Unit8__SectionB（2a-3b）精品课件.ppt

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1、Section BPeriod 2 (2a 3b) 用用must或或can的适当形式填空。的适当形式填空。1.The boy who is playing football on the playground _ be Harry. He doesnt come to school today.2. There _ be someone in the classroom because the light is on.3. Many people go to Sanya to travel. It _ be a beautiful place. 4. You _ talk with each

2、other during the exam, or you will be asked to leave.cantmustmust mustnt / cant 根据汉语意思和括号中的英文提示完成句子。根据汉语意思和括号中的英文提示完成句子。 1. 我书包忘在公园里，我想一定有人捡到了它。我书包忘在公园里，我想一定有人捡到了它。 2.我父亲现在也许在他公司上班我父亲现在也许在他公司上班 。I left my shoolbag in the park . I think someone_ .My father _in his company now.must have picked it up m

3、ight / could be working2a2a Match each linking word or phrase with its purpose.Linking word Linking word or phraseor phrasePurpose of linking word Purpose of linking word or phraseor phrasesoas, because, sincebut, however, thoughnot only but alsoorwhen, whileexpressing a differencegiving a choiceexp

4、ressing a resultexpressing two things happening at the same timegiving reasonsadding information连词连词是一种连接词与词、短语与短语以及句与是一种连接词与词、短语与短语以及句与句的虚词，句的虚词， 它不能独立担任句子成分而只起它不能独立担任句子成分而只起连接作用。连接作用。表示前因后果的连词有：表示前因后果的连词有：so(所以所以)等等;表示原因的连词有：表示原因的连词有：because, since, as等；等；表示意义转折的连词有：表示意义转折的连词有：but, however, though

5、;not only but also表示递进意义表示递进意义,“不仅不仅而而且且”;表示选择关系的连词有：表示选择关系的连词有：or (或者或者;还是还是);表示两个动作同时进行的连词有：表示两个动作同时进行的连词有：when, while等。等。2b2b Skim the article and underline the sentences with linking words or phrases.not only but also, but, as, however, because, while, but, or, because, but, but1. How many peopl

6、e visit Stonehenge every year?2. Who is Paul Stocker?3. Do people think it hard to build Stonehenge? Why?Read the article again and answer the questions.More than 750,000 visitors.He is a historian.Yes because the stones are so big and heavy.Read the article again and complete the chart.Mysteries ab

7、out Mysteries about StonehengeStonehengeWhy was it built?Who built it?What Stonehenge might What Stonehenge might have been used for have been used for What was it used for?How was it built?as a temple where a kind of calendar have a medical purposemight be a burial place or a place to honor ancesto

8、rscelebrate a victory over an enemy1. Midsummer day is in June _ a lot of people go to Stonehenge during this month.2. The sun shines straight into the Stonehenge _ the stones were put in a special position.Complete the sentences using the words from the chart in 2a2a.andas3. Some people think the r

9、ocks can _ stop people from becoming ill _ keep them healthy.4. We dont know who built Stonehenge _ how it was built.5. Historians think Stonehenge was built about 5,000 years ago;_, they are not sure.not onlybut alsoandHowever Language points1. not only but also 不仅不仅而且而且 not only but also 连接的两个部分通常

10、必连接的两个部分通常必须是对称的并列成分，例如须是对称的并列成分，例如 连接两个主连接两个主语、连接两个状语等等。语、连接两个状语等等。Not only Mr Lin but also his son went on the trip. 不仅林先生而且他的儿子都不仅林先生而且他的儿子都去旅行去旅行了。了。I not only play tennis but also practise shooting. 我不仅打网球我不仅打网球, 还练习射击。还练习射击。He plays not only the piano but also the violin. 他不仅弹钢琴他不仅弹钢琴, 也拉小提琴。也

11、拉小提琴。They speak English not only in class but also in the dormitory. 他们不仅在课堂上说英语他们不仅在课堂上说英语, 在宿舍里也说。在宿舍里也说。注意：注意： not only 位于句首时位于句首时, 该句的主语和谓该句的主语和谓语要部分倒装。语要部分倒装。Not only is this young man clever but also he is hardworking.【2011黑龙江绥化市黑龙江绥化市】This is my twin sister Lucy. Not only she but also I _ goo

12、d at drawing. A. is B. am C. are解析：解析：not only but also 连接两个主语连接两个主语时，谓语动词要和与其时，谓语动词要和与其最近的主语最近的主语保持人保持人称和数的一致。称和数的一致。B2. Every year it receives more than 750,000 visitors. receive 在这里是在这里是“接待接待”的意思的意思 She was warmly received. 她受到热情地接待。她受到热情地接待。We received a warm welcome. 我们受到热烈欢迎。我们受到热烈欢迎。 receive

13、还有还有“接到；收到接到；收到”的意思的意思I was on vacation last week and didnt receive your letter. 上星期我正在度假，没收到你们的信。上星期我正在度假，没收到你们的信。I didnt buy the book. I received it from the writer as a gift. 这本书不是我买的这本书不是我买的, 而是作者送给我的礼物。而是作者送给我的礼物。We received him into our family as a son. 我们收他为养子。我们收他为养子。 receive a letter from s

14、b. 相当于相当于 hear from sb. 3. For many years, historians believed Stonehenge was a temple where ancient leaders tried to communicate with the gods.where ancient leaders tried to communicate with the gods是是where引导的定语从句，修饰引导的定语从句，修饰名词名词temple。 The bookshop where I bought this book is not far from here. 我

15、买这本书的那个书店离这里不远。我买这本书的那个书店离这里不远。This is the house where I lived two years ago. 这就是我两年前住的那个房子。这就是我两年前住的那个房子。4. point out 指出；指明指出；指明I must point out what you said is incorrect. 我必须指出，你所讲的情况不正确。我必须指出，你所讲的情况不正确。Can you point out the church in this picture? 你能在这张图上指出教堂吗你能在这张图上指出教堂吗?5. prevent illness 预防疾病

16、预防疾病 prevent v. 阻止；阻挠阻止；阻挠It is the job of the police to prevent crime. 防止犯罪是警察的职责。防止犯罪是警察的职责。Nothing can prevent us (from) carrying out the plan. 什么也无法阻挡我们去实施这个计划。什么也无法阻挡我们去实施这个计划。What can we do to prevent this disease (from) spreading? 我们能做什么来阻止这种疾病蔓延呢我们能做什么来阻止这种疾病蔓延呢?stop / keep / prevent sb. from doing三者都表三者都表示示“阻止某人做某事阻止某人做某事”的意思的意思”, 一般情况一般情况下可以通用。用法上的差别：下可以通用。用法上的差别：在主动式中在主动式中, stop sb. from doing sth.和和prevent sb. from doing sth.中的中的from可以省可以省略略, 但但 keep sb. from doing sth. 中的中的from不能不能省略，因为省略，因为keep sb. doing sth. 意思为让某人意思为让某人一直做某事。一直做某事。在被动式中三个词组中的在被动式中三个词组中的from都不能省。都不能省。知识链接知识链接