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1、年级八科目英语周次主备人肖娇李金艳学案序号3-4班级课题Unit 2 Section B备课组长审核学校审核姓名教师寄语：A little knowledge is a dangerous thing.教学目标：1. 掌握Section B 中出现的重点单词、词组2. 学会谈论日常动作和行为发生的频度3. 学会百分数的表达教学重难点：如何谈论日常动作和行为发生的频度以及频度副词的正确表达。 -How often do you -? -Every day.第三课时Step 1 .预习自学部分一，学习背诵单词并自查咖啡 _ 身体 _ 健康 _ 作家 _ 牙医 _ 杂志 _ 头脑；心智_ 结果 _
2、电视机 _ 百分之-_ 点；得分 _ 然而 _ 虽然；尽管 _ 以，凭借，穿过 _例如；像-这样 _ _ 多于 _ _少于 _二， 通读课本P12-15 ， 找出下列短语和句子1. 多久一次 _ 2. 一周三至四次 _ 3. 最好的放松方法 _ 4. 在他们的闲暇时间 _5. 熬夜 _ 6. 你多长时间和一次牛奶？_ 7. 你多长时间锻炼一次？_8. 每晚你睡几个小时？_Step 2. 预习检测一， 根据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 ball is white.3. Mo Yan
3、is a famous Chinese w_ in the world.4. Im thirty . I want to d_ some water.5. Children like eating j_ food.二，用所给词的适当形式填空。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 week.第四课时Step 1. 复习检测基础知识
4、一， 根据汉语意思完成下列句子1. 你妈妈周末通常干什么？ -她经常去购物。 -_ _ your mother usually do _ _/ -She _ goes shopping.2. 你弟弟多长时间上一次网？ -一周两次。 -_ _ does your brother _ _ _? -_ _ _.3. 你多久帮妈妈做一次家务？ -至少一周二次。 -How _ _ you _ mum _ housework? -_ _ _a week.4. 你在学什么类型的舞蹈？ -摇摆舞。 -_ _ of dance are you _? -_ dance.5. 他几乎不跳舞。 He _ _ _.St
5、ep 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. 区分使用 how often , how long , how many times(1) how often 意为“多久一次”， 用来提问事件发生的频率，回答时常用once a week , twice a month , every day , sometimes , often , usually , h
6、ardly ever , never 等(2) how long “ 多长时间/多久”，对介词for 或since 引导的时间状语进行提问。(3) how many times “ 多少次”， 询问次数，常对“once , twice , three times” 等提问。跟踪练习：(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 medicine a day ? -Three time
7、s. A. How soon B. How long C. How often D. How many times2. 想干-(1) want _ (2) would like _跟踪练习：n My mother wants me _ (help) her with some housework.n My parents want me (study) hard.n Tom wants to watch TV.(同义句转化)Tom to watch TV.3. She says its good for my health. 她说它（牛奶）对我的健康有益。（1） 这是一个主从复合句， she
8、是主语，says 是谓语，后面部分是一个宾语从句。（2） be good for 意为“对-有好/益处”，其反义词组是“be bad for” (对-有害)。短语拓展：be good at be good with 跟踪练习：(1) Staying up _ _ _our health. （对-有害） (2) Eating more vegetables _ _ _ our health. (有益于) (3) Smoking your health. （对-有害）三， Listen and fill in the blanks of 1d.四， Ask and answer the 1eSte
9、p 3 . Reading1. 百分数表达：数字+percent如：5% _ 15% _2. Here are the results. 这是结果。在以here , there 等引导的句子中，谓语动词为be , come , go 时，句子要用倒装句。当主语为名词时，用完全倒装，即谓语放在主语之前，当主语为代词时，用不完全倒装，即谓语放在主语之后。如：(1) Here _ the bus . (come) (2) Here _ _ . (给你)3. She always watches TV for more than two hours a day.“more than ”+数量词 “超过
10、-”， 其反义词为 “less than” “少于，不到”如：(1)500 多棵树 _ _ 500 trees 500 trees (2) 不到200 元钱 _ _200 yuan4. however adv. (副词) “无论如何”， 放在句首，逗号隔开，修饰整个句子。如：She is a good girl . However , she has some bad habits. 她是一个好女孩，然而她有一些坏习惯。Im not good at English . However , I try hard. 我不擅长英语，然而我尽力了。五Finish 3aStep 4 跟踪练习一，单项选择
11、。( ) 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 wrong 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
