判断因果关联的标准主要包括（） A.关联的合理性 B.关联的时间顺序性 C.关联的剂

关于胸部皮节体表标志正确的有

A．剑突水平为T8

B．肋缘水平为T8

C．平脐为T12

D． * * 水平为T4

E．剑突水平为T6

The teacher        class when I      the classroom at ten o’clock yesterday morning.

A．was having, got to

B．had, got to

C．had, was getting to

D．was have, got to

Streeter--Phelps模式是（）。

A．A

B．B

C．C

D．D

S(S#,SN,SEX,AGE,DEPT)
C(C#,CN)
SC(S#,C#,GRADE)
其中：S#为学号，SN为姓名，SEX为性别，AGE为年龄，DEPT为系别，C#为课程号， CN为课程名，GRADE为成绩。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 S WHERE AGE>(SELECT AGE FROM S WHERE SN='王华')

B．SELECT SN,AGE,SEX FROM S WHERE SN='王华'

C．SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE WHERE SN='王华')

D．SELECT SN,AGE,SEX FROM S WHERE AGE>王华 AGE

痰证