2013
高考英语考前冲刺精选：阅读理解（1）及答案 d pregnancy(妊娠) and childbirth kill more than 536,000 women a year. more than half of the cases happened in africa, according to the world health organization. in fact, most of the deaths are preventable with basic medical care. the five leading causes are bleeding, infection, high blood pressure, longtime labor and bad abortions (流产). mothers' deaths from such causes were largely reduced nearly a century ago in developed count
