The answer is not what you might think. In 1900, people died at the average (平均的) age of 30. By 2000 the average age was 65. But while increasing health was obvious of the 20th century, declining (下降的) birth rate could be more obvious of the 21st....
In total, 25% of India's working-age population has no education. In 2030, a sixth of the country's potential work force could be totally uneducated. One solution is obviously to import foreign workers via immigration. As for the USA, it is almost unique among developed nations in having...
(一)Canada shares the longest international border (边界) in the world with the USA, which is about 8,892 km long. The longest part of the border is shared with the US state, Alaska, and it is about 2,475 km long. Here is more information about Canada. Geography ★the largest waterf...
In subsequent history the twentieth century may be called either the century of world wars or the century of the population plague. In 1900 the world’s people numbered approximately 1.65 billion. Now, 70 years later, the number is almost twice as large and, by the end of the century, it...
If current trends don't9 G __. Russia's population will be about the size of Yemen's by the year 2050.One solution is obviously to import foreign workers vi a immigration. As for the USA, it is almost unique among developed nations in having a population that is expected to grow by...
80.compensate 信息归纳题 根据"Moreover,the USA has a track record of successfully accepting immigrants.As a result it's likely to see a rise in the size of its working-age population"可知,美国的移民政策将会使劳动力有所增加,接纳移民可以弥补劳动力的短缺. 这篇文章主要讲述了全球的人口现状,...
This chapter examines the size, geographic distribution, and selected characteristics of the Jewish population of the US. Section 5.1 addresses the procedures employed to estimate the Jewish population of more than 900 local Jewish communities and parts
80.compensate 信息归纳题 根据"Moreover,the USA has a track record of successfully accepting immigrants.As a result it's likely to see a rise in the size of its working-age population"可知,美国的移民政策将会使劳动力有所增加,接纳移民可以弥补劳动力的短缺. ...
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Assessing strategies for increasing urban routine immunization coverage of childhood vaccines in low and middle-income countries: A systematic review of peer-reviewed literature Kristin N. Nelson, ... Vance Dietz, in Vaccine, 2016 1 Introduction Since 2007, the majority of the global population has...