Lesson 98 多媒体教学设计方案
Teaching Aims
1.Study this lesson to know that one should be careful with his work..
2.Let the students grasp the main idea by understanding the key words and phrases.
3.Get the students to know about new words.
Teaching Procedures
Step 1 Presentation
教师活动：教师展示图片（见ppt.）让学生能从此图片了解课文的内容，学生能否猜到事情发生的情况，教师可提问全班学生。
What happened to them from this picture?
Step 2 Watch the Video
教师活动：教师播放视频（见ppt.），可播放一至两遍，然后给出问题，提问两到三个学生。
Why was Dr Baker surprised when he received the invitation?
Step 3 Listening
教师活动：教师播放听力录音（见ppt.），在播放第一段过程中之后，可让学生浏览一遍课文内容。
After listening ,please answer the main idea of each paragraph.
Paragraph 1
Key: Dr Baker was invited to attend Medical Conference in London.
Paragraph 2
Key: Dr Baker was surprised to be asked to give a talk on DNA, which he knew nothing.
Step 4 Intensive Reading
学生活动：学生通过仔细阅读课文两到三遍，也可大声地朗读，然后做教师提出的问题。
Ask the students to read the text quickly and choose the best answer to each question.
1. The main speaker didn’t arrive on time because ________.
A. she had changed her mind
B. she returned for her notes
C. she missed her plane
D. the weather was bad
2. It proved that Dr. Baker s appearance at the conference was ________to the organizer.
A. an unknown mistake B. a serious problem
C. a pleasant surprise D. a well-kept secret
3. Why did the organizer ask Dr. David Baker to give a talk on DNA?
A. He knew the world-famous expert very well.
B. He thought he was another expert on DNA whose name was Peter Baker.
C. He just wanted to make fun of Dr. Baker.
D. He wanted to please the people there by telling a joke.
4. Which of the following statements is true?
A. The organizer made the careless mistake.
B. David Baker also did research in DNA at college.
C. Dr. Lively was going to give a talk on ENT.
D. David was a bit angry at such a careless mistake.
5. Can you guess what will happen next year?
A. The organizer will not invite Dr. Baker.
B. Dr. Baker will not come to their meeting.
C. They will not invite more experts to the meeting.
D. Dr. Baker will come to attend their meeting.
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Key: DCBCD
Step 5 Extensive Reading
学生活动：学生快速阅读课文一遍，然后回答教师提出的问题。
Please read the text quickly then answer the questions.
1. Why did Dr. Baker look at his diary after he got the invitation?
2.Why do you think one or two people were surprised to see him?
3.Do you think the organizer know Dr. Baker? How do you know?
4. What did the organizer want Dr. Baker to do?
5.Can you imagine how the organizer would feel after Dr. Baker said, “You must be joking! I know nothing at all about that subject”?
Key:
1.Because he wanted to see whether he would be free that week.
2.Because they had never thought Dr. Baker would come to such a conference.
3.No, he didn't. He politely asked Dr. Baker to step out to make himself known to the organizer.
4.He wanted Dr. Baker to give a talk about DNA.
5.He must be equally surprised at Dr. Baker because he could not understand a mistake had been made.
Step 6 Practice
教师活动：教师展示四张图片，让学生说出图片的内容。教师提问若干个学生，练习学生的口语能力
Please talk about Dr. Baker’s experiences based on each picture with your own words.
Key:1.Dr. Baker was surprised when he received the invitation one day.
2.Two of them greeted to the Dr. Baker and was surprised to see him.
3.The organizer was so glad that Dr. Baker stood up to help the organizer to give a talk.
4.The organizer was saying sorry to all listeners that the speaker didn’t not reach because of bad weather.
Step 7 Language study
教师活动：教师讲解课文的重点词汇与语句，之后教师分别给出词汇，让学生练习。
学生活动：学生在学习和掌握词汇用法后， 分别回答教师给出的问题。
Fill in the blanks with proper words.
out of breath, hold on, take a message, get through, stand for, make oneself known, ring back, point out, make up, send out
1. There are some invitations ________ .
2. I tried to call you up but I couldn’t_____.
3. I’ll _________ you _________ when I know the answer.
4. When he climbed up the hill, he was _________.
5. Will you please ________ a price list?
6. I asked her_________ while I left the telephone to call you.
7. She isn't in. Can I_________?
8. What does CBA ________?
9. May I _________ to the organizer at the conference?
10. He ________ her________ to me.
1. to send out 2. get through
3. ring; back 4. out of breath
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5. make up 6. to hold on
7. take a message 8. stand for
9. make myself known 10. pointed; out
Step 8 Writing
教师活动：教师给出写作的内容（见ppt.）给学生一段的时间来写，然后教师提问学生，在给予指正。
学生活动：学生根据作文内容，在一定的时间内完成，用自己的语言描述此内容。
根据提示写一篇以会议组织者的口吻描述第二天的情况:
1) the first day, OK; 2) the main speaker would not be able to arrive the second day; 3) everybody was worried; 4) invite Dr. Baker to give a talk; 5) know nothing about DNA
Suggest answer:
The medical conference went on smoothly the first day. But on the morning of the second day, we were told that the main speaker. Dr. Lively would not be able to arrive that day because of bad weather at the airport. It was already lecture time and everybody was worried. Then we decided to invite Dr. Baker to give a talk on DNA instead. I knew Dr. Baker was in the hall. But when I told him this, he said he knew nothing about DNA and he was not Peter Baker but David Baker. Strange!
Step 9 Discussion
教师活动：教师展示一张图片（见ppt.）给出学生问题，教师可适当给出词汇，教师把学生分别若干小组分别讨论，然后教师提问学生，同时教师也可说出自己的看法。
Topic: If you were the organizer of the picture, how would you do when Dr. Baker said he was ENT?
Step 10 Homework
1.Finish off the Workbook exercises.
2.Read the story in this lesson again.
3.Prepare Lesson 99.
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