脱P反应有利条件是适当低温度、()、高FeO。
参考答案:高碱度
Sarah had her washing machine repaired the day before yesterday, ____ she? [ ]
A. had
B. did
C. hadn't
D. didn't
事业单位的管理人员实行的工资制度,在工资构成上,主要分为职员职务工资和()两部分。
A.专业技术职务工资
B.岗位津贴
C.奖金
D.岗位目标管理津贴