患者，男性，40岁，左下肢肿胀伴疼痛四天，B超示左股静脉血栓形，成在家属扶助下步行入院，其最严重的并发症为
男， 34 岁。因风湿性心脏病行二尖瓣瓣膜置换术。术后服用华法林，护士指导其用药过程中最重要的是
YouarethemostdirectyoungwomanIhaveever_______.
Theprofessoraskedaquestion,andDavid________agoodanswer.
Fishis________andexpensiveatthistimeoftheyearinthisarea.
WhichofthefollowingisnottrueaboutthepoliticalsystemofNewZealand?
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.
IntheUnitedKingdom,policeofficersarenotallowedtojoin________ortogoonstrike.
Iparticularlywanttopaytribute,notonlytothosewhopreparedthemagnificentdinner,butalsotothosewhohaveprovidedthesplendidmusic.（）
AsfarasAustraliancultureisconcerned,thehistoryofAustraliacanbedividedintothefollowingphaseswiththeexceptionof________.
Sincewehaveafocusedsubject，weshouldnottalk________.
Thevehiclewastravelingatspeeds________90milesperhour.