由调查询问人员引起的误差有()。
A.提问引起的误差
B.记录引起的误差
C.不情愿引起的误差
D.欺骗性误差
参考答案:A, B, D
— I didn't mean ______ my mother.
— But talking to her like that meant ______ her.
A.hurting; hurting
B.to hurt; hurting
C.hurting; to hurt
D.to hurt; to hurt
一个角的补角的度数是128°12′,则它的余角的度数是______.