unit 2 how often do you exercis？period 7（section b 3a-3c）learning objectives1.掌握下列單詞：dentist, magazine,however, than, more than2. finish 3a3.finish 3b and 3c.鍛煉寫作能力。重點和難點【important and difficult points】 1.重點：掌握下列單詞：dentist, magazine,however, than, more than；finish 3a and 3b.2.難點：finish 3c.鍛煉寫作能力。預習內容【preview contents】自主預習并完成period 7 section b 3a-3c的導學單，為上課做好準備。學習過程【learning process】一、 預習反饋，明確目標【preview feedback, clear objective】.翻譯下列單詞及短語。1.牙科醫生_2. 雜志，期刊_3. 然而，不過_ 4. 比_ 5.多于_ 6. 吃漢堡包_ 7.熬夜_10. 去看牙醫_ 11.好習慣_.將下列頻度副詞按頻率由大到小排序，寫在橫線上。never; usually; hardly ever; sometimes; always; often; seldom(很少); once; twice; ever; every day_二、創設情境，自主探究【create situations, self inquiry】 finish 3a and check the answers.三、展示交流，點撥提升【display communication, coaching to enhance】 writing：finish 3b and 3c. try to write a report about your good and bad habits accroding to 3b. you can use the report in 3a as an example.四、師生互動，拓展延伸【teacher- interaction, development】grammar focus：1. however 副詞，意為“然而，可是”，表示轉折關系，可放在句首、句中、句末。 e.g. i was hungry, however, she gave me some water. 我很餓，但她卻給了我一些水。 my father, however, didnt drive there. 可是我父親沒有開車去那里。 2. more than，意為“多于”，相當于over; 其反義詞為less than ，意為“少于” e.g. it never takes more than/over half an hour to get to school. 到達學校用時從未超過半小時。 theyll stay there for less than three days. 他們會在那里呆不到三天。 3.復習一般現在時的用法。（1）表示現在的狀態tom lives in beijing.（2）表示經常性或習慣性的動作，常與 always, often, sometimes, every day, on weekends, once a month, three times a day， in the morning/ afternoon, / evening, at noon, at night ,on sunday(s), at seven 等表示頻率的副詞或時間狀語連用。i go to school at seven every day. he plays soccer on sundays.（3）表示主語具備的性格和能力等 she likes apples. they speak japanese.（4）表示客觀事實或普遍真理。the sun rises in the east and sets in the west. 五、達標測評, 鞏固提高【evaluation standards，consolidation and improvement】.寫出下列動詞的第三人稱單數。1.drink _2. go_3.stay_ 4.make_ 5.have_6.pass _7.carry_8.watch_9.fly_10.study_11.brush_ 12.do_.用所給詞的正確形式填空。1. we often_(play) in the playground.2. he _(get) up at six oclock.3._you_(brush) your teeth every morning?4. what_ he usually_(do) after school?5. danny _ (study) english,chinese,maths,science and art an school.6. mike sometimes _(go) to the park with his sister.7. at eight at night, she _(watch) tv with his parents.8. _ mike_(read) english every day?9.how many lessons_ your classmate_(have) on monday?10. what time_ his mother_(do) the housework?11. mike _(like) cooking.12. they _(have) the same hobby.13. my aunt _(look) after her baby carefully.14. you always _(do) your homework well.15. i _(be) ill. im staying in bed.16. she _(go) to school from monday to friday.17. liu tao _(do) not like pe.18. the child often _(watch) tv in the evening.19. su hai and su yang _(have) eight lessons this term.20. what day _(be) it today? its saturday.用所給詞的正確形式填空。1. i want you _( play ) soccer with me.2. my father hardly exercises , so he is a little _( health).3. why not _( go ) to the movies?4. we should have good _ ( eat ) habits.5. do you like _( tomato)?6. you must _ ( look ) after yourself.7