the united nations has named wednesday world population day 2012, and the emphasis this year is on access to reproductive health. the u.n. says the number of women in the world’s poorest countries who want to use contraception, but don't, increased by nine million.
there are already seven billion people living in this world. half of the population is under the age of 25.
“we add a quarter of a million people a day to the world population, and, of course,
资源难易程度:★★★★★★★★★★★★★★★
高考资源网版权所有 ©2005-2014
未经许可,盗用或转载本站资料者,本站将追究其法律责任!