介 词
 介词辨析
1.(2013·新课标卷Ⅰ)It was a real race________time to get the project done.Luckily,we made it.
 A.over                                                               B.by   
C.for                                                                  D.against
解析: 句意为:完成这项工程真的是在与时间赛跑。幸运的是,我们成功了。本题考查介词辨析。over在……上面;by被,由,经由;for支持,赞成;against反对,违背。
答案: D
2.(2013·新课标卷Ⅱ)A serious study of physics is impossible________some knowledge of mathematics.
 A.against                                                       B.before 
C.beyond                                                          D.without
解析: 句意为:没有一定的数学知识,进行严肃的物理学研究是不可能的。本题考查介词辨析。against反对,映衬,靠着;before在……之前;beyond超出;without没有。
答案: D
3.(2013·山东卷)The Smiths are praised________the way they bring up their children.
A.from                                                               B.by 
C.at                                                                    D.for