完成一个Quiz，不算分

完成这个测验，深入了解你对世界的先入之见。完成测验后，你或许想将你的答案与汉斯·罗斯林的《你对世界了解多少？》中“无知调查”的结果进行比较。

然后，您可以通过数据科学对社会的影响来学习如何使用可视化和数据科学来探索影响全球社会的问题，例如贫困、教育、健康和环境。

Question 1

In the year 2000 the total number of children (age 0-14) in the world reached two billion.

How many do United Nations (UN) experts estimate there will be by the year 2100?

Select one:

• a. 4 billion
• b. 3 billion
• c. 2 billion
• d. 1 billion

Question 2

What percentage of adults in the world today are literate - i.e. can read and write?

Select one:

• a. 20% of adults
• b. 40% of adults
• c. 60% of adults
• d. 80% of adults

根据联合国教科文组织（UNESCO）近年的数据，全球成年人的识字率约为 86%，即大约五分之四的成年人能够读写。因此，最接近的选项是：d

Question 3

What is the life expectancy in the world as a whole today?

Select one:

• a. 40 years
• b. 50 years
• c. 60 years
• d. 70 years
• e. 80 years

根据世界卫生组织（WHO）与联合国（UN）近年的统计，全球平均预期寿命约为 73 岁（2023 数据），最接近的选项是 70 years。

Question 4

In the last 30 years the proportion of the world population living in extreme poverty has…

Select one:

• a. increased
• b. remained more or less the same
• c. decreased

根据世界银行与联合国数据，过去 30 年全球极端贫困人口比例显著下降（尤其是东亚、南亚地区的减贫成就显著）。

Question 5

What percentage of total world energy generated comes from solar and wind power? Is it approximately...

Select one:

• a. 40% of energy
• b. 20% of energy
• c. 10% of energy
• d. 5% of energy
• e. 2% of energy