哪种师生关系模式容易使学生形成良好的人格特征________。 A．管理型 B．放任

男性，46岁，车祸导致骨折并有大出血，病人有休克表现，应采取的体位是（）

A.头高足低位

B.右侧卧位

C.去枕平卧位

D.头和躯干抬高20°～30°，下肢抬高15°～20°

E.半坐位

对连杆螺栓的要求说法错误的是（）。

A．为保证轴瓦紧固螺栓应采用刚性结构

B．螺栓头和螺母的支撑面要与螺杆中心线垂直

C．螺母要有锁紧装置

D．中高速柴油机连杆螺栓要定期换新

当归补血汤制方原理涉及

A．壮水制火
B．补气生血
C．填精化血
D．阴中求阳
E．精中求气

法律信仰最本质、最内在的特征，其实是通过法律实现对人类终极价值的关怀。

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs．which just move the bits from one network to an identical network．One layer up we find bridges and switches which operate at data link layer．They can accept (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe packer formats．In the transport layer we find transport gateway，which can interface between two transport connections Finally，in the application layer，application gateways translate message (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．syntax

B．semantics

C．language

D．format