【单选题】煮沸消毒金属器械时,为了增强杀菌作用和去污防锈,可以加入
【简答题】心的传导系由()、()、()、房室束及其分支等组成。
【单选题】煮沸消毒金属器械时,为了增强杀菌作用和去污防锈,可加入
【简答题】心的传导系由__________、__________、__________ 及其分支等组成。
【单选题】We keep our clients informed of every _____matter influencing their rights.
【单选题】The commodities you offered are _________ line with the business scope of our clients.
【单选题】To our ____ _,the boy made no mistakes in the exam this time.
【简答题】心的传导系由________、________、________和________等组成。
【单选题】实验室常利用______试剂来鉴别低级的伯、仲、叔醇。
【单选题】We offer product demonstrations to all_______clients, as promised in our advertisements.