Passage one
46. 正确选项C。 It can be avoided if human values aretranslated into their language.
47. 正确选项 D。 They are ill-bred.
48. 正确选项 C。 By picking up patterns from massive dataon human behavior.
49. 正确选项 D。 Do sufficient testing before takingaction.
50. 正确选项 A。 Determine what is moral and ethical.