2015年6月21日SAT官方每日一題

　　2015年6月21日SAT官方逐日一題

　　Writing > Identifying Sentence Errors

　　The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.

　　Scientists (A) researching artificial intelligence have turned(B) its attention to the biology of the human brain and (C) its billions of neurons to get inspiration for the(D) next generation of computers. (E)No error.

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　謎底：B

　　【剖析】

　　The correct choice is (B). The singular possessive pronoun "its" does not agree with the plural noun it refers to, "Scientists," and should be replaced with the plural possessive pronoun "their."