A.He is confused by the professor’s comment.
B.He is concerned that the professor has misspoken.
C.He is curious as to why the professor mentioned this information.
D.He is amazed at the figure presented by the professor.
B.前科库主要信息来源是暴力犯罪人员的生物学样本
C.前科库一般记载样本编号、姓名、性别、民族、住址、身份证号码等个人信息,不包括以往的犯罪记录
D.现场库主要的信息来源是犯罪现场的生物学检材
A.experiences; experience
B.experience; experience
C.experiences; experiences
D.experience; experiences
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