【单选题】近年来,在慢性心力衰竭治疗中常用的卡托普利属下列药物中的
【单选题】若B药和A药作用于同一受体,A药的内在活性为α(α≠0),而B药的内在活性为β(β≠0,β<;α),当B药的浓度恒定时,A药处于低浓度时,两药的作用为相加。但随着B药的浓度增加,即使增大A药浓度,效应不见增大,反而越来越小,出现竞争性抑制。B药称为
【简答题】___ A. He is suffering from the difference of time zones. B. He has been studying hard at night. C. He finds biology difficult to learn. D. He has not adjusted to a new culture.
【简答题】完形填空(注意黑体词不会的单词圈好,做完题拿字典查出来,整理完,背下来) Once a man lost his umbrella. He put an advertisement in the newspaper, 1 without result. So one day he came to one of his friends, a 2 , for help. His friend aske...
【单选题】近年来,在慢性心力衰竭治疗中常用的卡托普利属哪一类药物
【单选题】近年来.在慢性心力衰竭治疗中常用的卡托普利属哪一类药物
【简答题】完形填空。 Bob wants to get some money. He finds a job at a shop. Every day he __ 1 __ some work after school. But __ 2 __ Saturday he works __ 3 __ day. Every day after school, he takes a bus to the shop...
【简答题】Situation: A guest is checking out at the cashier’s. He finds a mistake in the bill. He’d like to settle the bill in cash. 请先读情景,然后给下列各环节按流程排序。 账单重打 祝福 账单疑问 行李 支付 问候 出租车 小冰箱 核对账单 客户联 签名 房卡 1 à 2 à 3 à...