单项选择题
A.One. B.Two. C.Three. D.four.
A.Because everyone have the same chance in this way. B.Because the IQ is an average and doesn't say any thing about special abilities. C.Because they are the only three types of questions that can be used at present. D.Both A and B.
A.Spending too much time on a single .question. B.Carelessness. C.Lack of persistence. D.Getting the wrong answer.