Question

She's aiming ________ a scholarship. That is why she has been focusing her mind ________ her work.

A．at; on

B．to; on

C．for; in

D．at; into

Answer 1

A

試題分析：考查介詞：第一空填at，be aimed at“旨在”，第二空填on，focus one’s mind on 專注于，句意：她的目的是獎學金，這就是她為什么努力學習的原因。選A。
點評：介詞的考查重在積累。解題技巧:  1）明確詞意  所選答案要符合句子意思；2）歸納比較平時要特別重視收集歸納比較同義詞、近義詞和相似詞的異同，牢記它們的用法。