原式=x-1x+1．
故答案为：x-1x+1．
With the development of science and ________, computers will play a more and more important part in
our life. [ ]
A. technology
B. skill
C. technique
D. power
患者男性，急性发病，面颈部、腋窝起红斑，并有渗出、结痂、糜烂、痒剧，伴心烦，口渴，大便秘结，舌红，苔黄，脉滑数。
根据临床表现应诊断为：（）。
A.湿疮湿热蕴肤
B.风瘙痒湿热内蕴
C.白屑风肺胃热盛
D.粉刺肠胃湿热
E.油风血热风燥
