问题
选择题
馒头的蒸制和泡菜的制作分别是什么微生物作用的结果（ ）
A．细菌和酵母菌
B．酵母菌和乳酸菌
C．细菌和乳酸菌
D．乳酸菌和细菌
答案
答案：B
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馒头的蒸制和泡菜的制作分别是什么微生物作用的结果（ ）
A．细菌和酵母菌
B．酵母菌和乳酸菌
C．细菌和乳酸菌
D．乳酸菌和细菌
答案：B
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| Mr. Johnson worked in a restaurant, but he wasn't a good 1 and at last he was sent away. Once he went to see the doctor because something was wrong with his ear. He 2 the doctor twenty dollars after the 3 treatment. It made him think it easy to get money as a doctor. So later he 4 a hospital in a small town. At first, people there knew 5 about him and they came to see him. But soon they found he couldn't treat them at all and his medicine didn't 6 . One evening he heard the door 7 at and found a traveler 8 in front of his hospital. He thought he had a bad cold and 9 him take some medicine. After that the man left. On the second day a young man came in and said, "Thank you very much, doctor!" It 10 Mr. Johnson as he hadn't seen him before. The young man continued, "My uncle died from your wrong treatment yesterday and he left much money to me!" | ||||
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