文件名称：unix4-ppt格式
文件大小：158KB
文件格式：PPT
更新时间：2012-05-27 14:40:27
unix
1. Charles Darwin, the famous biologist, was deeply interested in the _____ of animals and plants. A) specific B) characteristic C) peculiar D) particular 2. Many of the earliest _____ into the United States established large plantations. A) emigrants B) emigrations C) immigrants D) migrants 3. These goods are _____ for export, though a few of them may be sold on the home market. A) essentially B) completely C) necessarily D)remarkably 4. Failure usually comes in _____ with misfortunes. A) combination B) relation C) connection D) association 5. High interest rates _____ people from borrowing money. A) dissuade B) disturb C) distract D) discourage