1、Unit 4,Earthquakes,目 标 展 示,话 题 链 接,A lot of earthquakes happen in the world every yearWhy do earthquakes happen? Scientists tell us the outside of the earth is made of a number of different platesThe plates move very slowlySometimes they stop and dont move for a long timeWhen some of the earths plat
2、es move suddenly, an earthquake happens. Many earthquakes happen under the seaSometimes they happen near mountainsIn fact, earthquakes may happen anywhere on the earth. During an earthquake, the shakings make rocks rise suddenly and even break openHouses fallPeople are killed or hurtSometimes whole
3、villages or cities are destroyed.,Can we do something to keep ourselves safe from earthquakes? Scientists have studied earthquakes and made maps that show“earthquake belts”In the areas in these belts, its possible for earthquakes to happenIn these areas we can make houses strong enough to stand agai
4、nst earthquakes. In the future, scientists will be able to predict exactly when and where an earthquake will happenThey can tell us what to do and how to do it as well. Notes 1plate n板块 2.predict vt.预言,Task True(T)or False(F) 1Few earthquakes happen in the world every year_ 解析：细节理解题，该题的题干中有一关键词“few”
5、意为 “没有一些”，通过文章第一句话“A lot of earthquakes happen in the world every year.”就可以看出本题是错误的。 2The outside of the earth is made of a number of different plates_ 解析：细节理解题。由文章的第一自然段“Scientists tell us the outside of the earth is made of a number of different plates (板块)”可以看出，这句话是正确的。,F,T,3We can do nothing to
6、keep ourselves safe from earthquakes_ 解析：细节理解题。由文章第四自然段，最后一句In these areas we can make houses strong enough to stand against earthquakes.可以看出，我们能够做一些事情降低地震的破坏程度。故此题错误。 4A map showing the earthquake belts tells people what kind of houses can stand in an earthquake_ 解析：细节理解题。由文章第四自然段可知，科学家画出地震带的目的是将地震带上的房子建地足够牢固可以降低地震的破坏程度，而不是哪种房子可以在地震中不倒。所以这句话是错误的。,F,F,5In the future, scientists can predict exactly when and where an earthquake will happen_ 解析：细节理解题，由文章最后一段话“In the future, scientists will be able to predict (预言) exactly when and where an earthquake will happen”。可知这句话是正确的。,T,
