French educator Louis Braille invented a simple but_______code which has had an impact on the lives of generations of people who are blind.
举一反三
- The people in the city had a minute of silence as a _____ to the people who sacrificed their lives in the war. A: tribute B: memorial C: anniversary
- Baron Pierre de Coubertin was the French educator who was revered as the 'father of modern Olympics'. （ ）
- Baron Pierre de Coubertin was the French educator who was revered as the "father of modern Olympics"（ ）
- The<br/>people in the city had a minute of silence as a_____ to the people<br/>who sacrificed their lives in the epidemic. A: memorial B: tribute C: anniversary
- 57. James watt ____ the steam engine. A: was inventing B: invented C: had invented D: has invented