新编英语教程第三版2Unit2课件.ppt
Unit 2,The relative clauseA Trip to Huangshan Natural Resources,1,Language structures,Look at the following sentences:,What do you call a person who is in charge of or helps to run a library?What do you call the thing that you hold to shelter yourself from rain?,2,Have you read all the books that you borrowed from me?先行词 all, 关系代词只能用that。同理有以下词：all, much, anything, something, nothing, everything, little, none等不定代词。如果先行词被形容词最高级以及first, last, any, only, few, much, no, some, very 等词修饰，关系代词常用that, 不用which, who或whom如果关系代词紧跟在介词后面，不能用who或that， 只能用which 或whom。在非限从句中，不能用that, 做宾语的代词也不可省略。,3,注：关系代词只能在限定关系从句中的以下场合可以省略：1.当关系代词在从句中做宾语时。2. 当关系代词that 在从句中做补语时。3. 当关系代词在从句中做主语，主句是it is, that is, there is 引导的场合时，可以省略。,4,A Trip to Huangshan,5,The Yellow Mountain is one of the most famous mountains in China. It lies in the south of the Anhui. Every year thousands of Chinses and foreigners pay a visit there. It takes you get there by bus. You can also go there by train or by plane. While you are climbing the mountain, you can enjoy the sea of the clouds, wondrous pines and unique rocks around you. In the early morning when the sun rises, the sky looks very beautiful. Its really a nice place to visit.,6,Questions,Whats the best time to go to Huangshan?Why do people visit Huangshan?Why do some people go to Huangshan by plane while others choose to take a bus?What is Huangshan most famous for?Did B tell A the details about how to get to Huangshan? Why not?,7,New words,afford, session, definitely, trade-off, fabulous, scenery, considerable, winding, nerve wracking, stretch, john, incidentally, rappelling, partake of, itinerary,8,You know, summer is always the tourist season for mountain resorts.,season: 假日，旺季。(食物）盛产季节。 the holiday season, tomato season, football season.,9,We cant afford the time when school is in session.,afford,When I was little, my parents could not even afford a new television. (有足够的钱，时间或地方做某事）He is too afraid to stand against his boss because he cannot afford to lose his job. (冒风险做某事）The internet affords convenience to many. (给予，供给）,10,in session: not on vocation 不在休假期；assembled for business 开庭，开会,Are American universities in session during August?The court is now in session.,11,as a trade-off,trade-off: a balancing of various factors in order to achieve the best combination, compromise. 权衡，协调,trade sth. off give sth. (in exchange for sth. )as a compromise.,A trade-off between efficiency in use and elegance of design has been achieved.,效能和设计优美两方面达到了协调一致。,12,a one-way bus ride: 单程 return trip, round trip: 往返,13,on narrow winding roads winding: twisting or turning wind-wound-wound(蜿蜒曲折） The path winds through the woods. wind winded-winded (吹，使呼吸急促）,14,stretch ones legs:Go for a short walk, usu. After you have been sitting down for a long time. Office workers need to stretches their legs from time to time because their working style is too sedentary.,stretch a point 超出一般所允许的范围；做出让步 stretch sth. out - 使某物延续或足够所需 stretch oneself out - 躺着舒展身体,15,incidentally nsdent()l,by the way 顺便提一句 in an incidental way 偶然地，不经意地,incidental：较不重要的，次要的；偶然发生的,The letter mentioned my parents only incidentally.The dinner party proved to be incidental to the main business of the evening. Risks are incidental to explorations.,16,Sample outline for retelling:Huangshan is a famous scenic spot.A asks B about his trip to Huangshan.B tells A when the best time to go to there is.B tells A the advantages/disadvantages of taking a plane/bus.B will not tell A how to get to Huangshan in detail until A has decided to go.,17,Reading I,Any of you come from Huangshi or Jinmen in Hubei?,18,19,Yellowstone National Park is the United States and the worlds first national park, established by the US Congress on March 1, 1872. Covering over 2.2 million acres/899,000 hectares, the park is larger than the states ofRhode IslandandDelawarecombined.There are nine visitors centers and museums, nine lodging facilities hosting a total of more than 2,000 rooms, more than 2,000 camping sites, about 50 picnic areas and a marina.,20,Suspension bridge spanning the Golden Gate, San Francisco. From its completion in 1937 until the completion of New Yorks Verrazano-Narrows Bridge in 1964, it had the longest main span in the world, 4,200 ft (1,280 m). It remains incomparable in its magnificence. Its construction, supervised by Joseph B. Strauss (18701938), involved many difficulties: rapidly running tides, frequent storms and fogs, and the problem of blasting rock under deep water to plant earthquake-resistant foundations.,Finish the exercise on page 15 of your workbook.,21,New words:,extraordinary, acre, priority, conservation, enterprise, giant, lumberjack, furious, march into, primarily, appeal to, geysers, mighty, geothermal, canyon, meadow, intact, temperate, lumberman, devastate, rot,22,
