治疗肺炎支原体肺炎应选用( )
A．青霉素B．红霉素C．氯霉素D．林可霉素E．头孢他定
参考答案：B
—Can I help you?
—_________. How do I get to the train station?
A．Sorry
B．Yes, please
C．OK
D．Sure
gametogenesis (配子发生)
