Unit5Thepowerofnaturelearningaboutlanguage课件（新人教选修6）.ppt

The Power of Nature;I went to a tea house with two friends last weekend but all they talked about was volcanoes. I was so _______ that I fell asleep. 2. A tourist very foolishly took a risk by walking right to the edge of an active_________. 3. I carefully __________________ over the fallen rocks and returned to the car.;4. Nothing can ______________ the experience of standing close to an active volcano for the first time. 5. Can volcanologists predict when a volcano will_______. 6. The sight of hot lava entering the sea at dawn was___________.; The eruption of Mount Vesuvius in 79AD took people in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _____ and ______. Many houses in the town were __________________. It was an ________ disaster for many people who could not get away in time. A writer named Pliny, who was there during the ________, described how lava was thrown into the air like a ________. ______________ many of the townspeople, _________at the _________ sight of Vesuvius eruption, stayed too long and failed to escape in time.;;;Rewrite the sentences using the present or the perfect –ing form of the underlined verbs. When they heard about the volcano they ran down to the village. After the scientists had studied the information they predicted that the lava would flow through the village.;Having experienced earthquakes before, I wasn’t frightened. zxxk Walking up in the middle of the night she saw her room was as bright as day. Having stopped the car, we immediately put on our protective clothing. Having spent all night watching the volcano erupting, I was very tired the next day. Coming out of my house, I saw the volcano erupting. Never having seen a volcano erupting before, I was very excited.;Combine the pairs of sentences using the present or the perfect –ing form. ;Not expecting anyone to be in the house, I walked straight in. Having been out of work for two months, Dave was willing to take any job that w