采集血气分析标本时,错误的操作是
D
暂无解析
Australia,whichisoneoftheworld'sdevelopedcountries,hasbecomerichthrough________.
Agriclturalchangesinthelate18thandearly19thcenturiesinEnglandweresogreatthattheywereworthyoftheterm“________”.
合营各方按注册资本比例分享利润和分担风险及亏损。()
AlthoughTomissatisfiedwithhisacademicachievement,hewonders_______willhappentohisfamilylife.
InGoDown,Moses,()illuminatestheproblemofblackandwhiteinSouthernsocietyasacloseknitdestinyofbloodbrotherhood.