe movies.abcde41沐风课教always (100%) _ usually _ often _ sometimes _hardly ever_ never (0%) _ Listen and write the letters from the pictures above on the lines below.1bexercise,42沐风课教Listen. Cheng is talking about how often he does different activities. Number the activities you hear.2aActivities a. _ go to the movies b. _ watch TV c. _ shop d. _ exercise e. _ read1354243沐风课教2bActivities How oftena. go to the movies every dayb. watch TV once a weekc. shop twice a weekd. exercise three times a weeke. read once a month twice a monthListen again. How often does Cheng do the activities? Match his activities with the number of times he does them. 44沐风课教SectionA2dRole-playtheconversation.Jack: Hi，Claire ,are you free next week ？Claire: Hmm next week is quite full for me , JackJack: Really ? How come？Claire: I have dance and piano lessons.Jack: What kind of dance are you learning ?Claire: Oh, swing dance .Its fun. I have class once a week , every Monday.Jack: How often do you have piano lessons?Claire: Twice a week, on Wednesday and Friday .Jack: Well, how about Tuesday ？Claire: Oh, I have to play tennis with my friends . But do you want to come ?Jack: sure！45沐风课教Grammar focus频度副词频度副词-What do you usually do on weekends? - I always exercise.- What do they do on weekends? - They often help with housework.- What does she do on weekends? - She sometimes goes shopping.46沐风课教- How often do you go to the movies? - I go to the movies maybe once a month.- How often does he watch TV? - He hardly ever watches TV.- Does he go shopping? - No, he never goes shopping.47沐风课教1. How often _ he play soccer？2. _ you drink milk? 3. How often _ they stay up late? 4. _ Sue eat a healthy breakfast? 5. How often _ you eat apples？6. _ your parents play sports? 3a Complete the questions with do or does. dodoesDo Does doDo 48沐风课教Thenmatchthequestionsandanswers.1. How often dose he play soccer？2. Do you drink milk? 3. How often do they stay up late? 4. Dose Sue eat a healthy breakfast? 5. How often do you eat apples？ 6. Do your parents play sports? a. Yes, she usually does.b. Hardly ever. I dont like them.c. He plays at least twice a week. d. No, they dont. Theyre too busy.e. Never. They always go to bed early. f. Yes, I do. Every day. 49沐风课教3b use the words given to write questions.Questions： ? (how often/ help with housework) ? (what / usually/ do/ weekends) ? (how often / best friend / exercise) ? (what / usually / do / after school)How often do you help with houseworkWhat do you usually do on weekendsHow often does your best friend do exercisewhat do you usually do after school50沐风课教Then ask and answer them with a partner.My partners answers：1. I always help with housework.2. I usually surf the Internet.3. He does exercise everyday.4. I usually do my homework after school.51沐风课教How come？翻译：为什么呢？怎么会呢？句子分析：该句中Howcome是固定搭配，意思是：怎么会？怎么回事？怎么搞的？它和why一样，可以用来引导一个问句，其不同点在于Howcome？用来提问，便是你觉得事情有点奇怪，有点想不通。并且Howcome后接句子时一律使用陈述句语序。返回52沐风课教are you free next week ？翻译：你下周有空吗？句子分析：此处free做形容词，放在be动词之后作为表语，意为“空闲的；不忙的”。该句是一个一般疑问句，故be动词are置于句首，此外free作形容词还可以充当 前置定语。返回53沐风课教Hmm next week is quite full for me , Jack翻译：恩我下周排得很满。句子分析：该句中主语为nextweek，谓语动词be动词后接形容词full作表语，介词短语forme表示对象，在句中作状语，此句中形容词full前面的quite在该句中做频度副词，意为：“完全的；十分的；全然的。返回54沐风课教3.once，twice，threetimes次数构成的表达方式。（1）次数+a+时间（年/月/日/分）（2）次数+every+基数词+时间（年/月/日/分）返回55沐风课教3.辨析：hard与hardly用法用法hardhard可作形容词或副词。作形容词时，意为“艰难的；坚硬的”。作副词时，意为“努力地；长时间地；大量地”。hardlyhardly 是副词，意为“几乎不”，多和can连用。返回56沐风课教