教学目标
知识目标
一、通过本单元教学，进一步学习情态动词的用法。学生能初步掌握情态动词表判断推测的用法。要求学生能用自己的语言复述课文。
二、教学重点与难点
1．重点词汇 organize; repeat; attend; suppose; earn; send out; get through; ring back; make up; out of breath
2．重要句型 1) What a lot of information to send out! 2) Would you mind giving a talk today about DNA? 3) You must be joking! 4) You can't be serious!
3．语法 学习must, may, might, can't, could等情态动词的用法
4．日常交际用语 打电话(Making telephones): 1) Can you ring up. . . ? I can't get through. 2) The line's busy. I'll try again later. 3) Could I speak to. . . , please? 4) Hold on please. 5) Can I take a message? 6) This is . . . speaking. 7) Can you ask. . . to ring me back, please?
能力目标
1． 掌握本单元的重点词汇、词组和句型；运用相关词汇复述课文。
2． 情枋动词表猜测的具体用法。
3． 用英语谈谈英语学习中如何克服平时粗心大意的毛病。
德育及美育目标
让学生认识到粗心会给工作带来不利，并教育学生从现在起养成认真学习的良好习惯，培养严谨的工作作风，干好本职工作，将来更好地为人民服务。
教学建议
课文分析
本单元的课文是一篇幽默故事。通过这个有趣的故事，对粗心大意的人和事进行了含蓄的讽刺和批评，并通过它来教育学生克服粗心大意的不良习惯，养成严谨认真、一丝不苟的作风。
Part1 (Paragraph 1 ) Dr Baker accepted the invitation to the 199. . .Medical Conference in London.
Part 2 (Paragraphs 2—10) Dr Baker was surprised to be asked to give a talk on DNA, which he knew nothing.
Part 3 (Paragraphs 11—18) Someone had made a careless mistake by writing Dr D. Baker instead of Dr Peter Baker, and Dr Baker gave a talk on ENT.
下面的短文概括了这个幽默的主要内容，可供复述：
Dr Baker was very much surprised to receive an invitation to the 199. . . Medical Conference in London. However, he decided to attend the meeting himself. On the morning of the second day of the conference , the main speaker failed to arrive because of the bad weather at the airport. So he was asked to give a talk instead. When the organizer asked him to give a talk on DNA, Dr Baker told him that he was an expert on ENT. Later the organizer discovered the mistake. Though the organizer had put Dr P. Baker's name on the list of speakers, when the invitation list was being done, someone had made a careless mistake and had written “Dr D. Baker” instead. Anyhow Dr Baker did give a talk that day and everyone at the conference was very interested in it.
词汇分析
accept , receive
accept表示主观上“接受，接纳”
receive表示客观上“收到，受到，遭受，接受”，与主观愿望没关系
I received a gift, but I didn’t accept it.
The pop star received a warm welcome at the stadium
reply, answer
reply既可作不及物动词，也可作及物动同，还可作名词。作不及物动词时，作“回答”，“答复”解，可用 reply to sth／sb.；作及物动词时，是“回答”，“回答说”的意思，后接直接引语或宾语从句；用reply作名词时，作“回答”“答复”解，后可跟介词to，表示“对……的回答\答复”。
answer作及物动词时，后面可直接跟名词作其语，也可作名词，作“答案”“回答”解，后面也可跟介词to。
Have you replied to his invitation？
She didn’t answer my question．
ring back, ring off，ring up
1）ring back意为“回一个电话”。back是副词，其宾语是代词时，要将这个代词放在 back之前。
2）ring off意为“挂断电话”。
3）ring up意为“给某人打电话”。其中 up是副词，如有宾语，则将宾语放在up之前。如：
Tell him to ring me back when he returns home.他回家后告诉他给我回个电话。
I have to ring off now because many people are waiting to make a phone call. 我必须挂电话了，因为有很多人在等着打电话。
If you have any questions to ask me, please ring me up. 如果你有问题要问我，请打电话。
meeting, conference
二者都作“会议”解，其区别在于：
1） meeting指一般性会议，可用于任何场合。
2）conference是比较正式的用语，指就专门问题进行研究或交换意见的会议或大型的会议。
We had a meeting thismoring．上午我们开了个会。
They will have a medical conference next week．下周他们有个医学研讨会。
organize，found，form
l）organize组建，筹备，其名词形式是organization。
2）found指“建立、成立”，强调打下基础或创建，仍有待进一步发展和完善。
3）form指“构成、形成”，强调所构成的东西必须具有外形或具有一定的结构或包含设计工作。
Let’s organize a volleyball team我们组建一个排球队吧。
This company was founded in 1872. 这家公司创立于 1872牛。
His character was formed in his childhood他的性格是在儿童时期养成的。
funny; interesting
这组形容词都可作“有趣的”解。
funny指由于有趣的行为、外表、性格或内容而逗人发笑，也可指不寻常的事令人“难于理解”。如：
interesting“令人感兴趣的”，表示主动引起别人兴趣。含有主动意味。作表语时，主语通常是物；作定语时，可修饰人，也可修饰物。如：
I heard such a funny story this morning. 早上我听了一个有趣的故事。
Zheng Jie has some interesting plans. 郑杰有一些有趣的计划。
That sounds very interesting. 听起来倒有是挺有趣的。
earn, gain, get ,win
这组动词都可表示“得到、获得”；但用法不同。
earn指经过艰苦努力所得的报偿，意为“赚得、挣得、博得”。
gain 指在斗争中、竞争中作出很大努力而“获得”，且所得东西具有一定价值。
get是这组向中最普通的用词，常用于口语，表示不管通过何种方式，无论是主动争取还是被动接受，只要是“获得”都可用get．
win指具有优越的特质或条件而能克服各种困难而“赢得”。
They have bought a new house．They must earn a lot of money．他们买了一所新房子，他们一定挣了许多钱。
I’m new on the job but I am already gaining experience．我干这工作是新手，但我已经在获得经验。
In Barcelona, the Chinese team got 16 gold medals．在巴塞罗那，中国队获得16块金牌。
Who won the race？这场赛跑谁赢了？
重点讲解
What a lot of invitations to send out！
短语动词“send out”作“发出、送出”解。例如：
The ship sent out a message for help．
“send out”与“give out”，“give off”同义，例如：
The sun sends out light and heat．
与send搭配的其他短语：
send for（派人去叫，请） send up（发射，把……送上去）
send back（遣返，送还） send off（寄出，发出，为……送行）
send down使价格下降） send round（传阅，传递）
send a message（发送消息）send a telegram（发电报）
send a blow（给人一击） send sb. away（解雇）send sb. mad(drive sb. mad)（使人发狂）
If Dr Baker is in the hall，will he please make himself known to me？
句中的“make himself known to me”的意思是“向我作自我介绍”。这里的make作“使/令”解，常用于“make oneself+过去分词”结构，如：
make oneself known（使……被了解），make oneself understood（使……被理解）等。例如：
Will you please make yourself known to us in English？
Her voice is so low that she can’t make herself heard．
Hold on , please. 请稍等。
1）hold on表示“别挂，等一等”，是电话用语，等于hold the line，常用祈使句表示。如：
—Can I speak to Mr. Smith?
—Hold on , please. I’ll go and see if he is in.
—我想跟史密斯讲话，好吗？
—请稍等，我去看他在不在。
2）电话中“请等一下”还有。
A minute , please,
Just a minute.
Just a moment.
One moment, please.
Hang on a moment, please.
Hang on a minute, please.
Don't hang up , please.
Hold on a second, please.
Hold the line, please.<
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