2015年5月IB地理真题（SL+HL）下载-Paper1
1. Populations in transition
The graph shows the old-age dependency ratio in 2010 and the estimated old-age dependency ratio for 2050 for a selection of countries.
(a) Describe what is meant by old-age dependency ratio.
(b) Identify which country on the graph is predicted to have the fastest growth in old-age dependency between 2010 and 2050.
(c) Explain two reasons why the population is ageing in the five countries shown.
(d) Suggest two reasons why men have a lower life expectancy than women in most countries.
2. Disparities in wealth and development
The graph shows the relationship between the Human Development Index (HDI) and enrollment in education (the number of students enrolled in education as a percentage of the population of school-going age).
(a) Describe the relationship shown on the graph.
(b) State the three components that make up the Human Development Index (HDI).
(c) Suggest two reasons why composite indices (such as the HDI) are used to measure global or regional disparities.
(d) Explain one advantage and one disadvantage of using debt relief to reduce global disparities.
3. Patterns in environmental quality and sustainability
The graph shows total carbon dioxide (CO2) emissions by region from 1990 to 2010.
(a) Describe the trend of CO2 emissions in Asia between 1990 and 2010.
(b) Suggest two reasons why CO2 emissions in Europe have decreased since 1990.
(c) Distinguish between global climate change and the enhanced greenhouse effect.
2015年5月IB地理真题余下省略！
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