葛南直流工程保护系统采用()配置。A.单套 B.四取二 C.二取一 D.三取二 发布时间:2017-05-18 16:58 │ 来源:www.tikuol.com 题型:单项选择题 问题: 葛南直流工程保护系统采用()配置。A.单套B.四取二C.二取一D.三取二
题型:单项选择题 I have worked with him for some time and have found that he is ________ than Jim.A.more efficiently a workerB.a more efficient workerC.more an efficient workerD.a worker more efficient 查看答案
题型:单项选择题 血浆β-血小板球蛋白(β-TG)浓度及血小板第4因子(PF4)的浓度变化,下列哪项是正确的()。A.二者均增高,表明血小板被激活B.二者均增高,表明血小板未被激活C.二者均正常,表明血小板被激活D.二者均减低,表明血小板被激活E.二者均减低,表明血小板未被激活 查看答案