Thispassageismainlyabout______.

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This passage is mainly about______.

A. how Louis Pasteur's friend died

B. Louis Pasteur's experience and achievement in curing rabies

C. how Louis Pasteur's arm and leg were disabled

D. Louis Pasteur cured a boy who had been badly bitten by a mad dog

参考答案:

B此题为主旨题。本文介绍了科学家巴斯德的经历和他研制狂犬病疫苗成功的轶事。