对研究所需指标或数据进行测定或测量时产生的偏倚为()。
A.易感性偏倚
B.诊断怀疑偏倚
C.暴露怀疑偏倚
D.Berksons偏倚
E.测量偏倚
参考答案:E
— you drive a car?
—No, I can' t.
A.Can
B.Must
C.May
D.Would
When Miss Green began to something, the children stopped and became quiet.
A.speak; telling
B.tell; speaking
C.talk; saying
D.say; talking