精选优质文档-倾情为你奉上SHANDONG UNIVERSITY COLLEGE ENGLISH TESTFOR NON-ENGLISH MAJORS OF CONTINUING EDUCATION（本科第4册）I. Vocabulary and Structure (15%)There are 30 questions in this part. For each of the questions, there are 4 choices marked A, B, C, and D. Choose the ONE that best answers the question.1. Researchers have only succeeded in marking off fragmentary stretches of DNA.A. combined B. single C. connected D. disconnected2. Companies now have an incentive t
