Born in Scotland in 1847, Alexander Bell became interested very early (1) …........……..
methods of human communication. He was influenced by his father and grandfather, who spend
years working with deaf people and those with faulty (2) ……………… Bell’s father even go
system so far as to develop a system of so- called “visible speech” for the (3) …………. . He used
sketches of the different (4) ....………….. of the lips and tongue. This science of visible speech
formed the foundation of young Bell’s knowledge of the mechanics of (5) .....………. speech.
1. A. on B. in C. at
2. A. speed B. speech C. sound
3. A. blind B. sick C. deaf
4. A. positions B. ways C. uses
5. A. man B. human’s C. human
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Sinh Học lớp 12
