在彩铅绘画中,通过()的手法,可表现色彩效果。 ["描画","素描","晕染","勾线"]
可引起肝脏明显肿大,表面光滑,边缘钝,质韧,有压痛,肝颈静脉反流征阳性的疾病是() ["急性肝炎","肝淤血","脂肪肝","肝硬化","肝癌"]
深圳地铁首班车到站前()分钟,开启车站各出入口、自动扶梯和垂直电梯。 ["5","10","15","20"]
结核性腹膜炎时腹部触诊的表现为() ["腹壁柔软","腹部饱满","板状腹","柔韧感","腹肌紧张度降低"]
四种形式的钻套分别适用于什么场合?
片麻状构造