Tham khảo tài liệu 'tiếng anh bằng a –l033', ngoại ngữ, chứng chỉ a, b, c phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Tiếng anh bằng A -L033 1 Colleges in the newly formed United States in recovering from the adverse effects of the American Revolution inaugurated a broad curriculum in response of social demands. a A b B c C d D 2 Humus is formed during soil microorganisms decompose animal and plant material into elements usable by plants. a A b B c C d D 3 Ozone is an unstable faintly bluish gas that is the most chemical active form of oxygen. a A b B c C d D 4 The development of professional sports in the United States dates back to nineteenth .