人教版（山东专用）高中英语 Unit5 教材背景链接精品课件 新人教选修6

1、Unit 5The power of nature1教材背景链接基拉韦厄火山是世界上最大的活火山体，位于美国夏威夷岛东南部。这座活动力旺盛的活火山，至今仍经常喷发。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(财产)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新课导入只要我们人类有时刻不忘保护环境的意识，有依法治理环境的意识，地球村将成为美好的乐园。未来的天空一定是碧蓝的，水是清澈的，绿树成荫鲜花遍地，人类可以尽情享受大自然赋予我们的幸福。10虽然我们现在做的只不过是一些微小的事，但