肾移植术后发生急性排斥反应的临床表现不包括（）
A.血压升高
B.移植肾部位有压痛
C.血红蛋白升高
D.体温升高
E.全身肌肉酸痛
参考答案：C
丝圈式缺隙保持器（）
A.丝圈应离开牙槽嵴0.5mm
B.丝圈应离开牙槽嵴0.5～1mm
C.丝圈应离开牙槽嵴1～2mm
D.丝圈应离开牙槽嵴2～3mm
E.与牙槽嵴贴近
(74) is NOT served by building a prototype.
A．It takes the place of the final system
B．It is used as the foundation of the larger projects
C．It assists in estimating the cost of the project
D．It assists in gathering software requirements
