难句突破：
(1) The study, carried out by the Guttmacher Institute in New York in collaboration with the World Health Organisation (WHO) and published in a British medical journal, theLancet, found that most abortions occur in developing countries-35m a year, compared with just 7m in rich countries.
[主体句式] The study found that...
[结构分析]这是一个复合句，其主语的定语为两个并列的分词短语：carried out by... 和published in...，而宾语从句中破折号后面的成分可以看作是补语。
[句子译文]这项研究由纽约的Guttmacher研究所和世界卫生组织合作进行，发表于英国医疗期刊Lancet上，该研究发现大多数堕胎都发生在发展中国家，一年大约有3500万例，而在富裕国家中一年只有700万例。
(2) Of the 535,000 women who died in childbirth or from pregnancy-related complications in 2005, 99% were in developing countries, according to another report by a group of UN agencies, including WHO, also out this week.
[主体句式] 99% were in developing country.
[结构分析] 这是一个复合句，由of构成的介词短语是句子主语的定语，该介词短语中有一个who引导的定语从句修饰名词women；according to构成的介词短语是句子的状语，在该状语中also out this week是report的补语。
[句子译文] 而根据本周联合国机构（包括世界卫生组织）的一个组织的另外一个报道，2005年死于生产或怀孕相关并发症的53万5千名妇女中，99%是在发展中国家。
