新概念英语第二册Lesson46~48课文注释
(完整版)新概念英语第二册笔记_第48课
Lesson 48 Did you want to tell me something? 你想对我说什么吗？Why did the writer become very worried?Dentists always ask questions when it is impossible for you to answer. My dentist had just pulled out one of my teeth and had told me to rest for a while. I tried to say something, but my mouth was full of cotton wool. He knew I collected match boxes and asked me whether my collection was growing. He then asked me how my brother was and whether I liked my new job in London. In answer to these questions I either nodded or made strange noises. Meanwhile, my tongue was busy searching out the hole where the tooth had been. I suddenly felt very worried, but could not say anything. When the dentist at last removed the cotton wool from my mouth, I was able to tell him that he had pulled out the wrong tooth.参考译文牙科医生们总是在你无法作出回答的时候向你提出问题。
逐句精讲新概念英语第二册第46课既昂贵又受罪
逐句精讲新概念英语第二册:第46课既昂贵又受罪Lesson46 Expensive and uncomfortable 新概念2课文内容：When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing. No one could account for the fact that one of the boxes wasextremely heavy. It suddenly occurred to one of the workers to open up the box. He was astonished at what he found. A man was lying in the box on top of a pile of woolen goods. He was so surprised at being discovered that he did not even try to run away. After he was arrested, the man admitted hiding in the box before the plane left London. He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours. The man was ordered to pay $3,500 for the cost of the trip. The normal price of a ticket is $2,000! 语法归纳：同位语从句一句话总结：从句的内容作同位语。
新概念英语第二册-Lesson46
★ woollen (woolen) [‘wʊlɪn] adj. 羊毛的，毛织 品的
a woolen coat 毛织外套 This blanket is woolen. 这张毯子是羊毛的。
wool [wul] n. 1) 羊毛 a suit made of wool 一套毛料西服 clip wool from sheep 剪（绵）羊毛 2) 毛衣，毛织品，毛料 knit wool into a sweater 用毛线编织毛衣
load [ləud] 1) n. 负荷物，载荷物（尤指沉重的） a load of sand 运载的一批沙子 2) n.（精神方面的）负担，重荷，忧虑，劳苦 a heavy load of guilty 沉重的负疚感 3) v. 装（胶卷，弹药，数据或程序） load a new film into the camera 把新胶卷装进照相机
occur：[ə'kə:]发生
astonish：[əs'tɔniʃ]使惊讶
pile ：[pail]堆
woollen ：['wulən]羊毛的
goods：[gudz]货物 商品
discover：[dis'kʌvə] 发现
admit：[əd'mit]承认
confine：[kən‘fain]关在
★ admit [əd'mit] 1) vt. 承认（事实，过失） 反义词deny [di‘nai] vt.否认知情；拒绝
admit sth. admit doing sth. 承认做某事 He admitted his guilt. 他认罪了。 I admitted my mistake. 我承认我的错误。 He admitted having stolen that car. 他承认偷了那辆车。 We all admit him to be foolish. 我们都承认他很笨。 2) vt. 准许进入；准许入场
新概念英语第二册课堂笔记：第46课
新概念英语第二册课堂笔记：第46课lesson 46unload v 卸（货）wooden adj 木制的extremely adv 非常，极其occur v 发生astonish v 使惊讶pile n 堆woollen n 羊毛的goods n （常用复数）货物，商品discover v 发现admit v 承认confine v 关在（一个狭小的空间里）normal adj 正常的，通常的load 装货extremely beautiful表示漂亮到极点i am tired。
i am extremely tiredhappen viwhat happened/occured？it happened to me......发生在我身上what happened to the clavichordit occured to me......我想起了一件事it occured to sb that......it occured to me that i didn't finish my homework我想起来了，我的作业还没做i have a good idea/a good idea occured to me我想起一个好主意it suddenly occured to one of the workers to open up the box。
sth occur to sb如果一个动词跟人的情绪相关，则它的宾语是人其形容词有两个：令人--ing；感到--edastonishing/astonishedsurprise/shock/astonishsurprise 最常用，但意思肤浅shock 不快的事情astonish 难以置信的事i am surprisedi am astonishedastound非常吃惊deny拒绝deny sth/deny doingadmit sth/admit doing sthi admit having lunchsb was confined toconfine to 固定用法textWhen a plane from London arrived at Sydney airport, workers began to unloada number of wooden boxes which contained clothing. No one could account forthe fact that one of the boxes was extremely heavy. It suddenly occurred toone of the workers to open up the box.He was astonished at what he found. Aman was lying in the box on top of a pile of woollen goods. He was so surprised atbeing discovered that he did not even try to run away. After he was arrested, theman admitted hiding in the box before the plane left London. He had had a longand uncomfortable trip, for he had been confined to the wooden box for over tenhours. The man was ordered to pay &345 for the cost of the trip. The normal。
新概念英语第二册Lesson41~48课文注释
新概念英语第二册Lesson41~48课文注释学习新概念英语并不难啊。
你还在为英语成绩低拖后腿而烦恼吗,下面我就和大家分享新概念英语第二册Lesson41~48课文解释，希望有了这些内容的帮助，可以为大家学习新概念英语提供帮助!新概念英语第二册Lesson41课文解释1.Do you call that a hat? (标题)你把那个叫帽子吗?Do you call that +(冠词)+名词这个结构可以表达一种轻蔑的含义：Do you call that a house/a dog?你把那个叫房子/狗吗?2.I sat down on one of those modern chairs with holes in it…我坐在一个新式的满是网眼儿的椅子上……those在此处表示一种看不惯、不满的意味，如果换成the，则没有这种意味。
3.I regretted saying it almost at once. 我马上又后悔说了这话。
regret +动名词/名词/that从句通常表示为做过的某件事感到后悔、懊悔：I now regret leaving my country/ that I have left my country.我现在后悔离开了自己的祖国。
He regretted having been rude to her.他后悔自己对她无礼。
Did he regret his mistake?他为自己的错误感到后悔了吗?regret +不定式表示对现在或将来要做的事感到对不起、遗憾，比be sorry +不定式要正式：We regret to tell you that you are not welcome.我们很遗憾地告诉您，您不受欢迎。
4.I find it beautiful. 我觉得它好看。
动词find经常用于动词+宾语+宾语补足语这种结构：Youll find it difficult/easy to make conversation with her.你将会发现与她聊天很困难/容易。
新概念英语第二册46课
英国糟糕的气候是哈里森决定离开这个国家的原因。
你如何解释你昨天没交作业？ How do you account for the fact that you didn’t hand in your homework?
• 他们承认做错了。 • They admitted
having done wrong.
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关在或局限在某个地方(一个 狭小的空间里)
那狗被关在一个箱子里。
The dog is confined to a box.
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normal 正常的
• The normal
price is $ 8.
（3）open up的含义之一是“打开”： open up boxes／gifts 打开箱子／礼物 他收到礼物后立刻就打开了。 When he received the gifts, he opened them up
at once.
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4. He was astonished at what he found. A man was lying in the box on top of a pile of woollen goods. 看到的情景使他吃惊，箱内有一个人正躺在 一堆毛织品之上。
most expensive way to travel?
What is the
least expensive way to travel? safest way to travel?
most dangerous way to travel?
新概念第二册lesson46
astonish [əs'tɔniʃ] 使惊讶
The animals astonish us very much. ★astonish vt.使惊讶 astonishing/astonished surprise/shock/astonish、surprise 最
常用,但意思肤浅 shock 不快的事情 astonish 难以置信的事 I am surprised.->astonished---
那狗被关在一个箱子里。
The dog is confined to a box.
normal ['nɔ:məl]正常的
The normal price is $ 8.
$8
Today it is on sale for
only $5.
sale
正常价格是8美 元，今天降价， 只卖5美元。
$5
What did the man in the story do ? The man hid himself in a wooden box before the plane left London to avoid paying the fare to Sydney.
The bad weather in England accounts for Harrison's decision to leave the country.
新概念第二册课文翻译及学习笔记【Lesson46、47、48】
【导语】新概念英语作为⼀套世界闻名的英语教程，以其全新的教学理念，有趣的课⽂内容和全⾯的技能训练，深受⼴⼤英语学习者的欢迎和喜爱。
为了⽅便同学们的学习，为⼤家整理了⾯的新概念第⼆册课⽂翻译及学习笔记，希望为⼤家的新概念英语学习提供帮助!《新概念英语》第⼆册第46: Expensive and uncomfortable 既昂贵⼜受罪【课⽂】First listen and then answer the question.听录⾳，然后回答以下问题。
What did the man in this story do?When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing. No one could account for the fact that one of the boxes was extremely heavy. It suddenly occurred to one of the workers to open up the box. He was astonished at what he found. A man was lying in the box on top of a pile of woolen goods. He was so surprised at being discovered that he did not even try to run away. After he was arrested, the man admitted hiding in the box before the plane left London. He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours. The man was ordered to pay $3,500 for the cost of the trip. The normal price of a ticket is $2,000!【课⽂翻译】当⼀架来⾃伦敦的飞机抵达悉尼机场时，⼯⼈们开始卸下装有服装的⼀批⽊箱。
新概念英语第二册课文注释大汇总新概念英语第二册Lesson48课文注释
新概念英语第二册课文注释大汇总新概念英语第二册Lesson48课文注释【篇一】Dentitalwayakquetionwhenitiimpoibleforyoutoanwer.牙科医生们总是在你无法作出回答的时候向你提出问题。
在when引导的时间状语从句中，it为先行主语，代指后面的不定式，for+人称代词/名词说明不定式表示的动作是谁做的：Itinothardforyoutohelpthem.你帮助他们并不难。
我来参加晚会是错误的。
impoible通常不以人作主语，而以不定式或从句作主语：Itiimpoibleforhimtohelpyou.他不可能帮你。
Itiimpoiblethathewillhelpyou.(译文同上)【篇二】InanwertotheequetionIeithernoddedormadetrangenoie.作为对这些问题的回答，我不是点头，就是发出奇怪的声音。
(1)inanwerto为固定短语，在这里表示“作为对……的回答”：Inanwertomyquetion,Danhookhihead.作为对我的问题的回答，丹摇了摇头。
这个短语的另一个含义是“响应……的请求”：Inanwertomyrequet,hewrotealettertoGeorge.应我的请求，他给乔治写了封信。
(2)madetrangenoie,发出奇怪的声音。
“我”并不是有意发出这些声音，而是因为嘴里有药棉，又想回答医生的话造成的。
【篇三】Meanwhile,mytonguewabuyearchingouttheholewherethetoothhadbee n.与此同时，我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。
(1)副词meanwhile表示“在此期间”、“与此同时”：他10点以前不会来。
在此期间你可以休息一下。
Marywatalkingtomeabouthernewdre.MeanwhileIwathinkingaboutome thingele.玛丽在和我讲她的新衣服。
新概念第二册46课教材
学乐教育2014年春七年级英语一对二讲义Lesson 46Expe nsive and un comfortable既昂贵又受罪When a pla ne from London arrived at Sydney airport, workers bega n to uni oad a nu mber of woode n boxes which contained cloth ing. No one could acco unt for the fact that one of the boxes was extremely heavy. It sudde nly occurred to one of the workers to ope n up the box. He was ast oni shed at what he found. A man was lying in the box on top of a pile of woole n goods. He was so surprised at being discovered that he did not even try to run away. After he was arrested, the man admitted hiding in the box before the plane left London. He had had a long and un comfortable trip, for he had bee n confined to the woode n box for over eightee n hours. The man was ordered to pay $3,500 for the cost of the trip. The no rmal price of a ticket is $2,000!参考译文当一架来自伦敦的飞机抵达悉尼机场时，工人们开始卸下装有服装的一批木箱.其中有只箱子特别重,可谁也弄不清是怎么回事.突然一个工人想到打开箱子看看.看到的情景使吃惊，箱内有一个人正躺在一堆毛织品之上.他由于被人发现而感到非常吃惊，甚至都没有企图逃跑.此人被逮捕后，承认他是在飞机离开伦敦前躲进箱里的.他经历了一次漫长而又难受的旅程，因为他在那木箱里闷了18个多小时.此人被责令交付旅费3,500英镑，而正常票价是2,000英镑！【New words and expressi ons 】1. load [l?ud]1）n.负荷物，载荷物（尤指沉重的）a load of sand运载的一批沙子2）n.（精神方面的）负担，重荷，忧虑，劳苦a heavy load of guilty沉重的负疚感3）v.装载，使…•负荷load a lorry with bricks 往卡车上装砖load bricks onto a lorry 把砖装上卡车lorry ['l ?ri] n.运货汽车,卡车/ （美）truck [tr?k] n.货车,卡车,载重汽车4）v.装（胶卷，弹药，数据或程序）load a new film into the camera把新胶卷装进照相机eg. Be careful. The gun is loaded小心，这把枪子弹已经上膛。
新概念英语第二册第46课笔记资料讲解
学习-----好资料Lesson 46 Expensive and uncomfortable 既昂贵又受罪What did the man in this story do?When a plane from London arrived at Sydney airport, workers began to unload a number of woodenboxes which contained clothing. No one could account for the fact that one of the boxes wasextremely heavy. It suddenly occurred to one of the workers to open up the box. He was astonishedat what he found. A man was lying in the box on top of a pile of wooden goods. He was so surprisedat being discovered that he did not even try to run away. After he was arrested, the man admittedhiding in the box before the plane left London. He had had a long and uncomfortable trip, for he hadbeen confined to the wooden box for over eighteen hours. The man was ordered to pay $3,500 forthe cost of the trip. The normal price of a ticket is $2,000!参考译文当一架来自伦敦的飞机抵达悉尼机场时, 工人们开始卸下装有服装的一批木箱. 其中有只箱子特别重, 可谁也弄不清是怎么回事. 突然一个工人想到打开箱子看看. 看到的情景使吃惊, 箱内有一个人正躺在一堆毛织品之上.他由于被人发现而感到非常吃惊, 甚至都没有企图逃跑. 此人被逮捕后, 承认他是在飞机离开伦敦前躲进箱里的.他经历了一次漫长而又难受的旅程, 因为他在那木箱里闷了18个多小时. 此人被责令交付旅费3,500英镑, 而正常票价是2,000英镑!一、New words and expressions 生词和短语unload v. 卸（货）wooden adj. 木头的extremely adv. 非常，极其occur v. 发生astonish v. 使惊讶pile n. 堆woolen adj. 羊毛的goods n. (常用复数)货物；商品discover v. 发现confine v. 关注normal adj. 正常的，通常的1. load [l?ud]1) n. 负荷物，载荷物（尤指沉重的）a load of sand 运载的一批沙子2) n.（精神方面的）负担，重荷，忧虑，劳苦a heavy load of guilty 沉重的负疚感eg. Her recovery took a load off my mind. 她恢复健康使我卸下心中重担。
新概念英语第二册46课
least expensive way to travel? safest way to travel?
most dangerous way to travel?
most comfortable way to travel?
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least comfortable way to travel?
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▲ account在课文中是做动词，account做名词
也使用很频繁，意思有很多。 1. 我们平时在银行开的帐户就是“account”。 2. 什么东西的“记述、叙述”也是account。 3. an exciting account of the match
对这次比赛激动人心的报导 常用的短语有： on account of 因为 1. take sth. into account “把…考虑进去” 。
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look for, find, find out 和discover
• find out意为“查明、发现、了解”，指经过认真观察 、调查或研究把某事、某物查出来、搞清楚，多用 于复杂而不容易直接查出的情况 。
• 请找出问题的答案。 • Please find out the answer to the question. • Do you find out why Tom was late? • discover意为“发现、发觉”，指发现某种情况或发
（3）open up的含义之一是“打开”： open up boxes／gifts 打开箱子／礼物 他收到礼物后立刻就打开了。 When he received the gifts, he opened them up
at once.
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新概念英语第二册46课课件-Lesson46
He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours.
have a trip = go on a trip be confined to 把…限制起来
Last weekend, Tom’s mother confined him to his room.
over = more than
此人被逮捕后, 承认他是在飞机离开伦敦前躲进箱里的. 他经历了 一次漫长而又难受的旅程, 因为他在那木箱里闷了18 个多小时.
1.P 207 2.Answer the
less comfortable less expensive
the economy class the most uncomfortable
tourist
the cheapest
Watch the video !
Expensive and uncomfortable
1.许多 2.木箱子 3.说明原因 4.某人忽然想起/ 5.想到某事 6.打开 7.对…感到吃惊 8.在…之上 9.一堆 10.逃跑 11.为…付钱 12.正常价格
Your clothes are very beautiful. clothes 复数形式 ，谓语动词用复数形式。 clothing “衣服的总的称呼” “服装” 谓语动词是单数形式。
当一架来自伦敦的飞机抵达悉尼机场时, 工人们开始卸下装有服装的一批木箱.
No one could account for the fact that one of the boxes was extremely heavy.
新概念英语第2册课程讲义Lesson46
Lesson46单词讲解1.unload v.卸（货）unload boxesunload passengersload v.装（货），放入download/upload2.occur v.发生sth.occur to sb.某人(突然)想起某事A good idea occurred to me.=I suddenly got a good idea.2.occur v.发生sth.occur to sb.某人(突然)想起某事To do sth occur to sb.=It occurs/occurred to sb to do sth.某人突然想去做某事我突然想起来给我妈妈打个电话。
It occurs to me to call my mom.2.occur v.发生sth.occur to sb.某人(突然)想起某事It occurs/occurred to sb to do sth.某人突然想去做某事It suddenly occurred to one of the workers to open up the box.3.astonish v.使惊讶be astonished at…be surprised at…4.admit v.承认I’m wrong,and I admit it.admit doing sth.The man admitted hiding in the box.Lesson46课文&语法讲解本课重点:同位语从句doing/being done介词后的宾语从句1.When a plane from London arrived at Sydney airport,workers began to unload a number of wooden boxes which contained clothing.2.No one could account for the fact that one of the boxes was extremely heavy.同位语从句含义：一个句子作同位语，解释说明前面名词位置：所解释的抽象名词后，如fact,news,theory,idea,suggestion,report…写法：同宾语从句（最常用的结构是that+完整的陈述句）2.No one could account for the fact that one of the boxes was extremely heavy.同位语从句我毫不怀疑他将会帮我的忙。
新概念英语第二册46课-Lesson46课件
学习交流PPT
14
• ★astonish vt. 使惊讶 • astonishing adj. 令人惊讶； • astonished adj. 感到惊讶的 • He was astonished at what he found. • 看到的情景使他惊讶。
学习交流PPT
15
• ★admit v. 承认 • ① 承认，供认 • admit sth. / admit doing sth. 承认做某事 • admit that… 承认… • Sally admitted that she had used your dictionary. • deny sth. /deny doing sth. 拒绝做…… [dɪ'naɪ] • ② 准许…进入，准许…加入 • Without a ticket you won’t be admitted into cinema. • They won’t admit him into/to the government.
• 突然一个工人想到打开箱子看看。 • sth. occur to sb. 某人突然想起某件事
学习交流PPT
13
• happen vi. 发生 • What happened/occured ? • It happened to sb. … • 这件事发生在某人身上 • What happened to you? = • What's wrong with you?
Expensive and uncomfortable
学习交流PPT
7
• 许多 • 木箱子
• 说明原因 • 某人忽然想起/ • 想到某事
• 打开 • 对…感到吃惊 • 在…之上 • 一堆 • 逃跑 • 为…付钱 • 正常价格
新概念英语2lesson 46讲解
Lesson 46: Expensive and uncomfortable既昂贵又受罪First listen and then answer the question.听录音，然后回答以下问题。
What did the man in this story do?When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing. No one could account for the fact that one of the boxes was extremely heavy. It suddenly occurred to one of the workers to open up the box. He was astonished at what he found. A man was lying in the box on top of a pile of woolen goods. He was so surprised at being discovered that he did not even try to run away. After he was arrested, the man admitted hiding in the box before the plane left London. He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours. The man was ordered to pay $3,500 for the cost of the trip. The normal price of a ticket is $2,000!New words and expressions 生词和短语unload v. 卸（货）wooden adj. 木制的extremely adv. 非常，极其occur v. 发生astonish v. 使惊讶pile n. 堆woollen adj. 羊毛的goods n. （常用复数）货物，商品discover v. 发现admit v. 承认confine v. 关在（一个狭小的空间里）normal adj. 正常的，通常的参考译文当一架来自伦敦的飞机抵达悉尼机场时，工人们开始卸下装有服装的一批木箱。
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新概念英语第二册Lesson46~48课文注释新概念英语第二册Lesson46课文注释1.…workers began to unload a number of wooden boxeswhich contained clothing.……工人们开始卸下装有服装的一批木箱。
(1)unload的含义为“卸(货)”，它的反义词为load(装货)。
与形容词 uncomfortable, unsmiling等相似，有些动词加前缀un能够表示做相反的动作。
(2)a number of为固定词组，表示“若干”、“很多”：You've made a number of mistakes in typing this letter.你打这封信时出了很多错误。
(3)clothing是服装的总称，为不可数名词，其含义比clothes更为广泛。
clothes一般指衣服，clothing则能够包括鞋、帽等。
2.No one could account for the fact that one of the boxes was extremely heavy. 其中有只箱子特别重，可谁也弄不清是怎么回事。
(1)短语动词 account for的含义为“说明理由”、“作出说明(或解释)”：The bad weather in England accounts for Harrison'sdecision to leave the country.英国糟糕的气候是哈里森决定离开这个国家的原因。
How do you account for the battered car?你如何解释这撞坏的车?(2)that后面的从句为fact的同位语从句，说明fact的具体内容：He couldn't explain the fact that Mary's wallet was found in his room.他无法解释玛丽的钱包是在他房间里找到的这个事实。
3.It suddenly occurred to one of the workers to open upthe box. 突然一个工人想到打开箱子看看。
(1)表示某人想起某事时，要用 sth. occurred to sb. 这个结构，主语为事，而不是人。
(2)it在句中为先行主语，代替不定式 to open up the box。
(3)open up的含义之一是“打开”：open up boxes/gifts 打开箱子/礼物When he received the gifts, he opened them up at once.他收到礼物后立刻就打开了。
4.He was astonished at what he found. 看到的情景使他吃惊。
表示某事使/让某人吃惊通常用sb. is/ are/ was/ were…astonished at sth.：Sam appears astonished at the news/ the sound.这消息/声音似乎使萨姆吃了一惊。
5.on top of, 在……上面。
She put the bread on top of a pile of other goods.她把面包放在一堆其他货物上面。
6.…he had been confined to the wooden box for over eighteen hours. ……他在那木箱里闷了十八个多小时。
confine表示“把……限制起来”，通常与介词to连用：Last weekend, Tom's mother confined him to his room.上个周末，汤姆的妈妈把汤姆关在了房间里。
7.The man was ordered to pay ￡3,500 for the cost of the trip. 此人被责令交付旅费3,500英镑。
pay for表示“为……支付货款”、“为……付出代价”：She paid ￡ 50 for that dress.她买那件衣服花了50英镑。
新概念英语第二册Lesson47课文注释1.A public house which was recently bought by Mr. Ian Thompson is up for sale. 伊恩·汤普森先生最近才买的一个小酒店现在又要卖出去。
(1)在英国英语中，public house指酒馆、酒店，口语中往往缩略为pub：I had lunch at a village pub.我在一家乡村小酒店吃了午饭。
(2)up for sale表示“供新概念”，up为形容词，含义为“已提出的”、“供……的”。
2.He told me that he could not go to sleep one night because he heard a strange noise coming from the bar. 他告诉我有天夜里他怎么也睡不着，因为他听到酒吧里传来一阵奇怪的响声。
(1)从that一直到句尾都是told的直接宾语，其中because引导的原因状语从句说明为什么睡不着的原因。
(2)coming为现在分词，它引导的短语修饰noise，为宾语补足语。
它也能够变为从句结构：a strange noise that came from the bar。
在一些表示感觉的动词如see，hear，feel，watch，notice 等之后，往往用宾语+宾语补足语这个结构，其宾语补足语既能够是不定式(通常不加to)，也能够是现在分词，两者在意义上区别不大，现在分词表示动作正在发生，不定式则表示动作发生了：I heard someone knocking at the door.我听到有人正敲门。
I heard you sing this song yesterday.昨天我听到你唱这支歌。
(3)bar为酒吧或酒店中卖酒的柜台。
3.…they were on in the morning.……早晨灯都亮着。
on为形容词，表示“开着的”、“接通的”，其反义词为off：When he arrived home, he found that all the lights wereon/ off.他到家时发现所有的灯都亮着/关着。
Is the TV on? I thought I had turned it off.电视机是开着的吗?我以为我把它关掉了。
4.He also said that he had found five empty whiskybottles which the ghost must have drunk the night before. 他还说他发现了5只空的威士忌酒瓶子，这肯定是鬼魂头天晚上喝的。
(1)因为是对已发生的事表示推测，所以must后面要用完成时。
(2)that引导的为间接引语，所以时间状语要变动。
直接引语中的时间状语为 last night，转述时变成了 the night before。
其他时间状语的变化有：now→then，two days ago→two days before/ earlier，today→that day，tonight→that night，tomorrow→the next/ following day，last night→the night before等。
5.…they will not accept the pub even if he gives it away.……即使他把小酒店白送人，他们也不要。
(1)连词 even if表示“即使”，它引导的让步状语从句含有很强的假定性：I won't have dinner with him even if he pays for it.即使是他付钱我也不和他一起吃饭。
(2)give away是个固定短语，其含义之一是“赠送”、“免费给予”：He gave all his books away to the library.他把他所有的书都赠给了图书馆。
新概念英语第二册Lesson48课文注释1.Dentists always ask questions when it is impossible for you to answer. 牙科医生们总是在你无法作出回答的时候向你提出问题。
在when引导的时间状语从句中，it为先行主语，代指后面的不定式，for+人称代词/名词说明不定式表示的动作是谁做的：It is not hard for you to help them.你协助他们并不难。
It was a mistake for me to come to the party.我来参加晚会是错误的。
impossible通常不以人作主语，而以不定式或从句作主语：It is impossible for him to help you.他不可能帮你。
It is impossible that he will help you.(译文同上)2.In answer to these questions I either nodded or made strange noises. 作为对这些问题的回答，我不是点头，就是发出奇怪的声音。
(1)in answer to为固定短语，在这里表示“作为对……的回答”：In answer to my question, Dan shook his head.作为对我的问题的回答，丹摇了摇头。
这个短语的另一个含义是“响应……的请求”：In answer to my request, he wrote a letter to George.应我的请求，他给乔治写了封信。
(2)made strange noises, 发出奇怪的声音。
“我”并不是有意发出这些声音，而是因为嘴里有药棉，又想回答医生的话造成的。
3.Meanwhile, my tongue was busy searching out the hole where the tooth had been. 与此同时，我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。
(1)副词meanwhile表示“在此期间”、“与此同时”：He won't come until ten o'clock. Meanwhile you can have a rest.他10点以前不会来。
在此期间你能够休息一下。
Mary was talking to me about her new dress. Meanwhile I was thinking about something else.玛丽在和我讲她的新衣服。