学校健康教育的根本目标不包括的是（）

A.使学生获得必要的卫生知识

B.树立健康价值观

C.培养巩固健康行为

D.改变学生行为

E.预防疾病

However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warning are（）.

A.selective and can be suppressed by ships

B.mandatory and can not be suppressed by ships in the affected area

C.not very important so that ships don‟t require them

D.received by all ships wherever they are