kinds of molds. But only one kind can kill staph. The mold must have fallen into the dish a few days before. The cover was probably off only a few seconds(E). In those few seconds the right mold fell into the right dish. Another man might have thrown the dish away. But Fleming was very careful and smart. He understood what the mold did How lucky the humans were 1. During the experiments to find a medicine for staph infection A. the dishes were not covered B staph and mold were put together C. mold was kept in small dishes D staph was grown in small dishes 2. The word“ dreaded” means“ B scary C healthy D endangered 3. The last paragraph suggests that A. accidents happen to everyone B the careful person does not have accidents C. the careless person will miss valuable chances D luck is enough when people do scientific experiments 4. Most of this passage is written by A telling an unusua B showing the results of experiments C offering some reasons D giving some advice 5. This passage is mainly about A. medicine for a staph infecti B. useful accidents C. Dr. Fle D discovering penicillin4 kinds of molds. But only one kind can kill staph. The mold must have fallen into the dish a few days before. The cover was probably off only a few seconds (秒). In those few seconds the right mold fell into the right dish. Another man might have thrown the dish away. But Fleming was very careful and smart. He understood what the mold did. How lucky the humans were! 1. During the experiments to find a medicine for staph infections, ________. A. the dishes were not covered B. staph and mold were put together C. mold was kept in small dishes D. staph was grown in small dishes 2. The word “dreaded” means “_______”. A. famous B. scary C. healthy D. endangered 3. The last paragraph suggests that _______. A. accidents happen to everyone B. the careful person does not have accidents C. the careless person will miss valuable chances D. luck is enough when people do scientific experiments 4. Most of this passage is written by ______. A. telling an unusual story B. showing the results of experiments C. offering some reasons D. giving some advice 5. This passage is mainly about ______. A. medicine for a staph infection B. useful accidents C. Dr. Fleming’s research D. discovering penicillin