Earthquakes

:
　　Which was the USA’s worst earthquake?
　　Can we do something to prevent the earthquake from destroying the whole city?
　　For the second time, the Ss are supposed to read the text for some detailed information.
　　In what part of the USA is San Francisco?
　　In the spring of 1906, what happened to the city of San Francisco ?
　　What happened again in the city in the fall of 1989?
　　In what other places of the world do earthquakes often happen?
　　In what provinces in China do earthquakes happen more often?
Explain the reasons why there are earthquakes.
Step 3. Retelling the reasons why an earthquake happens.
　　Ask the Ss to retell it in pairs first then ask individual student to say it out in class.
Step 4. Discussion
　　What should we do in order not let the earthquake destroy the earth so seriously?
Step 5. Language points of the text
at 5:13 on the morning of April 18th.,1906中介词的用法
the number of 和 a number of 辨析
as many as 以及as much as的用法
as 表示当什么时候的意思的用法（和while/ when的区别）
one / ones 代词的用法
cut off
at 5.3 centimetres a year “at” 表示速度的用法
make sure
stay up
time 表示倍数的用法
Step 6. Practising
　　Do the exercises on page 89. Exx. 1,2,3
　　Write a composition about the Tangshan Earthquake with the given information
Step 7. Homework:
　　Finish the composition
　　Finish the exercises on page 89 Exx.3 and page 91.Exx.
　　Re-read the attributive sentences in the text and get to 　understand the meaning and the structure of each sentence.

 

探究活动

　　让学生自己找有关地震的资料，比如近年来发生在国内或国外的地震地区以及震后的情况。每个小组指定查某一个国家或地区的地震情况。然后让学生们互相进行讨论，介绍各个国家或地区的地震情况。学生们在听的时候可以记下来想要问的问题然后对进行汇报的小组提问。这样可以锻炼听力和口语表达能力。

《Earthquakes(第3页)》