北京地区成人本科学士学位英语统一考试2019年11月.docx

2019年11月 （北京地区的学位英语考试） Part I Reading Comprehension (30%) Passage 1 There are more species (种类) of beetles (甲虫) than any other form of life. About 380,000 species of beetles are known to exist, and more are discovered all the time. There are several theories about why there are so many beetles, but