螺纹的预紧和防松?
抗O试验可以辅助诊断()。 ["结核病","肺炎","流脑","百日咳","急性肾小球肾炎"]
关于急性蜂窝织炎的临床表现不正确的有() ["初为弥漫浸润性斑块","局部红肿疼痛","斑块边界不清","局部皮温低","可有高热和全身不适症状"]
选择性蛋白尿指数(SPI)超过多少时表示肾脏是非选择性地排泌较大的蛋白质() ["0.1","0.2","0.3","0.4","0.5"]
患儿男,10岁。高热4天后出现鲜红色斑丘疹,从耳后、颈、发际蔓延至面部、躯干、四肢。颊黏膜可见针尖大的灰白色小斑点,周围绕以红晕。最可能的诊断是() ["A.猩红热 ","B.风疹 ","C.麻疹 ","D.药疹 ","E.湿疹"]
农用地实际产能