2019年mpa考试英语真题——介词和介词短语2450

{01}What he said that day was deeply impressed _______ my memory. A.by B.with C.at D.on 解析：句意：他那天说的话深深地印在我的脑海里。be impressed on one"s mind / memory被印在脑海里; 留下很深的印象，故D项符合。
本题选D。
{02}___ the help of his teacher, he has passed the English exam. A.Under B.In C.Below D.With 解析：with the help of 意为：在…的帮助下.是固定搭配.
本题选D。
{03}Costs have been reduced ___20% over past year. A.in B.on C.to D.by 解析：考查介词与reduce的搭配。by为减少了多少；to减少到多少；按照句意：过去的一年，各项费用已经减少了20%可知答案。
本题选D。