新概念2-Lesson45讲义

新概念2学案第45讲课题Lesson 45 A clear conscience教学目标1.复习之前所学知识；2.学习第45课的重要知识点及语法。

教学内容【课题导入】美国人的诚信诚信(Honesty)是美国人立身之本。

他们不骗人，并不是天生的，而是因为健全的信用制度(credit system)的要求。

如果不讲信用，一个人在社会上就难以立足。

比如，如果某人在经济活动中有过欺骗行为，他不但无法按揭买房，买车，工作不好找，租房也难，连买保险的保费都要比别人高很多。

他的经济行为都在计算机里有记录，把他的社会保险号码输入资讯库一查，就对他知根知底了。

拓展：Honoring a promise carries the weight of gold. 一诺千金【知识梳理】New words and expressionsclear /klɪə(r)/ adj. 无罪的，不亏心的conscience /ˈkɒnʃəns/ n. 良心，道德心wallet /ˈwɒlɪt/ n. 皮夹，钱夹savings /'sevɪŋz/ n. 存款villager /ˈvɪlɪdʒə(r)/ n. 村民per cent 百分之......1.clear [kliə] adj.无路障的，清晰的，清白的v. 使……清晰，干净L43课中：The plane was able to rise and it cleared the mountains by 40 feets.此处clear的含义是____________.【词组】________________________无障碍的，清除了……的【小试牛刀】(1) She _________________ before she began to speak.她在说话之前清了清嗓子。

(2) The road_________________snow now.路上的雪已清除。

(3)_____________________ is a good pillow.问心无愧，高枕无忧。

2.conscience [‘kɔnʃəns] n.道德；良心【词组】a clear conscience=a good conscience 问心无愧【谚语】A clear conscience never fears midnight knocking.不做亏心事，不怕半夜鬼敲门。

3. percent [pə’sent] n.百分比【词组】数字+percent (+ of sth.)百分之……【例句】(1) I am_______________ clear. =I am _______________ clear.我是完全清白的。

(2) Only _______________________ came to vote in the election.只有百分之十的学生来参加投票。

(3) I am _______________________________ you.我完全同意你的意见。

4. wrap [ræp] v.包裹，缠绕，覆盖，穿【例句】(1) I wrapped up the book in brown paper before I mailed it.我先把书用牛皮纸包好,然后邮寄。

(2) The building was wrapped in fog. 摩天大楼为雾所笼罩。

【词组】(1) ___________________ 包裹(2) ___________________ 被……覆盖翻译：在雪中玩耍时一定要穿暖。

_____________________________【课文梳理】Lesson 45 A clear conscience 问心无愧The whole village soon learnt that _________________ had been lost. Sam Benton, the local butcher, had lost his wallet while ____________________ to the post office. Sam was sure that the wallet must have been found by ___________________, but it was not returned to him. Three months passed, and then one morning, Sam found his wallet outside his front door. It had been _________________ in newspaper and it______________________ he had lost, together with a note which said: ‘A thief, yes, but only 50 per cent a thief!’ Two months later, some more money was sent to Sam with another note: ‘Only 25 per cent a thief now!’ In time, all Sam’s money _____________________. The last note said: ‘I am ___________________now!’Comprehension1. Someone ________.A. had stolen Sam's walletB. had found Sam's wallet and kept itC. had lost Sam's walletD. had taken the wallet from Sam's pocket2. The thief ________ in the end.A. kept Sam's moneyB. returned 50 per cent of the moneyC. returned 75 per cent of the moneyD. returned all the money1.The whole village soon learnt that a large sum of money had been lost.(1)【辨析】whole __________________all __________________具体区别如下：all与whole都可以和单数可数名词连用，但whole更为常见。

You destroyed the whole lesson.你把整整一堂课都毁掉了。

all通常与_________________连用，而whole则不能。

(2) a large sum of(修饰___________名词，相当于___________________________)【翻译】他每年挣不少钱。

_______________________________________2. Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office. while taking his savings是现在分词用于连词之后，与表示时间的状语从句______________________________作用是一致的。

3. Sam was sure that the wallet must have been found by one of the villagers.be sure that 确定……【翻译】________________he will be back with great success. 他确信他能载誉而归。

________________________________________________.确保你走的时候记得把灯关掉。

4. In time, all Sam’s money was paid back in this way.(1) in time在句中意为“________________”，除此之外，还有“________________”的意思。

翻译：要不是医生施救及时，他早就死了。

_______________________________________【拓展】及时的_____________【拓展】time构成的短语at one time________________________________提前，提早________________到……时为止from time to time________________________________立刻，很快on time________________________________一直，始终_______________每次；每当________________同时(2) pay back 归还，偿还pay的相关短语：________________ 付钱给某人pay a visit to ________________________________ 付清sick pay ________________(3) in this way 用这样的方式【扩展】in the/one's way 挡道，挡路in any way 无论如何in no way 无论如何不，决不on one's way to…… 到……去的途中【小试牛刀】_____________, I will go.Her social life got_______________her studies.My father buys newspapers___________________work.【重要语法—被动语态】Do you remember these sentences?(1)This bridge was built in 1942. (KS10)(2)The thief was arrested by the police. (KS10)(3)I can't find my bag. It must have been stolen. (KS21)(4)I must be paid for this. (KS21)(5)I was told to wait for him. (KS34)(6)He never expected the bicycle to be found. (KS34)1. 总结各个时态：①一般现在时：am/ is/ are+done①一般过去时：was/were+ done①现在进行时：_______________________①过去进行时：was/ were being+ done①一般将来时：_______________________①现在完成时：have/ has been+ done①过去完成时：_______________________①情态动词：情态动词+be+done将斜体改成被动语态：The whole village soon learnt that someone had lost a large sum of money. Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office. Sam was sure that one of the villagers must have found the wallet, but no one returned it to him. Three months passed, and then one morning, Sam found his wallet outside his front door. Someone had wrapped it up in newspaper and it contained half the money he had lost, together with a note which said: ‘A thief, yes, but only 50 per cent a thief!’ Two months later, someone sent more money to Sam with another note: ‘Only 25 per cent a thief now!’ In time, someone paid back all Sam's money in this way. The last note said: ‘I am 100 per cent honest now!’2.带双宾语的谓语动词变被动:注意：变被动时通常有两种变化，既可以人做主语，也可以是物做主语。