2015年7月29日SAT官方每日一題

　　2015年7月29日SAT官方逐日一題

　　標題範例：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.

　　Farmers (A)who grow major crops such as corn, rice and wheat,(B) aware that new developments in agricultural production can result in millions of dollars in additional revenue, (C)switching to newer, (D)more efficient technologies.(E) No error

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　謎底：C

　　【剖析】

　　The error in this sentence occurs at (C). The participle “switching” cannot function as the main verb of the sentence and should be replaced by the present tense verb phrase “are switching.”