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四大发明为什么会在中原孕育?

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Data is transferred between two servers using NFS, where one server is configured with token ring, and the other system is configured with ethernet. It is discovered that the performance is greatly reduced during this transfer. Which of the following steps should be taken to improve performance?()

A. Reduce MTU on token ring system to match ethernet system using ifconfig command (i.e. ifconfig tr0 mtu 1500)
B. Reduce MTU on token ring system to match ethernet system using no command (i.e. no -o mtu=1500)
C. Increase MTU on ethernet system to match token ring system using ifconfig command (i.e. ifconfig en0 mtu 4096)
D. Increase MTU on ethernet system to match token ring system using no command (i.e. no -o mtu=4096)

城、郊区中、小学全部开设健康教育课,注重培养学生养成良好的卫生行为,学生健康知识知晓率和健康行为形成率是多少?14岁以下儿童蛔虫感染率是多少?

幼小衔接必须坚持长期性而()的原则。

热水坐浴的目的在于减轻局部痉挛及疼痛。

A. 正确
B. 错误

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