The world’s population has reached 7 billion(十亿)according to the United Nations(联合国)by 2011. It comes just 12 years since the total reached 6 billion - with official estimates saying the population will top 8 billion in 2025 and 10 billion before the end of the century.
And it is most likely that the 10-billionth baby will be born in the Asia-Pacific region - where the population growth rate is higher than anywhere else in the world.
Of the 2.3 billion people, the United Nations believes will be added by 2050, more than 1 billion will live in sub-Saharan Africa. The Indian subcontinent(次大陆)will add some 630 million people.
With more people to feed, more houses & medical care to provide, experts say the world’s resources(资源)will face more strain than before.
According to the picture, the population of the world reached 6 billion in ________.
A. 1987 B. 1999 C. 2011
We know that more than 1 billion will live in _______ by 2050.
A. sub-Saharan Africa
B. Indian subcontinent
C. the United States
According to the picture, _______ will have the largest population in 2050.
A. China B. India C. Nigeria
The underlined word “strain” in the last paragraph(段落)means “_________”.
A. 破坏 B. 关闭 C. 压力
The population of the world grows ________ according to the picture.
A. slower and slower
B. faster and faster
C. smaller and smaller