【判断题】(True or False)When the inputs to a 3-input NOR gate are 001, the output is LOW.
【单选题】According to the law of diminishing marginal product, if all the inputs to a firm are increased in equal proportions,
A.
output will increase more than in proportion to the increase in the inputs.
B.
output will increase less than in proportion to the increase in the inputs.
C.
output will increase exactly in proportion to the increase in the inputs.
D.
The law of diminishing returns says nothing about what will happen to output when all inputs are increased in equal proportions.
【简答题】病历摘要男性,41岁。右上腹持续隐痛1年,加重1个月。患者1年前出现右上腹部持续隐痛,伴腹胀、纳差、乏力,未正规治疗。1个月前自觉疼痛症状加重,伴腹泻,轻度皮肤巩膜黄染、低热,右肩痛,无恶心,呕吐。患者自行口服"胃药",症状无明显缓解。发病以来,食欲欠佳,睡眠尚可,体重减轻。既往史:无胃肠疾病史,慢性乙型病毒性肝炎病史14余年。无药物过敏及手术、外伤史。无烟酒嗜好。查体:T37.0℃,P80次/分...
【判断题】When the inputs to a 3-input AND gate are 001, the output is HIGH.
【判断题】When material inputs enter a country at a very low duty while the final imported product is protected by a high duty, the result tends to be a high rate of protection for domestic producers of the fin...
【判断题】本征半导体是指没有掺杂的纯净晶体半导体。( )
【单选题】在能斯特方程式 的物理量中,既可能是正值,有可能是负值的是()。
【单选题】患者,男,42岁。慢性肝炎史。近两个月右上腹持续闷痛,低热,消瘦明显。查体:贫血貌,肝于右肋弓下触及边缘,质硬,轻度压痛。实验室检查:Hb80g/L,AFP(+),便隐血试验阳性。最可能是
【简答题】病例摘要:马某,男,45岁,已婚,干部。于2013年5月18日前来院就诊。
自诉腹胀、隐痛,消瘦、食欲不振、厌油腻近3年。无明显诱因从2009年3月开始,出现上述症状。在县医院及市某医院检查,诊断慢性乙型肝炎,予口服抗病毒药物及保肝降酶药,症状有所改善,近3个月来症状加重,并于右上腹触及包块,遂前来院求治。现症见:右上腹胀隐痛,痛处有包块,固定不移,食少纳呆,胸腔痞满,嗜睡,肢倦乏力,气短心悸,...
【判断题】本征半导体是指没有掺杂的纯净晶体半导体。( )