检索所有比“王华”年龄大的学生姓名、年龄和性别。正确的SELECT语句是______。

A．SELECT SN,AGE,SEX FROM SWHERE AGE＞ (SELECT AGE FROM SWHERE SN='王华')

B．SELECT SN,AGE,SEXFROM SWHERE SN='王华'

C．SELECT SN,AGE, SEX FROM SWHERE AGE＞(SELECT AGEWHERE SN='王华')

D．SELECT SN,AGE,SEX FROM SWHERE AGE＞王华 AGE

根据中医望诊理论，胃火可见（）。

A.齿稀根露

B.齿龈红肿

C.齿龈青紫

D.齿龈淡白

E.牙齿蛀蚀