Tham khảo tài liệu 'synonym-toefl-lesson 17', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Synonym-TOEFL-Lesson 17 1. Because the details of the project were rather hazy we decided to reject the proposal. D u A dubious u B unobtainable u C lucrative u D vague 2. An immature teenager may start smoking in order to appear older. B u A shy u B juvenile u C naive u D insecure 3. For your safety and the safety of others always pay attention to traffic signals. B u A overlook B heed u C glance at u D repair 4. Even as a child Thomas Edison had a very inquisitive mind at the age of three he performed his first experiment. D u A complex u B brilliant u C mature u D curious 5. The Morrill Act of 1862 authorized the states to use federal lands for the establishment of colleges that would offer programs in agriculture and the mechanical arts. C u A .