八年级下册Section A图文课件ppt

Period 1 （Section A 1a-2d）

设计说明

　　本课时的重点是介绍过去进行时的含义及其构成形式。在用现在进行时对话的过程中，创设情境自然导入过去进行时，这样学生易于理解和掌握。然后通过听说练习，对所学时态进行巩固，这样既提高了学生的应用能力，又锻炼了学生的听说能力。在学习过程中，鼓励学生两两合作，小组成员互动，并给学生提供小小的物质奖励，这样可以提高学生的参与热情，又能培养学生的合作意识，形成良好的学习英语的氛围。

教学目标

　　1. 知识目标

　　（1）掌握单词和短语：rainstorm，alarm，begin，heavily， suddenly，strange；go off，pick up（= pick up the phone）。

　　（2）掌握句型：①What was the girl doing at the time of the rainstorm? ②What were you doing last night，Linda? ③When you called，I was taking a shower.

　　（3）理解过去进行时的含义并掌握其构成。

　　2. 能力目标

　　（1）掌握本课时单词、短语和句型。

　　（2）理解并能正确运用过去进行时表达过去正在发生的事情，学会简单描述过去发生的事情。

　　3. 情感目标

　　面对突然来临的自然灾害，增强自我保护意识和应对能力。

重点难点

　　1. 重点：

　　（1）掌握本课时单词、短语。

　　（2）理解并能正确运用过去进行时表达过去正在发生的事情，学会简单描述过去发生的事情。

　　2. 难点：

　　能正确运用过去进行时，谈论过去某一时刻正在发生的事情。

教学准备

　　多媒体课件、录音机、磁带。

教学过程

　　Step 1　Warming up & Leading in

　　1. Greet the students and show pictures to them.

　　T：Hello，boys and girls. Please look at this picture. What’s the girl doing?

　　S1：She is doing her homework.

　　S2：She is studying.

　　...

　　T：What are we doing now?

　　Ss：We are having an English class.

　　T：Yes. And we are going to study something new today.

　　2. Using the pictures and objects to teach the new words and phrases：rainstorm，alarm，go off，begin，heavily，suddenly，pick up，strange.

　　（1）（Show the class a picture of rain.）

　　T：Look at the picture. What’s the weather like?

　　Ss：It’s raining hard.

　　T：Yes. It’s raining heavily and the wind is blowing strongly. It’s a rainstorm.

　　（2）（Show the class an alarm.）

　　T：What’s this?

　　Ss：It’s a clock.

　　T：Yes. It’s an alarm clock. We can also say it’s an alarm.

　　（Set the time and get the alarm to go off.）

　　T：Listen! The alarm begins to go off.

　　（3）（Put a telephone on the desk. Suddenly it rings.）

　　T：（In surprise.）Oh，the telephone is ringing. I pick up the telephone and say that’s a strange man. I don’t know him.

　　3. Then read the new words and phrases and try to remember them.

　　4. Check the class.

　　根据句意及首字母或汉语提示完成句子。

　　（1）—What were you doing at the time of the rainstorm?

　　—I was walking on my way home when it began to rain.

　　（2）Suddenly，I saw my mother waiting for me at the gate.

　　（3）My alarm didn’t go off （发出响声）so I was late for school.

　　（4）Where does that strange （奇怪的）smell come from?

　　（5）I called you last night，but you didn’t pick up （接电话）.

　　Step 2　Practice

　　1. Show the pictures on page 33 on the screen.

　　T：There was a big rainstorm last night. What were the people doing at the time of the rainstorm? Please look at the four pictures and answer the four questions.

　　（1）Where was the girl in Picture a and what was she doing when the rainstorm came?

　　She was in her house and she was doing her homework.

　　（2）Where was the boy in Picture b and what was he doing?

　　He was in the library and he was reading a book.

　　（3）Where was the woman in Picture c and what was she doing?

　　She was at the bus stop and she was waiting for the bus.

　　（4）What was the weather like in Picture d?

　　It was windy and rainy.

　　2. Work on 1a.

　　（1）First read each sentence to the class and ask students to repeat.

　　（2）Then ask students to look at the pictures and match the statements with the people in the picture.

　　（3）Check the answers.

　　Answers：1. b　2. a　3. d　4. c

　　Step 3　Listening

　　Work on 1b.

　　1. Ask students to read the words and phrases in 1b，and make sure they can understand them.

　　2. Tell students what they are going to do.

　　3. Play the recording for the first time. Students listen and circle the correct responses.

　　4. Check the answers.

　　Answers：a. doing my homework　b. reading

c. waiting for the bus　d. walking home

　　5. Play the recording again. Students listen and repeat.

　　Step 4　Pair work

　　Work on 1c.

　　Ask two students to read the sample dialogue to the class.

　　S1：What was the girl doing at the time of the rainstorm?

　　S2：She was...

　　T：Good. Sit down，please. Now work with your partner. Start by reading the conversation in the box with your partner. Then look at the other people in the pictures and have conversations about these people. Use the words and phrases from Activity 1b. Understand? OK. Begin，please.

　　As students talk，move around the classroom checking their work. Offer language support.

　　In the end，ask several pairs of students to show their conversations to the class. Give them small presents if they do their work well.

　　Step 5　Listening

　　1. Work on 2a.

　　Before listening：Have students look at the pictures carefully. Try to predict the order of the pictures. Read the sentences beside the pictures and pay attention to them while listening.

　　（1）Tell students what they are going to do.

　　（2）Play the recording for the first time. Students just listen.

　　（3）Play the recording again. Students listen and number the pictures.

　　（4）Check the answers.

　　Answers：4　1　5　3　2

　　2. Work on 2b.

　　（1）Play the recording for the third time. Students fill in the blanks in the sentences in 2a.

　　（2）Check the answers.

　　Answers：was，looking；woke；ate；was waiting；ran

　　（3）Play the recording again. Students listen and repeat.

　　（4）Complete the passage according to 2a & 2b.

　　Yesterday was a terrible day. My alarm didn’t go off so I woke up late. It was seven thirty when I woke up，and I needed to be at school by eight! I ran to the bus stop... but，I still missed the bus. It was eight thirty when I got to school. My teacher was angry and I felt bad all day. At four thirty，it was time to go home. I was waiting for the bus when... all of a sudden... it began to rain heavily. It was like... a really crazy rainstorm! I thought I had an umbrella in my schoolbag，so I kept trying to look for it. I was so busy looking for the umbrella that I didn’t see a car coming. And it got water all over me! I was waiting like that... completely wet... for maybe almost an hour. Finally，the bus came and brought me home. I took a hot shower and ate some warm food. It felt so good to be home!

　　3. Work on 2c.

　　T：Now work with your partner. Use the information in 2a to retell the story in a conversation between the boy and the TV reporter.

　　Step 6　Role-play（work on 2d）

　　1. Read the conversation and answer the following questions.

　　（1）Why didn’t Linda pick up when Mary called her at first?

　　Because Linda was in the kitchen helping her mom.

　　（2）What was Linda doing at eight o’clock?

　　Linda was taking a shower.

　　（3）What was Linda doing when Mary called her at nine?

　　Linda was sleeping.

　　（4）Why did Linda go to sleep so early?

　　Because Linda was tired.

　　（5）Why did Mary call Linda?

　　Because Mary needed help with her homework.

　　2. Students work in groups. Read the conversation again，and try to understand the conversation.

　　As students work，move around the classroom and give students necessary help.

　　3. Students work in groups to role-play the conversation.

　　As students work，move around the classroom offering language support.

　　4. Ask several groups to role-play the conversation.

　　5. Complete the passage from memory.

　　Mary needed help with her homework. So she called Linda three times last night，but Linda didn’t pick up. When Mary called at seven，Linda was helping her mother in the kitchen. Mary called her again at eight，but she didn’t answer either，because she was taking a shower. Mary called her again at nine，but Linda was sleeping at that time. She slept so early because she was tired. At last，Mary called Jenny and she helped her.

　　Step 7　Cooperative inquiry

　　Discuss the following language points in groups and fill in the blanks.

　　1. go off 的用法

　　（1）意为“闹钟（发出响声）”。

　　When I was dreaming，the alarm went off.

  当我正在做梦时，闹钟响了。

　　（2）意为“（灯）熄灭；停电”。

　　Lights will go off if no one is in the room.

  如果房间里没有人，灯会熄灭。

　　2. begin的用法

　　begin意为“开始”，其后既可以接动词不定式，也可以接动词-ing形式，意为“开始做某事”。

　　注意：当出现以下三种情况时必须使用动词不定式：

　　（1）当主语为物时。

　　 The ice began to melt. 冰开始融化了。

　　（2）当begin后的动词是表示 心理活动的词，如know， think，understand等时。

　　I began to understand how hard my parents work.

　　我开始明白我的父母工作是多么辛苦。

　　（3）当begin在句中是“beginning”的形式时。

　　 We are beginning to play the piano.

  我们开始弹钢琴。

　　【拓展】begin with... 以……开始；用……开头

　　3. pick up的用法

　　（1）pick up意为“接电话”，相当于pick up the phone。 该短语为“动词+副词”结构，当宾语是人称代词时，要放在pick和up之间。

　　I am taking a shower. Could you please pick up my phone?

　　我正在洗澡。请你帮我接一下电话好吗？

　　（2）pick up还可表示“捡起”。

　　My pen is on the ground. Please pick it up for me.

　　我的钢笔在地上。请帮我捡起来。

　　（3）pick up还可表示“接（某人）”。

　　It’s ten o’clock. I must go to the airport to pick up my sister. 现在十点了。我必须去机场接我妹妹。

　　Step 8　Summary

　　From this lesson，we have learned：

　　1. New words and phrases：rainstorm，alarm，begin，heavily，suddenly，strange；go off，pick up（= pick up the phone）.

　　2. Sentences：①What was the girl doing at the time of the rainstorm?

　　②What were you doing last night，Linda?

　　③When you called，I was taking a shower.

　　Step 9　Homework

　　1. Review the words，phrases and sentences in this lesson.

　　2. Preview the new words and phrases on P35 and P36. Find out the sentences with when and while.

板书设计

教学反思