高中英语公开课课件-温冬梅公开课（9.28）.pptVIP

Sep 28 (拓展Unit 30: 人口，自然与环境) A: or ; longer ; is growing ; is ; after ; the ; them ; greatly ; in ; workers B: CCA C: ACDBC D: BCDAD E: CCAB F: DBBCA CADAC DBADD CBADA Reading A 1. 65 or older (than 65) 3. The number of U.S citizens 85 years old and older (than 85) ________ (grow) six times as fast as the rest of the population. --the number of .. / a number of ... 9. in the proportion of : ....的比例 is grwoing Title ____________ P1: The population of the US is growing older and will continue to do so. P2: The “graying” of the United States is mainly due to ... It is also largely due to ... P3: The” graying” of the U.S will greatly affect the nations family and workforce. A fact / phenomenon The causes The effects The “graying” of the United States Main ideas 现象解释型 说明文 Summary A fact: The population .... According to a report, ... -- __________ a report, it is clear that the United States is _______________ . -- A report shows / indicates that ..... -- Based on a report , it is clear the United States is gradually stepping into an aging / graying society. -- A recent report shows that the United States is gradually stepping into an aging society. The causes : 1). The “ graying” of the United States is mainly due to the fact that people in the U.S are living longer. 2). It is also largely due to the old-growing of the “baby boomers” (生育高峰期出生的人), the generation born after the World War II. -- The reason for ... is that .... -- due to = owing to = because of = thanks to -- sth contribute to / lead to / result in .... One reason for this phenomenon is that the life span of Americans is lengthened. -- 同义词替换 The other reason is that the generation of the baby boomers is growing older. -- 句式变换 The effects 1). nations family -- it will move away from the nuclear family and towards a multigenerational family. (?) 2). workforce -- In 1989 there were 3.5 workers for every person 65 and older; by the year 2030, there will only be 2 workers for every person 65