What does the passage mainly discuss? [br] According to paragraph 3,proponents o

游客2024-01-05  7

问题 What does the passage mainly discuss? [br] According to paragraph 3,proponents of spontaneous generation believed that which of the following was important for the process to succeed ?

选项 A、A sealed container
B、Fresh air
C、Heat
D、The presence of nutrients

答案 B

解析
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