幻灯片 1Uint 5 Section Ⅰ Step 1 Step 2 Step 3 Step 4 Step 5 ---- 幻灯片 2---- 幻灯片 3---- 幻灯片 4 Do you know something about active volcanoes？Mount Kilauea is the most active volcano, and do you want to know something about it? Please read the following passage to get the answer. ---- 幻灯片 5---- 幻灯片 6 Mount Kilauea, the world’s 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 in Hawaii. ---- 幻灯片 7 Mount 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 mountain.Sometimes 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 ---- 幻灯片 8lava is so hot that it continues to burn underwater for some time.The lava from Mount 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. ---- 幻灯片 9 In 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 to property (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. ---- 幻灯片 10---- 幻灯片 11Ⅰ.Please match the pictures with the names. ---- 幻灯片 121．Typhoon ________　 2.Volcano ________ 3．Flood ________ 4.Earthquake ________ 5．Drought ________ 答案：1～5　AEBCD ---- 幻灯片 136．What can we learn from the above pictures? _________________________________________________ _________________________________________________ _________________________________________________ 答案：We can find how powerful nature is and how weak humans are compared with natural disasters.But we are not completely powerless.We can take measures to protect ourselves from powerful natural forces. ---- 幻灯片 14Ⅱ.Look at the picture and answer the following questions. ---- 幻灯片 151．What is the woman doing? ____________________________________________________ 2．How is a volcano formed? ____________________________________________________ 3．How many types of volcanoes do you know? ____________________________________________________ 4．Where is the most possible place for a volcano to erupt? ____________________________________________________ ---- 幻灯片 16答案：1.She is collecting some information of volcanoes. 2．The rocks under the earth become hotter and hotter and erupt from the mountain. 3．Active volcano; extinct volcano; dormant volcano. 4．Near the oceans. ---- 幻灯片 17---- 幻灯片 18Ⅰ.Read the text quicklly and complete the main idea of it. The text is a first­person account of a volcanologist’s experiences.The author talked about the 1.________ of his work, the damage of the 2.________ as well as his first experience of the volcanic eruption. 答案：1.importance　2.volcanic eruption ---- 幻灯片 19Ⅱ.The text can be divided into four parts.Please choose the main idea of each part to complete the following form. ---- 幻灯片 20A.I am still as enthusiastic about my job as the very beginning. B．What harm the eruption of the volcano can cause. C．My job as a volcanologist. D．How I had a closer look at the crater after the eruption. 答案：1.C　2.B　3.D　4.A ---- 幻灯片 21---- 幻灯片 22Ⅰ.Read the text carefully and answer the following questions. 1．What does the writer think of his job? _________________________________________________ 2．What does the writer do alongside other scientists? _________________________________________________ _________________________________________________ ---- 幻灯片 233．What did the writer think was happening when he was asleep one night in Hawaii? ___________________________________________________ ___________________________________________________ 4．Why did the writer think the volcano eruption was an absolutely fantastic sight? ___________________________________________________ ___________________________________________________ ---- 幻灯片 245．Why was it difficult for the writer to walk towards the edge of the crater? ____________________________________________________ ____________________________________________________ ---- 幻灯片 25答案：1.His job is dangerous but he doesn’t mind because danger excites him and makes him feel alive. 2．He collects and evaluates the information for a database, then he helps other scientists to predict where lava from the volcano will flow next and how fast. 3．He thought an earthquake was happening. 4．Red hot lava from the eruption was fountaining hundreds of metres into the air. 5．He was wearing special protective clothing that made it difficult to walk. ---- 幻灯片 26Ⅱ.Read the text again and fill in the blanks. ---- 幻灯片 27---- 幻灯片 28---- 幻灯片 29答案：1.alongside　2.volcano　3.database　4.predict　5.eruption　6.shaking　7.bright　8.was fountaining　9.crater　10.made our way ---- 幻灯片 30---- 幻灯片 31Fill in the blanks according to the text. My job is to travel to 1.________ places and meet interesting people from all over the world.I use scientific 2.________ in my work and meet with local people and tourists, and I am never 3.________. ---- 幻灯片 32 As a volcanologist, I collect 4.________ about Mount Kilauea.My job is 5.________ dangerous; I don’t mind because danger 6.________ me and makes me feel alive.As is known, when lava from the volcano flows, many houses will be covered with lava or 7.________ to the ground.All the lava 8.________ slowly down the mountain causes more damage because it 9.________ everything in its path under the molten rock.I once experienced an 10.________.When it broke out, red lava was 11.________ hundreds of metres into the air, and it was an absolutely 12.________ sight. ---- 幻灯片 33答案：1.unusual　2.equipment　3.bored　4.information 5．occasionally　6.excites　7.burned　8.flowing 9．buries　10.eruption　11.fountaining　12.fantastic ---- 幻灯片 34---- 幻灯片 35After having learned a little more about the work of a volcanologist, do you think it is an occupation you would enjoy？Give your reasons. ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ---- 幻灯片 36参考答案：No, I probably wouldn’t enjoy this job because I would have to live in other countries and also I don’t like being in dangerous situations.Also, I’m not very good at science./Yes, I’d love to do a job like this because I would enjoy working outside and I think I would enjoy the adventure.It would be exciting to meet people from different countries and I would feel good about helping people avoid danger. ----
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