减少和排除散射线的方法，错误的是（） ["利用X线束限制器","选择较低管电压可减少散射线","被照体加压","空气间隙法排除散射线","扩大照射野"]
枯柴描
用于检测早期糖尿病肾病的指标是（） ["本-周蛋白","β2<\/sup>-微球蛋白","微量清蛋白","尿液蛋白电泳","T-H蛋白"]
关于软骨的说法，正确的是（） ["营养依赖于淋巴管","具有对机体支持和保护作用","有神经支配","成人仅见于关节软骨","来源于胚胎期的间充质"]
（）属于浮水类水生花卉。 ["荷花","凤眼莲","睡莲","王莲"]
减笔描
