2013年八年级上册Unit-2-How-often-do-you-exercise同步讲解及练

武汉龙文教育学科辅导讲义授课对象授课教师靳老师授课时间年 月 日授课题目Unit 2 How often do you exercise?课 型复习课使用教具讲义、练习册教学目标 掌握Unit 2 How often do you exercise?知识点；特殊疑问句的巩固及训练。教学重点和难点频率副词的构成及运用；some与time构成的词组的辨析。参考教材新目标、教辅教学流程及授课详案Unit 2 How often do you exercise? Section A 句型 1. What do you usually do on weekends? I often go to the movies. 2. How often do you shop？ I shop once a week. 3. How often does she exercise?She exercises every day.考点1 How often do you exercise?你多久锻炼一次？xK b1. Co m How often 引导特殊疑问句询问别人做某事的频繁程度. 回答用 always, sometimes, hardly ever, twice a day 等频率副词。主要频率副词的等级排序： always(总是) usually (通常) often(经常) sometimes(有时) hardly ever(很少) never(从不) 隔一段时间做某事数次用 数词 + 时间间隔 的结构构成。如：once a week twice a day three times a month (三次或三次以上用 基数词 + times 的结构构成) 辨析：(1)howmany，howmuch表示“多少” howmany后接可数名词复数，howmuch接不可数名词。 how many times 询问多少次，其答语表示次数。如：once ，twice，three times等 How many times do you go to the movies a month? About three times.(2)how long 询问多长时间，其答语表示一段时间，如：for two days，for three hours等。 How long will it take to get to the station？ About half an hour.(3)how soon 用来询问过多久，多久以后，其答语是in two hours，in three days等。 How soon will he come back？ In an hour.(4) how far 用来询问距离，表示多远，其答语是 two kilometers等。Exercise 1） 作动词，“锻炼”=（ take exercise） If you want to stay healthy, you must exercise more. 如果你想保持健康，你就多运动。 2）作名词 可数名词“练习，习题，做操” do eye exercises 做眼保健操 不可数名词“锻炼，运动” Doing morning exercises is good for our health. 做早操对我们的健康有益。频率副词hardlyHardly意为“几乎不，几乎没有”，是否定意义的副词，相当于almost not，句中不能出现类似no,not,never等表示否定意义的词。Linda, pass me my glasses,please.I can hardly read the words in the newspaper. 琳达，请把我的眼镜递给我。我几乎看不见报纸上的字。【区别】hardly与hard hardly不是hard加后辍所构成的，它是副词，常与can或any连用。 hard可用作形容词，意思为“艰难的，困难的，勤奋的”可等同于“difficult”。它也可用作副词，意思是“努力地，刻苦地，猛烈地”。 There were hardly any people living there.几乎没有人生活在那里。 All of my classmates work very hard.我所有的同学都努力学习。w W w .x K b 1.c o M考点2 Next time is quite full for me , Jack. 杰克，下周我相当忙。 Full adj. 此处意为忙的，还可意为“满的，充满的”与“饱的，完全的”。 The boy went on eating until he was full(up).那个男孩继续吃直到他饱了为止。 辨析：be full of 和be filled with be full of 装满；充满（表示状态） be filled with装满；充满（表示动作，为fill.with的被动形式） Fill.with把.装满充满 Then ,in came a truck full of sand. 接下来，进来了一辆装满沙子的卡车。考点3 She sometimes goes shopping.她有时购物。【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（=at times）。some times是名词短语，意思是“几次；几倍”。 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”，常用于一般将来时或一般过去时中，指不确定的时间 Willyoucomeagainsometimenextweek? 下周的某个时候你会再来吗？sometime是名词词组，意为“一段时间”，用于多种时态中。 Iwillstayhereforsometime. 我将在这呆一段时间。随堂达标一、单项选择1. How often does Kate go hiking? .A. I guess shes OK. B. About an hour.C. Once the week. D. Twice a week.2. There are 50 students in our class. 85% students like going hiking. What does “85%” mean?A. None of the students. B. All the students. C. Most of the students. D. Some of the students.3. They usually do some office work weekdays.A. in B. on C. at D. both B and C4. I have time to have lunch. A. sometimes B. hardC. hardly D. already5. do you go shopping?Every Sunday.A. How soon B. How many times C. How much D. How often二、用单词的适当形式填空。1. My father plays basketball _ (two) a week.2. Jodie often _ (exercise) in the park. 3. Maria is _ (act) at school.4. He _ (watch) TV every night. X|k |B | 1 . c|O |m5. How often does your mother exercise?_ (one) a week.语法练习A. 单项选择1. do you have a class meeting?Once a week.A. How muchB. How oftenC. What timeD. How long2. I see her in the supermarket. A. sometimeB. some timeC. sometimesD. some times3. did you watch TV? About two hours.A. How farB. How oftenC. How soonD. How long4. The results “watching TV” are interesting. A. at B. in C. forD. on5. He is a good student. He late for school.A. isnt never B. is often C. is always D. is hardly everB.句型转换1. Most students exercise three times a week.（就划线部分提问） do most students exercise?2. I sleep nine hours every night.（就划线部分提问） hours do you sleep every night?3. My favorite program is Animal World.（就划线部分提问） your favorite program?4. My sister often goes to a movie on weekends.（就划线部分提问） your sister often on weekends?5. She sometimes does her homework at school.（就划线部分提问） does she her homework at school?中考链接（ ）1. _ is “Lucky 52” shown on CCTV-2?Every week. A. How often B. How long C. How soon D. How many times（ ）2. How was the weather yesterday?It was terrible. It rained _. People could go out. A. hardly; hardly B. hard; hard C. hard; hardly D. hardly; hard（ ）3. do you exercise?Four times a week. A. How much B. How often C. How long D. How manyw W w .X k b 1.c O m Section B考点4 Here are the results. 调查结果在这儿。 Here是副词，在句首构成倒装句，意为“某处有。”，副词或介词（短语）位于句首的倒装句的动词的单复数形式取决于紧跟后面的名词或代词。 接名词时，该句型用完全倒装，即“here+动词+名词”； 接代词时，该句型用部分倒装，即“here+代词+动词”。 Here comes the train. 火车来了。 In he came.他进来了。考点5 It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 通过上网或观看游戏节目来放松是不错的，但是我们认为放松的最好方式是通过锻炼。句型：it iswas +形容词+to do sth. 句型中it是形式主语，不定代词作真正主语。 It is important to keep the balanced diet.保持均衡的饮食很重要。拓展：（1）it iswas +名词短语+to do sth. It/is not a good habit to stay up late.熬夜太晚不是一个好习惯。（2） it takes(sb.) +时间+to do sth. （take 随时态变化） It takes me about two hours to get to school every day.每天我到校大约花两个小时。注意：在句型“it iswas +形容词+for sb. of sb.+to do sth. ”中，for sb. of sb.作句子逻辑上的主语。 for sb.作句子逻辑上的主语时，形容词为描述事物特征的词，如 hard,important,possible,necessary,useful. of sb.作句子逻辑上的主语时，形容词为描述人的心理、品质、或性格特征的词，如 kind,nice,clever,foolish,polite,rude. Through prep.由于表示原因、手段 We got the news through him.我们通过他得到消息。拓展through的其他用法（1） 穿过 Come in through the open window.从敞开的窗户爬进来。（2） 遍及（=all over）I travelled through Japan. 我游遍了日本。新 课 标 第 一 网（3） （表时间）自始至终 He stayed there through the winter.他在那里待了一个冬天。考点6 She usually watches TV for more than two hours a day.她通常每天看两个小时的电视。more than意为“多于、超过”后接数词、其同义词为over，反义词为less than（少于） There are more than over two thousand students in their school.她们学校有2000多个学生。注意：“more than one+可数名词单数”作主语，谓语动词用单数。 More than one boy comes late this morning .今早不止一个学生迟到。拓展：（1）more than +名词 不仅仅，不只是 You are more than my teacher.你不仅仅是我的老师。（2） more than +形容词、副词 非常，十分，更加 I m more than happy to see you.我非常高兴见到你。（3） more .than.与其说。倒不如说。 I m more a friend than a teacher.我与其说是意为老师，倒不如说是一个朋友。（4） 与more相关的短语 No more than(=only)仅仅，只 not more than不超过 More or less 或多或少 more and more+形容词名词 越来越。 The more.the more.越。越。四、用所给单词的适当形式填空 （5分）31. My father goes to Beijing _ (two) a year.32. Look! Lucy and Lily _ (run) on the playground.33. It is good for us to eat more green _ (vegetable).34. In the USA, most children like _ (eat) junk food.35. Can you find any _ (different) between this photo and that one?36. I think everyone has two _ (foot).37. There is an _ (interest) program on TV every night.38. My mother usually goes _ (shop) on weekends.39. -Do you have a _ (health) lifestyle? Yes, so Im quite well.40. Here are the _ (result) of the student activity survey. http:/w ww.xkb 1.comCLittle Peter is a boy of nine. He began to go to school the year before last and now hes in Grade Three. He lives not far from the school but he is often late for class. He likes watching TV in the evening and goes to bed late, so he cant get up on time in the morning. This term, Mrs. Black, Peters aunt, works in Peters school. She teaches Grade Three math. Shes strict with(严格)Peter and often tells the boy to obey(遵守)the school rules and come to school on time. Yesterday morning peter got up late. When he hurried to school, it was half past eight. His aunt was waiting for him at the school gate. “Youre ten minutes late for the first class, Peter,” Mrs. Black said angrily. “Why are you often late for class?” “Every time I get to the street corner, I see a guidepost(路标). It says:SCHOOL-GO SLOW! ” ( ) 61. Peter is at school for _. A. one and a half years B. two years C. more than two years D. more than three years ( ) 62. Peter is often late for school because _. A. he likes playing very much B. he goes to school slowly C. he cant sleep well at night D. he cant