单项选择题

不属于培养基作用的是（）
A、培养细菌
B、分离细菌
C、鉴别细菌
D、杀灭细菌
E、制备生物制品

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不定项选择
人们奋斗的一切都与利益有关
A．正确
B．错误
单项选择题
Which of the following statements is NOT TRUE of the king? A、He is semi-barbaric, but influenced by more civilized neighboring countries. B、He is full of fantastic ideas in ruling the kingdom. C、Once his mind is made up, he puts the idea into practice. D、He is determined to kill the man who dares to love his daughter.
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