从褐煤到焦煤，煤的发热量随煤化度的加深而（），到（）阶段出现最大值。
要坚持为人民健康服务的方向，坚持（）为主、（）为重点、中西医并重，按照保基本、强基层、建机制要求，为群众提供安全有效方便价廉的公共卫生和基本医疗服务。
水池满水试验时，充水水位上升速度不宜超过2m／h。相邻两次充水的间隔时间，不应小于（）24h。 ["5h","10h","12h","24h"]
Which OSI layer is associated with the following: The acknowledgement of transmissions, sequencing, and flow control across a network?（） [" Layer 2"," Layer 3"," Layer 4"," Layer 5"," Layer 6"," Layer 7"]
Refer to the exhibit. Based on the output from the show command on RT1which statement is true? （） [" OSPFv3 uses global IPv6 addresses to establish neighbor adjacencies."," RT1 has a subnet mask of 64 bits ."," RT1 has FastEthernet0\/0 set as a DR for network type broadcast."," OSPFv3 uses Link - local addresses to establish neighbor adjacencies."," RT1does not have a global IPv6 address set on FastEthernet0\/0."," OSPFv3 uses IPv4 addresses to establish nei ghbor adjacencies."]
简述区域经济政策的功能。
