Unit 1PPT课件

1、 Exploration：the act of searching for the purpose of discovery of information or resources. In human history, its most dramatic rise was during the Age of Discovery when European explorers sailed and charted much of the rest of the world. Since then, major explorations after the Age of Discovery hav

2、e occurred for reasons mostly aimed at information discovery.第1页/共23页 The Travels of Marco PoloItalianexplorer,navigator,colonizer第2页/共23页 ChomolungmaorQomolangma(MountEverest)One of the first recorded viewings by a European was in 1913 by Captain John B. Noel.第3页/共23页 Thefirstextensiveexpeditiontot

3、heAntarcticin1901-1904ledbyRobertFalconScott第4页/共23页 the Antarctic Polethe Arctic Polethe Mount Qomolangmathe seathe spacethe Sahara第5页/共23页 What is your impression on Sahara?“the Greatest Desert” fierce conditionsThe Story in Sahara by Echo (San Mao)第6页/共23页第7页/共23页 a News Feature in Nature (2012)S

4、tefan Krpelin has carved out a career where few dare to tread in the heart of the Sahara. Stefan Krpelin stands near one of Chads Ounianga lakes, an area that he helped to get listed as a World Heritage site.第8页/共23页QuirinSchiermeier,GermanCorrespondent,MunichSince 1999, Quirin has written for Natur

5、e about science and related policy in Germany, the European Union, Eastern Europe and the former Soviet Union. He is particularly interested in climate, oceanography, fisheries and the Earth sciences. Before joining Nature, Quirin worked as a cartographer. He graduated in geography, statistics and e

6、conomics from the University of Munich.第9页/共23页 Read the 1st paragraph and answer the following question:1. What was Kropelins first trip to the Sahara like?a. when b. where c. with whom d. for what e. howReadingTask1第10页/共23页 1. What was Kropelins first trip to the Sahara like?Stefan Kropelin trave

7、lled alone to Sahara in 1982 to study sediment deposition. Things didnt start well. His thin clothes and sleeping bag were no match for the freezing conditions. The fierce sandstorms forced him to dig a pit for shelter and keep his eyes and mouth shut for most of the time. After a week, the driver w

8、ho was scheduled to pick him up was nowhere in sight. Three days later, and running out of water, Kropelin was just about to embark on a desperate march to the nearest oasis when the jeep finally arrived. His first trip was nearly his last.ReadingTask第11页/共23页 2. What has K accomplished in exploring

9、 the desert?3. How was Ks interest in Sahara intrigued? 4. How do the researcher who have travelled with K describe him?5. What was the previous view on the transition of the savannah into desert? How about Ks view? How did he get the conclusion?6. What conclusion did K draw from the discoveries fro

10、m Lake Yoa?7. What difficulties has K encountered during his exploration?8. How did K help to have the area of the Qunianga lakes get listed as the world heritage?9. What are Ks new plans for his exploration in Sahara? ReadingTask第12页/共23页 1. Ks first trip to the Saharaa. when b. where c. with whom

11、d. for what e. how2. What has K accomplished in exploring the desert?3. How was Ks interest in Sahara intrigued? 4. How do the researcher who have travelled with K describe him?5. What was the previous view on the transition of the savannah into desert? How about Ks view? How did he get the conclusi

12、on?6. What conclusion did K draw from the discoveries from Lake Yoa?7. What difficulties has K encountered during his exploration?8. How did K help to have the area of the Qunianga lakes get listed as the world heritage?9. What are Ks new plans for his exploration in Sahara? ReadingTask第13页/共23页 1.

13、Ks first trip to the Saharaa. when b. where c. with whom d. for what e. how2. What has K accomplished in exploring the desert?3. How was Ks interest in Sahara intrigued? 4. How do the researcher who have travelled with K describe him?5. What was the previous view on the transition of the savannah in

14、to desert? How about Ks view? How did he get the conclusion?6. What conclusion did K draw from the discoveries from Lake Yoa?7. What difficulties has K encountered during his exploration?8. How did K help to have the area of the Qunianga lakes get listed as the world heritage?9. What are Ks new plan

15、s for his exploration in Sahara? ReadingTask第14页/共23页 1. Ks first trip to the Saharaa. when b. where c. with whom d. for what e. how2. What has K accomplished in exploring the desert?3. How was Ks interest in Sahara intrigued? 4. How do the researcher who have travelled with K describe him?5. What w

16、as the previous view on the transition of the savannah into desert? How about Ks view? How did he get the conclusion?6. What conclusion did K draw from the discoveries from Lake Yoa?7. What difficulties has K encountered during his exploration?8. How did K help to have the area of the Qunianga lakes

17、 get listed as the world heritage?9. What are Ks new plans for his exploration in Sahara? ReadingTask第15页/共23页 1. Ks first trip to the Saharaa. when b. where c. with whom d. for what e. how2. What has K accomplished in exploring the desert?3. How was Ks interest in Sahara intrigued? 4. How do the re

18、searcher who have travelled with K describe him?5. What was the previous view on the transition of the savannah into desert? How about Ks view? How did he get the conclusion?6. What conclusion did K draw from the discoveries from Lake Yoa?7. What difficulties has K encountered during his exploration

19、?8. How did K help to have the area of the Qunianga lakes get listed as the world heritage?9. What are Ks new plans for his exploration in Sahara? ReadingTask第16页/共23页Word Pretest 1 canyon: a long, narrow valley with very steep sides. 2. embark on: start doing something new, difficult, or exciting R

20、edundancy is the spur for many to embark on new careers. 裁员促使很多人开始从事新事业。 Some forethought and preparation is necessary before you embark on the project. 你着手进行这个项目之前必须有所考虑，有所准备。 3. ordeal: a severe or trying experience煎熬；磨难；折磨 the painful ordeal of the last eight months. She described her agonising o

21、rdeal. 她描述了自己备受折磨的苦难经历第17页/共23页 4. amass: get or gather together She is amassing a lot of data for her thesis 5. circumspect: cautious in what to do and to say and do not take risks. You seem to be implying, in your usual circumspect manner, that perhaps it might not be a wonderful idea. 你好像正以你一贯谨言慎行的方式暗示，那个主意也许不怎么样。 词根: spect =look/see,表示看 perspective 透视的; prospective ; retrospective 追