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1、1课题: Module 4 Unit 2 If a snake bites you, take a photo.序号:8知识与技能目标:重点语法:if 引导的条件状语从句if 引导的条件状语从句的两个语言点(1)if 的两个含义弄明白:是否/如果典型例句分析:I dont know if he will come tomorrow, if he comes, I will call you.(2)主从句的世态:主句用一般将来时,从句用一般现在时。典型例句分析:We will go to the park if it doesnt rain tomorrow.重点句型:Wherever you
2、are, you can go to an Internet caf. 无论你在哪里,你都可以去一间网吧。Wherever= no matter where 引导状语从句,类似的还有 however, whenever, whatever, whoever however=no matter howwhenever=no matter when Whenever you come, we will go to the airport to meet you.whatever=no matter what Whatever you do, Ill support you.whoever=no m
3、atter who重、难点:if 引 导的条件状 语从句一条件状语从句表示主句动作发生的条件,在初中阶段常由 if(如果)引导,表示假如有从句的动作发生就会有主句的动作发生。例如: Please call me if he is at home. 假如他在家的话 ,请给我打电话。 条件状语从句和主句还有一个共同的伙伴,有时它可以替代从句和主句,它就是“祈使句+and / or+简单句 ”。其中 and 表示句意顺承;or 则表示转折,意为“否则”。例如: If you work harder, youll pass the exam. = Work harder, and youll pass
4、 the exam.如果你再努力些,你就会通过考试。 If you dont hurry up, youll miss the train. = Hurry up, or youll miss the train. 如果你不快点儿,你就赶不上火车了。二比较下面两个句子:1.Tom wants to know if he needs to come early tomorrow.2. If a snake bites you, take a photo.第一个 if 译成”是否” , 引导的是宾语从句.第二个 if 译成 “如果”, 引导的是条件状语从句 .注意它们的区别:典型例句: I don
5、t know if it will rain tomorrow. If it rains tomorrow, I will stay at home.本模块主要学习 if +从句,祈使句注意: If the machine is working, please dont touch it.三在时间状语从句和条件状语从句中,主句和从句之间的时态要保持一致,具体情况如下: 1. 当主句和从句的谓语动词都是单纯陈述过去的事情时,主句和从句都可用一 般过去时。例如: When my father was ten years old, the World Cup was in Sweden. 22. 当
6、主句和从句所表达的动作基本同时发生或表示客观事实时,主句和从句都可以用一般现在时。例如: When they walk, Cody walks. 3. 当主句的谓语动词是 want, wish,hope 等时,从句通常用一般现在时。例如: Do you want to be a policeman when you grow up? 4. 当主句是一般将来时、一般现在时(包括祈使句和含有情态动词 can, may, must 等),上述两种情况中状语从句必须用一般现在时。例如: What are you going to do after you leave school? Be carefu
7、l when you cross the road. You must see the doctor if you are ill. MODULE4 uint2 单词1、bite (bit,bitten) 咬 2、save ones life 挽救某人生命 3、dish 盘子,(一道)菜 4、appear v.出现 5、hide v.(hid,hidden) 隐藏 6、cool adj.凉爽的,冷静的 7、chest n.胸膛 8、hurt v.(hurt,hurt)刺痛,伤害 9、wrong adj.失常的,错误的 10、medicine 药物 11、suggest v.建议,提出 12、t
8、urn off 关上 13、text n.课文,文本 v.输入文字信息 14、mobycard 手机电子贺卡 课文 : Smile, please! If a snake bites you , take a photo with your mo-bile phone! It may save your life. This is the surprising advice of a British cook.One day Henry Jackson was working in a restau-rant kitchen. He picked up a dish from the tabl
9、e , and suddenly a snake appeared and bit him on the hand.A few days early, the snake came to the restaurant from Asia in a box of bananas. It climbed out of the box and hid under the dish.“I went to try to pick it up and it bit me again. I threw it across the kitchen, and it landed in the fridge. S
10、o I closed the door.” Mr Jackson said.Mr Jackson stayed cool and he took a photo of the snake with his mobile phone. Soon his hand began to ache and he went to hospital. Then his chest began to hurt. Doctors couldnt say what was wrong because they didnt know what kind of snake it was.Then Mr Jackson
11、 remembered his mobile phone photo. The doctors sent it to London Zoo. When they knew the kind of snake ,they could give。Mr Jackson the right medicine, and he left hospital the next day.“So my advice is this: If a snake bites you , pick up your phone. Take its photo first and then show the photo to
12、the doctors” suggests Mr Jackson. Oh, and if the snake doesnt smile for its photo ,dont worry!”知识点拨 :1.If a snake bites you, take a photo with your mobile phone.! It may save your life.take a photo with 用 拍照save ones life 挽救 的 生命2.He picked up a dish from the table ,and suddenly a snake appeared and
13、 bit him on the hand.Pick up= lift sth up 拿起,拾起,捡起(代词宾 格必须放中间)搭车“和”乘车”The car stopped and picked me up.(车停了,我上了 车)Ill come to pick you up.(我会开车去接你.)恢复He is beginning to pick up.(他的健康正在渐渐恢复.)3.appear 3(1) 出现 反义词是 disappear 消失Eg:After a while,a smile appeared on her face.(2)好象是,仿佛 =seemEg: It appears
14、(to be ) a true story.4.bit him on the hand 咬了他的手bite-bit biten bite Kate on the footbite the dog on the backbite her on the handbit him on the hand 咬 伤了他的手动宾介the + 身体某一部位She hit him on the head她打了他的头We were badly bitten by mosquitoes.我们被蚊子咬得够呛拓展:be bitten by sth. 对某事物着迷,热衷于某事物Teenagers shouldnt be
15、bitten by playing computer games.青少年不应对玩电脑游戏着迷5.Anyway,Mr Jackson stayed cool and he took a photo of the snake with the mobile phone.stay cool 保持冷静6. When they knew the kind of snake , they could give Mr Jackson the right medicine, and right (adj.) 合适的 :适宜的Eg: We need to choose the right time to pic
16、k apples.7.suggest 建议 ,提出1).I suggested another plan and he thought it was great.2)He suggests leaving now. We all agree.3)The teacher suggested that we( should ) speak more English in class.基础知识一、首字母填空:1.If you want to play back the video, p_ the green button.2.If a snake bites you , please keep c_. Remember to take a photo of the snake.3