【文章內(nèi)容簡介】
age of 2000 the average age was while increasing health was a typical feature of the 20th century,declining birth rate could be a defining one of the 21st.Statistics show that the average number of births per woman has fallen from in the early 1960s to ,around 50% of the world’s population live in regions where the figure is now below the replacement level( births per woman)and almost all developed nations are experiencing subreplacement birth might think that developing nations would make up the loss(especially since 80% of the world’s people now live in such nations),but you’d be birth rate is a major problem in many developing regions too,which might cause catastrophic global shortages of work force within a few decades.A great decline in young work force is likely to occur in China,for does it imply?First,China needs to undergo rapid economic development before a population decline hits the ,if other factors such as technology remain constant,economic growth and material expectations will fall well below recent standards and this could invite trouble.Russia is another country with population problems that could break its economic 1992 the number of people dying has been bigger than that of those being born by a massive 50%.Indeed official figures suggest the country has shrunk by 5% since 1993 and people in Russia live a shorter life now than those in is this occurring?Nobody is quite sure,but poor diet and above all longtime alcoholism have much to do with current trends don’t bend,Russia’s population will be about the size of Yemen’s by the year 2050.In the north of India,the population is booming due to high birth rates,but in the south,where most economic development is taking place,birth rate is falling a further twist,birth rate is highest in poorly educated rural areas and lowest in highly educated urban total,25% of India’s workingage population has no 2030,a sixth of the country’s potential work force could be totally uneducated.One solution is obviously to import foreign workers via for the USA,it is almost unique among developed nations in having a population that is expected to grow by 20% from 2010—,the USA has a track record of successfully accepting a result it’s likely to see a rise in the size of its workingage population and to witness strong economic growth over the longer term.【語篇解讀】 本文是一篇說明文。文章主要介紹了世界人口變化的趨勢及其原因,并分析了幾個國家存在的人口問題。 [信息概括題。根據(jù)第一段最后一句中的“declining birth rate could be a defining one of the 21st”與第二段第一句“Statistics show that the average number of births per woman has fallen from in the early 1960s to nowadays.”可知,21世紀(jì)的出生率要比以前低很多,故答案為lower。] [信息概括題。根據(jù)第二段的“almost all developed nations are experiencing subreplacement birth rate”和“Declining birth rate is a major problem...work force within a few decades.”可知,發(fā)達國家保持人口的現(xiàn)有規(guī)模也是困難重重。size/scale表示“尺寸,大小,規(guī)模”,符合文意。] [信息轉(zhuǎn)換題。根據(jù)第二段最后一句中的“which might cause catastrophic global shortages of w