For instance, in one 2001-2002 governmentsurvey, 48 percent of women having abortions said they had undergone a previous abortion.
例如2001 ~ 2002年的官方调查显示，48%堕胎的女性承认，她们之前就流产过。
2
Chinese government is poised to conduct its first national survey of pollution sources in February to help control environmental deterioration in the country.
中国政府准备在2月份进行首次全国污染源调查，以帮助控制环境恶化。
3
It looks like you're registered for Introduction to Astronomy, Survey of American Literature, and Introduction to Government and Politics.