Unit 3 SafetyLesson 15 My Helmet Saved My Life 教材分析1. Analysis of the Students The students of Grade 9 have mastered certain vocabularies，expressions and structures. They also have the abilities of self-teaching and working in groups. Most of them are willing to express their opinions in English.2. Analysis of Teaching ContentLesson 15 is the third lesson in Unit 3, Book 5.This unit focus on the subject safety. Students cares about the subject because it is close to everyone. Lesson 15 mainly talks about how to keep when we ride bikes. 教学目标【知识目标】Enable Ss to use new words: careless, blood, stranger, all of a sudden, etc.【能力目标】Enable Ss to retell the story about this lesson and write about how to keep safe when we ride bikes.【情感目标】Be aware of safety when you ride bikes.来源:学优高考网【教学重点】New words: careless, blood, stranger, etc.Phrase: all of a sudden, go down, take off, Thank goodness, etc.【教学难点】来源:gkstk.ComWrite an article about how to keep when we ride bikes. 课前准备 Tape recorder, Multimedia 教学过程来源:学优高考网Step 1. Warm-up1. Enjoy someone by cycling.2. Free talk: Cycling is fun. Before you get on your bike, what should you check?Step 2. Presentation3. Listen and tick the sentences mentionedCheck the brakes, light and types.Ride on the sidewalk.Make a way for people walking.Dont play with others.Wear light-coloured clothes.来源:学优高考网Follow the traffic signs and rules.Always wear your helmet.4. Check the answers.5. Listen to the lesson again and write T or FHer head hit the ground. ( )She stood up and shouted for help. ( )Her friend came to help and drove her to the hospital. ( )Her bicycle helmet saved her life. ( )6. Check the answers.7. Explain the language pointsAll of a sudden,WHAM! all of a sudden意为“突然”，相当于suddenly，常在句中作状语，说明某一动作发生时的情况。wham在本句中为感叹词，意为“砰，嘭”，它还可用作名词，表示“重击声，重击”，用作动词表示“重击，砰砰地打”。I went down hard on my right side. go down在本句中意为“倒下”。go down还可意为“下去，蹲下，下降”。on在本句中意为“凭借，靠”，side意为“(身体)侧边，肋”。on my right side在这里指“我以右侧身体着地”。“Theres something wrong with me,”I thought. “Theres something wrong with”意为“有问题”，相当于“Something is wrong with”,其否定式为“There is nothing wrong with”或“There isnt anything wrong with”。 I felt so terrible that I lay down again. sothat意为“如此以至于”。so为副词，后面可接形容词或副词，that为连词，后接结果状语从句。与sothat类似的结构为：suchthat。二者意思相同，不同的是such后面接名词。Sothat引导结果状语从句，可以与tooto或“not+形容词+enough to do sth.”作同义句转换。My hand and knee were bleeding. bleed为动词，意为“流血，失血”，是blood的动词形式，其过去式、过去分词为bled。take off在本句中意为“脱下”，反义词组为put on。take off还表示“(飞机等)起飞”之意。There was a sharp rock sticking out of it. stick out of意为“从伸出来”。stick为动词，意为“插入，穿入”，过去式、过去分词为stuck。Thank goodness I wore my helmet! thank goodness意为“谢天谢地”，也可说成thank God。My bicycle helmet saved my life! save为及物动词，意为“救，挽救”，句中短语save ones life意为“救某人的命”。(1)save sb./sth. from意为“挽救某人/某物于，从救出某人/某物”，from后跟sth.或doing sth.。来源:gkstk.Com(2)save还可意为“节省，节约”。save sth.意为“节省某物”，save sb. sth.意为“为某人节省某物”。But before getting on a bicycle, you should double check the following things: get on意为“上(车、飞机等)”，反义词组为get off。The tyres are neither too full nor too flat. Neithernor意为“既不也不”，为并列连词词组，连接两个相同成分。连接两个并列主语时，谓语动词通常与最近的主语在人称和数上保持一致。Step 3. Practice1. Read and answer the questions.(1) What caused her fell down?(2) Why did she lie down again?(3) What were her hand and knee like? (4) What was wrong with her helmet?(5) Where did the stranger put her bike and took her to the hospital?2. Check the answers and find the keys.3. Fill in the blanks with the correct forms of the words in the box.blood, knee, stick, stranger, careless(1) I hurt my_, and its painful when I walk. (2) Although they were_, they got on very well with each other. (3) He stopped the car and found a nail_ in the tyre. (4) It is an honour for everyone to give_. (5) He failed the exam because he was so_ with his spelling. Step 4. Consolidation 1. Work in groups. Discuss what you should do to keep safe when you ride a bicycle. Then write a short passage and present it to the class.Step 5. Homework1. Listen and read.2. Finish exercises of this lesson. 教学反思略。