(2013·高考新课标全国卷Ⅰ)It was a real race time to get the project done.Luckily，we made it.
A. over
B. by
C. for
D. against
网友回答
A. over
B. by
C. for
(答案→)D. against
解析：选D。本题考查介词的意义。句意：这真是一个需要争分夺秒才能完成的项目。幸运的是，我们圆满地完成了。四个选项中的介词只有D项的against与time构成“against time”才意为“争分夺秒”，其他介词用在此处都不符合句意。故答案选D项。