SB 第4课时（2a-2e).ppt

1、Section B 第4课时,Section B (2a- 2e),Unit 8 It must belong to Carla.,R 九年级上册,It is 6,700-kilometer-long (4,161-mile-long) .,He who has never been to the Great Wall is not a true man.,How much do you know about the Great Wall?,Meng Jiangnus story is the most famous and widely spread of all the legends a

2、bout the Great Wall,Lead-in,Match each linking word or phrase with its purpose.,Read the article below and underline the linking words and phrases.,Stonehenge - Can Anyone Explain Why It Is There? Stonehenge, a rock circle, is not only one of Britains most famous historical places but also one of it

3、s greatest mysteries. Every year it receives more than 750,000 visitors. People like to go to this place especially in June as they want to see the sun rising on the longest day of the year.,For many years, historians believed Stonehenge was a temple where ancient leaders tried to communicate with t

4、he gods. However, historian Paul Stoker thinks this cant be true because Stonehenge was built so many centuries ago. “The leaders arrived in England much later”, he points out.,Another popular idea is that Stonehenge might be a kind of calendar. The large stones were put together in a certain way. O

5、n midsummers morning , the sun shines directly into the center of the stones. Other people believe the stones have a medical purpose. They think the stones can prevent illness and keep people healthy. “As you walk there, you can feel the energy from your feet move up your body,” said one visitor.,No

6、 one is sure what Stonehenge was used for, but most agree that the position of the stones must be for a special purpose. Some think it might be a burial place or a place to honor ancestors. Others think it was built to celebrate a victory over an enemy.,Stonehenge was built slowly over a long period

7、 of time. Most historians believe it must be almost 5000 years old. One of the greatest mysteries is how it was built because the stones are so big and heavy. In 2001, a group of English volunteers tried to build another Stonehenge, but they couldnt “ We dont really know who built Stonehenge,” says

8、Paul Stoker. “And perhaps we might never know , but we do know they must have been hardworking - and great planners!”,1. Stonehenge, a rock circle, is not only one of Britains most famous historical places but also one of its greatest mysteries.巨石阵、岩石圈,不仅是英国 最著名的历史古迹之一也是它的一个最大的奇迹之一,not only but also

9、 用于连接两 个表示并列关系的成分，着重强调后者， 其意为“不但 而且”；其中的also 有时可以省略。,语法重点一,如：She not only plays well, but also writes music. Not only men but also women were chosen. He works not only on weekdays but on Sundays as well.,注意：若连接两个成分作主语，其谓语通常与靠近的主语保持一致。 如：Not only you but also he has to leave.,若连接两个句子，not only后面的句子要用倒

10、装 如：Not only did he speak more correctly, but he spoke more easily.,2. They think the stones can prevent illness and keep people healthy.他们认为这些石头可以预防疾病,使人保持健康。,prevent作及物动词，可是直接带宾语，表示“阻止，阻挠”的意思；常构成：protect.from.表示“保护不受侵袭”；prevent sb. from doing something. 阻止某人做某事，在主动语态中from可以省略，被动语态中不行。,语法重点二,如：What

11、 can we do to prevent the disease spreading? These regulations are intended to prevent accidents. He prevented the boy from climbing the tree. The government is taking measures to prevent the wildlife from being killed.,3. “And perhaps we might never know , but we do know they must have been hardwor

12、king - and great planners!”保罗斯科特说“也许我们可能永远不会知道,但我们知道他们一定是勤奋伟大的计划!”,must have been doing: 表示肯定的猜测，肯定某人一直在做的事，并且猜测这种动作,或者行为一直持续到现在。,如：He must have been trying his best to study. She is so tired .She must have been working all the morning.,语法重点三,如：Since the road is wet,it must have rained last night. T

13、hey must have learnt 5000 English words by the end of last term,hadnt they? The room must have been cleaned yesterday,wasnt it?,must have been done是must have done的被动形式，是对过去发生的动作最有把握的猜测，意思是“一定”。,Read the article again and complete the chart.,What was it built for ? How was it built?,It might be used

14、as a temple where ancient leaders tried to communicate with the gods. It might be used as a kind of calendar.,Complete the sentences using the words from the chart in 2a on page 62.,1. Midsummer day is in June _a lot of people go to Stonehenge during this month. 2. The sun shines straight into the c

15、enter of Stonehenge _ the stones were put in a special position.,so,because,3. Some people think the rocks 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 5000 years ago; _ they are not su

16、re.,not only,or,but,but also,1. How do you like the two pairs of trousers? They dont fit me well. They are _ too long _ too short. A. not only; but also B. both; and C. neither; nor 2.What can we do to prevent bird flu from _? Try not to buy or eat chickens that have not been checked . A. spreads B. spreading C. to spread,小结训练,3.When are you going there? _ this month _ next month. A. Not only; but alsoB. Both; and C. Neither; nor 4 . We _ English since 2011. A. have learned B. have been learning C. have being learning,1. 根据汉语意思完成句子。 汤姆肯定是一直在打篮球。 Tom _ _ _ _ basketball