Multiple choice exercise. 
Alexander Fleming was a Scottish biologist and pharmacologist. He is best known for discovering the antibiotic substance penicillin in 1928. He shared Nobel Prize in Physiology or Medicine in 1945 for this discovery with Howard Walter Florey and Ernst Boris Chain. 

Alexander Fleming Biography. He was a Scottish biologist and pharmacologist. He is best known for discovering the antibiotic substance penicillin in 1928. He shared Nobel Prize in Physiology or Medicine in 1945 for this discovery with Howard Walter Florey and Ernst Boris Chain. His accidental finding of penicillin in the year 1928 marked the start of today's antibiotics.

Alexander Fleming Biography - The Discoverer of Penicillin

alexander-fleming-biography-the-discoverer-of-penicillin

Let's do English ESL deep listening: focus on meaning. Multiple choice exercise. 
Alexander Fleming was a Scottish biologist and pharmacologist. He is best know…