Tham khảo tài liệu 'tiếng anh bằng a –l099', ngoại ngữ, chứng chỉ a, b, c phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Tiếng anh bằng A -L099 1 The harmonica s tones are made by the vibrations of the feeds created by the blowing and suction to the player. a A b B c C d D 2 The constitution of 1897 under which Delaware is now governed is fourth constitution in the history of the state. a A b B c C d D 3 Because most photographic filters work by subtract portions of visible light from the subject they decrease the intensity of light that reaches the film. a A b B c C d D 4 In a vacuum discharge tube at ordinary voltages and currents neon glows reddish- orange and is the mostly intense of all the rare gases. a A b
