“水脏”是指()
A.肾
B.脾
C.肺
D.膀胱
E.三焦
参考答案:A
计量资料配对t检验的无效假设(双侧检验)可写为()
A.μ=μ0
B.μd≠0
C.μ1=μ2
D.μ1≠μ2
E.μd=0
Well, who would you rather ____ with you to the theatre, George or me?
A.have to go
B.have gone
C.to have gone
D.have go