(教师用书)高中英语 Unit 23 Period Ⅳ Communication Workshop课件 北师大版选修8

【答案】
1.B 2.C 3.A
1．import vt.进口 n.进口；输入 I am writing to you about the imported Tour de France exercise bike...(P26)我写信给你是关于那辆进口的环法自行 车赛训练车„„ The country has to import most of its raw materials. 这个国家大多数原料不得不依赖进口。
【提示】 as if(though)后面除了跟句子外，还可以用
省略形式，后面直接跟名词、动词不定式、形容词(短语)、 介词短语和分词。
【对接高考】 (2011· 湖南高考 )Jack wasn't saying anything, but the teacher smiled at him________he had done something very clever. A．as if C．while B．in case D．though
【答案】
①energy ②strength
③power ④force
3．But I find out that you don't sponsor Armstrong and after using the bike for a month it is as though I have done no exercise at all.(P26) 但是我发现你们没有赞助阿姆斯特朗并且在用了这辆 自行车一个月后，我好像根本没有锻炼。 as though＝as if 意为“仿佛，像，似乎”。通常用在 be，look, seem，sound，taste，smell 及 feel 等连系动词的 后面。其后的从句可用陈述语气，但多用虚拟语气。
Our country should strengthen national defence in case some countries invade us. 我国应该巩固国防，以免有些国家侵略我们。 He finally went to college on the strength of parents' encouragement. 在他父母的鼓励下，他终于考上了大学。
as though/if 其形式如下： ①从句表示与现在事实相反， 谓语动词用过去式， be 用 was 或 were； ②从句表示与过去事实相反，谓语动词用 had done； ③从句表示与将来事实相反，谓语动词用 would/could/might＋do。
How wild his white hair looked as if it had been electrified.他的白发十分凌乱，好像触了电似的。(虚拟语气) She seems as if she is going to cry. 她似乎要哭了。(陈述事实)
【答案】
①import; from ②exports; to
2．strengthen vt.(使)变强；加强 ...by using the exercise bike for ten minutes a day，one would strengthen one's body and lose at least two kilos a week.(P26)„„一个人每天骑十分钟的自行车就会增强体质， 一周至少减掉两千克。 Exercise will strengthen your body. 运动会使你身体强健。 The soldiers strengthened their defenses. 士兵们加强了防御。
●新课导入建议 让学生谈谈他们在生活中曾买到哪些虚假商品和他们 是如何处理这些事情的，由此引出本文的话题。
●教学流程设计
演示结束
Ⅰ.判断正误 1 ． The author didn't use the bike properly as the instruction asked him to do.( )
主要指“人的精力”“工作或活动的 能力”“自然界的能力”等。 指人或物所拥有的内在的力量，能用以 从事、忍受或抵抗许多事物。
The masses have boundless creative power. 人民群众有无限的创造力。 The window was stuck，but father got it open by force. 窗户关得很紧，爸爸用力才把它推开。 We should work with energy. 我们应该尽全力工作。 Union is strength.团结就是力量。
strengthen national defence 巩固国防 strengthen sb's hand 增强某人的实力 strength n．力量，力气；实力 by main strength 全靠力气 on the strength of...受„„的鼓励；凭借„„ from strength to strength 不断强大
【解析】 句意： 杰克什么也没说， 但是老师朝着他笑， 就好像他做了非常明智的事情一样。 as if 好像； in case 以防， 万一；while 当„„时候，而，却；though 尽管。
【答案】
A
完成句子 ①他装作若无其事的样子。 He behaved ____________________． ②看上去他们好像是多年的老朋友。 It looked____________________．
2 ． The service about the exercise bike was very poor.( )
3．If the author didn't get the satisfactory reply，he would take legal action.( )
【答案】
1.F 2.T 3.T
import sth. from...从„„进口„„ import sth. into...进口„„到„„ export v．& n．出口 export sth. to...出口某物到 China imports oil into our own country every year. 中国每年都进口石油到我们自己的国家。 India imports food from other countries every year. 印度每年都从其他国家进口粮食。
Period Ⅳ
Communication Workshop
教师用书独具演示
●教学目标 (1)掌握本学案中所给出的词汇，能够理解并能熟练运 用。 (2)理解课文。 (3)能够根据课文内容安排，培养学生对课文的理解和 听、说、读、写能力。 (4)掌握写英语抱怨信的方法。
●教学地位 本单元课时的内容是有关自行车产品的抱怨信，具体谈 到所买产品，虚假索赔，质量差，服务差和退钱等方面来让 学生了解如果他们生活中遇到类似事情如何去处理。此外， 掌握对抱怨信的写作方法在本单元中也占有相当重要的地 位。
【对接高考】 (2012· 福建高考)—Why do you choose to work in an international travel agency? —Well，you know，English is my ________．So it is my best choice. A．strength C．ability B．talent D．skill
Ⅱ.语篇理解 1．From the letter，we can guess that Lance Armstrong is________． A．a famous bike brand B．a famous cyclist C．an event sponsored by the company 2．According to the advertisement，if you use the bike ten minutes a day for three weeks，you will lose at least ________kilos. A．4 B． 5 C．6
①the more...the more...越„„就越„„，是一个复合 句，其中前面的句子是状语从句，后面的句子是主句。the 用在形容词或副词的比较级前，more 代表形容词或副词的 比较级。 ②主从句的时态常用一般现在时或一般过去时。若主句 的谓语动词用一般将来时，从句的谓语动词要用一般现在时 表示将来。
【答案】
①as though nothing had happened
②as
though they had been friends for many years
4．In fact，the more I use the bike，the more weight I seem to put on，despite following the instruction manual carefully.(P26)事实上，我越骑这辆自行车，我好像越增重， 尽管我认真遵循用户手册。 本句为 the ＋比较级„„the ＋比较级„„句型，意为 “越„„就越„„”。 The harder you study， the greater progress you'll make. 你学习越努力，你取得的进步就越大。 The more we get together，the happier we'll be. 我们聚在一起的时间越多，我们就越高兴。
3．Which of the following is NOT true according to the letter? A．Jeffreys' heart beat over two hundred times when he was cycling at full speed. B．The doctor said Jeffreys' heart beat was normal. C．The seller refused to give back Jeffreys' money.
完成句子 ①日本不得不从其他国家进口原油。 Japan countries. ②日本每年向世界各地出口大量的汽车。 Japan ________a large number of cars ________all over the world every year. has to ________crude oil________other
Imports of household appliances rose last month. 上个月家用电器进口增加了。 The government eventually banned the import of all electrical goods. 政府最后禁止了所有电气产品的进口。
power/force/energy/strength
主要指做一件事所依靠的能力、功能， power 人或机器等事物的潜在的或所能发挥 出来的力量、职权、权力或政权。 主要是自然界的力量、暴力、势力、说 force 服力、压制力、法律、道德或感情的力 量，军事的力量，总之，它是活动中的 力量。
energy strength
【解析】
A 项为“长处”；B 项为“天赋”；C 项为
“能力”；D 项为“技能”。句意：——你为什么选择在一 家国际旅行社工作？——噢，你知道的，英语是我的强项， 所以那是我最好的选择。根据句意可知 A 项意思最符合。
【答案】 A
用 power/force/energy/strength 填空 ①Old as he is ，he has such ________that he can work 14 hours a day. ②He lost some of the ________in his muscles when he stopped exercising. ③Knowledge is ________． ④There is ________in what he said.