属于β受体拮抗剂的是() ["胺碘酮","普罗帕酮","维拉帕米","异丙肾上腺素","倍他洛尔"]
患者口淡乏味,常提示的是()。 ["痰热内盛","湿热蕴脾","肝胃郁热","脾胃虚弱","食滞胃脘"]
不属于寄生虫致病机理的是() ["掠夺宿主营养","机械性损伤","虫体毒素和免疫损伤作用","败血症","继发感染"]
土的最佳含水量是土基达到()所对应的含水量。 ["天然密度","平均密度","毛体积密度","最大干密度"]
华支睾吸虫的补充宿主是() ["淡水螺","剑水蚤","淡水鱼、虾","田螺","地螨"]
镜影细胞作为重要诊断依据的疾病是()。非霍奇金淋巴瘤中很少见的类型是()。