八年級上冊人教版英語unit2sectionB

1、真誠為您提供優(yōu)質參考資料，若有不當之處，請指正。年級八科目英語周次主備人肖嬌李金艷學案序號3-4班級課題Unit 2 Section B備課組長審核學校審核姓名教師寄語：A little knowledge is a dangerous thing.教學目標：1. 掌握Section B 中出現(xiàn)的重點單詞、詞組2. 學會談論日常動作和行為發(fā)生的頻度3. 學會百分數(shù)的表達教學重難點：如何談論日常動作和行為發(fā)生的頻度以及頻度副詞的正確表達。 -How often do you -? -Every day.第三課時Step 1 .預習自學部分一，學習背誦單詞并自查咖啡 _ 身體 _ 健康 _ 作家

2、_ 牙醫(yī) _ 雜志 _ 頭腦；心智_ 結果 _ 電視機 _ 百分之-_ 點；得分 _ 然而 _ 雖然；盡管 _ 以，憑借，穿過 _例如；像-這樣 _ _ 多于 _ _少于 _二， 通讀課本P12-15 ， 找出下列短語和句子1. 多久一次 _ 2. 一周三至四次 _ 3. 最好的放松方法 _ 4. 在他們的閑暇時間 _5. 熬夜 _ 6. 你多長時間和一次牛奶？_ 7. 你多長時間鍛煉一次？_8. 每晚你睡幾個小時？_Step 2. 預習檢測一， 根據句意及首字母提示完成句子1. Would you like to drink cola or c_?2. About 20 p_ of the

3、ball is white.3. Mo Yan is a famous Chinese w_ in the world.4. Im thirty . I want to d_ some water.5. Children like eating j_ food.二，用所給詞的適當形式填空。1. Bill is _ （health）.2. My teacher wants me _ (read ) English stories after class.3. Would you mind _( give ) me a hand?4. He eats junk food _ ( one ) a w

4、eek.第四課時Step 1. 復習檢測基礎知識一， 根據漢語意思完成下列句子1. 你媽媽周末通常干什么？ -她經常去購物。 -_ _ your mother usually do _ _/ -She _ goes shopping.2. 你弟弟多長時間上一次網？ -一周兩次。 -_ _ does your brother _ _ _? -_ _ _.3. 你多久幫媽媽做一次家務？ -至少一周二次。 -How _ _ you _ mum _ housework? -_ _ _a week.4. 你在學什么類型的舞蹈？ -搖擺舞。 -_ _ of dance are you _? -_ danc

5、e.5. 他幾乎不跳舞。 He _ _ _.Step 2 . P12 1a-1e一，1. Read through the pictures in 1a and match the words with them. 2. Use the words in 1a to ask and answer questions.二，合作探究1. 區(qū)分使用 how often , how long , how many times(1) how often 意為“多久一次”， 用來提問事件發(fā)生的頻率，回答時常用once a week , twice a month , every day , sometim

6、es , often , usually , hardly ever , never 等(2) how long “ 多長時間/多久”，對介詞for 或since 引導的時間狀語進行提問。(3) how many times “ 多少次”， 詢問次數(shù)，常對“once , twice , three times” 等提問。跟蹤練習：(1) -_ do you drink coffee? -Once or twice a week.(2) -_ does it take to fly to Shanghai? -About two hours.(3) -_ do you take the medi

7、cine a day ? -Three times. A. How soon B. How long C. How often D. How many times2. 想干-(1) want _ (2) would like _跟蹤練習：n My mother wants me _ (help) her with some housework.n My parents want me (study) hard.n Tom wants to watch TV.(同義句轉化)Tom to watch TV.3. She says its good for my health. 她說它（牛奶）對我的

8、健康有益。（1） 這是一個主從復合句， she 是主語，says 是謂語，后面部分是一個賓語從句。（2） be good for 意為“對-有好/益處”，其反義詞組是“be bad for” (對-有害)。短語拓展：be good at be good with 跟蹤練習：(1) Staying up _ _ _our health. （對-有害） (2) Eating more vegetables _ _ _ our health. (有益于) (3) Smoking your health. （對-有害）三， Listen and fill in the blanks of 1d.四，

9、Ask and answer the 1eStep 3 . Reading1. 百分數(shù)表達：數(shù)字+percent如：5% _ 15% _2. Here are the results. 這是結果。在以here , there 等引導的句子中，謂語動詞為be , come , go 時，句子要用倒裝句。當主語為名詞時，用完全倒裝，即謂語放在主語之前，當主語為代詞時，用不完全倒裝，即謂語放在主語之后。如：(1) Here _ the bus . (come) (2) Here _ _ . (給你)3. She always watches TV for more than two hours a

10、day.“more than ”+數(shù)量詞 “超過-”， 其反義詞為 “l(fā)ess than” “少于，不到”如：(1)500 多棵樹 _ _ 500 trees 500 trees (2) 不到200 元錢 _ _200 yuan4. however adv. (副詞) “無論如何”， 放在句首，逗號隔開，修飾整個句子。如：She is a good girl . However , she has some bad habits. 她是一個好女孩，然而她有一些壞習慣。Im not good at English . However , I try hard. 我不擅長英語，然而我盡力了。五Fi

11、nish 3aStep 4 跟蹤練習一，單項選擇。( ) 1. I think eating more _ food can help you keep _. A. health ; health B. health ; healthy C. healthy ; health D. healthy ; healthy ( ) 2. _ he is young, he looks _ himself well. A. Although ; at B. Though ; after C. But ; for D. However ; after( ) 3. Theres something wro

12、ng with my teeth, so I have to _. A. go to the doctor B. go to the shop C. go to the library D. go to the dentist( ) 4. A _ girl named Dong Xinyi looked after her disabled father. A. three-year-old B. three-years-old C. three-years-old( ) 5. Running is a good way _ healthy. A. keeps B. to keep C. to

13、 be in D. be in good ( ) 6. -_ of the students agree with you . A. 20 percents B. 20 percent C. The 20 percent D. The 20 percents( ) 7. -_ do you surfer the Internet , Maria ? -Twice a week. A. How long B. How often C. How soon( ) 8. You can ask that policeman _ help. A. about B. for C. to D. from(

14、) 9. Some students watch TV three _ four _ a week. A. and ; times B. but ; times C. and ; time D. or ; times( ) 10. Eating fruit and vegetables is good _ our health. A. at B. in C. under D. for二， 翻譯：1. 你多久讀一次英語？_ _ do you read English?2. 他有時在家?guī)椭黾覄铡?He sometimes _ _ _ at home.3. Kate 幾乎不玩電子游戲。 Kate

15、_ _ plays computer games.4. 我每周至少去看兩次電影。 I go to the movies _ _ _ a week.5. 她每月看四次電視。 She watches TV _ _ _ _.三， 拓展延伸 Are you in good health? (1) Do you want to keep healthy? If you want, please do the following things. First of all, you should exercise every day , such as playing basketball , joggin

16、g (慢跑) . No sports, no life. Second , you should have a good eating habit. You should try to eat more vegetables and fruit and (2) _ milk every day . You d better eat junk food as little as possible. Please remember : (3) An apple a day keeps the doctor away.Its important for us to have a healthy lifestyle and eating habit.