人教版（山東專用）高中英語(yǔ) Unit5 教材背景鏈接精品課件 新人教選修6

1、Unit 5The power of nature1教材背景鏈接基拉韋厄火山是世界上最大的活火山體，位于美國(guó)夏威夷島東南部。這座活動(dòng)力旺盛的活火山，至今仍經(jīng)常噴發(fā)。2Mount KilaueaMount Kilauea，the worlds most active volcano，is on the island of Hawaii.It is not far from Mauna Loa，the largest volcano in the world.Mauna Loa and Mount Kilauea together form the volcanoes National Park

2、in Hawaii.3Mount Kilauea has produced lava more than fifty times in the last one hundred years.Sometimes the lava moves slowly.At other times it pours out very fast as a huge amount of pressure forces it from the volcano.During these times，it moves almost as quickly as water moving down the side of

3、a mountain.4Sometimes Mount Kilauea produces a large amount of lava that seems like rivers of fire.When the lava from Mount Kilauea reaches the ocean，its fierce heat produces a great amount of steam that rises into the air.The lava is so hot that it continues to burn underwater for some time.The lav

4、a from5Mount Kilauea continues to add land to the island as the volcanoes of Hawaii have always done.It was these volcanoes that formed the islands of Hawaii.Most of the time the lava of Mount Kilauea seems to move peacefully toward the ocean.Yet it is not as peaceful as it seems from a distance.6In

5、 recent years the lava destroyed one small town on the island.The boiling rock slowly covered the town.It blocked roads and destroyed them.Nothing can stop the lava of Mount Kilauea.Experts say the volcanoes of Mauna Loa and Mount Kilauea are a serious threat to7property(財(cái)產(chǎn))on many parts of the island.They also say the volcanoes of the island of Hawaii are proof that the changing environment of the earth is and will always remain beyond human control.89新課導(dǎo)入只要我們?nèi)祟愑袝r(shí)刻不忘保護(hù)環(huán)境的意識(shí)，有依法治理環(huán)境的意識(shí)，地球村將成為美好的樂園。未來(lái)的天空一定是碧藍(lán)的，水是清澈的，綠樹成蔭鮮花遍地，人類可以盡情享受大自然賦予我們的幸福。10雖然我們現(xiàn)在做的只不過(guò)是一些微小的事，但