【单选题】从现实和长远看,餐饮消费市场的主旋律是:
【单选题】已知某企业的税前利润为500万元,所得税为50万元,平均资产总额为1000万元,该企业的总资产报酬率为()。
【单选题】The word 'groundbreaking' (paragraph 7) can be interpreted as______.
【单选题】有关Rh血型不合引起的新生儿溶血症不正确的是
B.
初次分娩后,72小时内给母体注射Rh抗体可有效预防再次妊娠时发生新生儿溶血症
D.
若Rh抗体效价≥1:16,胎儿很可能发生水肿
【单选题】The concept of personal choice concerning health is important because____.
A.
it is essential to personal freedom in American society
B.
it helps raise the level of our medical knowledge
C.
personal health choices help cure most illnesses
D.
wrong decisions could lead to poor health