不能作为幽门梗阻诊断依据的是()
A.上腹部胀痛
B.呕吐酸酵宿食
C.胃型和蠕动波
D.清晨空腹振水声
E.代谢性酸中毒
参考答案:E
正确的学龄前儿童的口腔保健措施是()。
A.选用硬毛牙刷
B.含氟牙膏用量为豌豆大小
C.开展氟水漱口
D.开展氟离子导入
E.使用牙线
Which of the following real estate valuation approaches is most likely to use slope coefficients derived from a statistical analysis to estimate the value of a property()
A. cost approach.
B. sales comparison approach.
C. discounted after-tax cash flow model approach.