Part VI Translation
　　Directions: Complete the sentences by translating into English the Chinese given in brackets. Please write your translation on answer sheet 2
　　87.Medical researchers are painfully aware that there are many problems _that they haven’t found answers_to (他们至今还没有答案)
　　88.What most parents are concerned about (大多数父母所关心的) is providing the best education possible for their children.
　　89.You’d better take a sweater with you in case it turn(s) cold (以防天气变冷)来源：考试大
　　90.Throught the project, many people have received training and decided to start their own business (决定自己创业)
　　91.the anti-virus agent was not known until it was accidentally found by a doctor (直到一名医生偶然发现了它)
　　相关推荐：英语四级10种常见典型语法错误分类解析
　　　　 　　  英语四级考试词汇语法时态一致的四条要点