8．drop in, drop in on 与drop in at的区别
drop in 意为“顺便走访” He often drops in for tea. 他经常顺便来喝茶。
drop in on 后接人意为“顺便拜访某人”。
She dropped in on me yesterday.
drop in at后接表示地点的名词意为“顺便来（去）某处看看”。
Tom usually drops in at my place on his way home. 答题时要注意drop in后所接的名词表示的意思。
Jane used to ____ the tailor’s on her way home from work.
A. drop in B. drop in on C. drop in at D. drop at
詹妮以前常下班后去成衣店看看。the tailor’s 表示地点，故正确答案为C。
9．run的用法
1）表示“跑，奔跑，赛跑”。
The boy ran off as soon as we appeared.我们一来，孩子们都跑了。
She used to run when she was at college.在大学时她经常练跑步。
2）run还可表示“（火车、汽车、轮船等）往来行驶”
Buses to Oxford run every half hour.去牛津的公共汽车每半小时一班。
The trains don’t run on Christmas Day.圣诞节火车停驶。
3）run可用业表示“（液体）流动”。
Could you run me a hot bath?你给我放盆热水洗澡好吗？
Your nose is running.你又流鼻涕了。
4）run表示“（衣服上的染料或颜色）掉色，扩散”。
I’m afraid the color ran when I washed your new skirt.很遗憾， 我洗你那条新裙子的时候它掉色了。
5）run可表示“融化”。
It was so hot that the butter ran.天太热，黄油开始化了。
The wax began to run. 蜡开始融化了。
6）run还可表示“负责、经营、管理”。
He has no idea of how to run the successful business.他不知道把企业办好的方法。
Stop trying to run my life for me.我的生活用不着你来管。
10．Come, come. Get him his change. Tod. ( = Hurry up. Tod, Give the man his change.) 得了，得了，给他找钱吧，托德。
句中的come用作感叹语，表示“劝导”，“不耐烦”的情绪。come作感叹语用时，在不同的情况下，可以表示不同的感表，如“鼓励”、“惊异”、“命令”等。例如：
Come, come, Alice, you must be patient. 好了，爱丽丝，你得忍耐点。
本句中的change是不可数名词，作“零钱”，“找给的钱”解。又如：
Here is your change. 这是找给你的零钱。
change还可以用作及物动词，作“零钱”，“换钱”解。
Could you change a 10-yuon note, please? 你能换开10元钱吗？
教学目标
Teaching Aims and demands
本单元通过学习马克·吐温的《百万英镑》并改编成短剧形式的课文，学生能初步了解作者的风格。学生应能在教师的指导下，排演这个短剧。通过对话课的学习与操练，学生接触表示坚持个人意见的常用语句，并要求学生运用到实际会话中。学习并初步掌握as if和no matter引导让步状语从句的用法。
Teaching important and difficult points
1．单词
run, choice, note, change, fool, order, pleasant, right, assistant, customer, foolish, insist, tailor depend, favo(u)r , apologize, excited
2．词组
shop assistant, a clothes shop, give back, or else, change…for …, in the sun, try on, depend on, take place, get off, put on, drop in, once upon a time, do up, in fact, keep back, play the part of, next to
3．交际用语
There seems to be something wrong with it.
I would like you to change this blouse.
You sold me a blouse that I can’t use any more.
教学建议
课文建议
在Lesson 38课，建议教师应组织学生1）以节目的形式演出这段对话。2）教师可选取录像或多媒体形式完成此课的教学任务。3）教师把学生分成三人一组，适当准备一些道具排演本课的最后结局的短剧。4）教师要求学生找出能刻画服装店老板人物特征和心理变化的相关语句。如：There’s a customer, Tod, Will you serve him? / No matter what he is wearing , Tod, just show him the cheapest./Come, come. Get him his change, Tod..
对话分析
本单元对话是讲述在服装店调换衣服的经过，学生对其内容较易理解，但一些新单词的用法应掌握，如：customer, run, insist, change…for…。本课中也提供了给学生做相应对话的练习，如：A pair of trousers, A radio的口语练习。
教学重点难点
1.serve的用法
1)serve(sb.) as sth.表示“为（某人）工作，（尤指）当佣人”。
He served as a gardener and chauffeur.他做园艺工人兼司机。
2)serve还可表示“供职，服役”。
He has served his country well.他为国尽职。
3)serve sb. (with sth.). 表示“将（饭菜）端上桌。”
Four waiters served lunch for us.有四位服务员招待我们吃午饭。
4)serve 还可用于“（在商店等处）接待（顾客）或为顾客取货物”的意思中。
Are you being served?有售货员接待您吗？
He served some sweets to the children.他为孩子们拿来了他们想要的糖。
5)serve 还指“（一份饭）够……”。
This packet of soup serves two.这包汤料够两个人食用。
2.judge的用法
1)judge用作动词，表示作“断定，估计，认为”解。其后可带宾语从句，也可带不定式或形容词、名词等引导的宾补成分。
We judge that they have finished.我们估计他们已经干完了。
We judge them to have finished.我们估计他们已经干完了。
She judged him about fifty.她估计他在五十岁左右。
The committee judged it better to start the investigation at once.委员会认为最好立即开始此项调查。
From his letter, we judged his visit to China a great success.从他的来信判断他对中国的访问非常成功。
2)judge用作“判断，断定”解时，还可接wh—分句或wh—加不定式结构。
I can’t judge whether she was right or wrong.我不能断定她是对还是错。
3)judge还可表示“评判，评价”，可说judge sb. / sth.
Don’t judge a man by his looks.勿以貌取人。
4)Judging by / from…（从……来看，据……来判断）是惯用短语，可用来引导独立分句。
Judging from his looks ,he may be sick.从外表看，他或许生病了。
Judging by his accent, he must be from Guangdong.听口音，他准是个广东人。
3.get off的用法
1)get off意为“脱下”。
It’s rather hot today, we must get off the jacket.今天太热了，我们必须脱下夹克衫。
2)注意：get off还可作“下车”；“离开”；“出发”；“起飞”解。
