高考必会词详解精练 (5)3

词形变化]
去t加-ce变名词excellence：优秀，出众。如：
Beckham is known for his excellence in soccer.
贝克汉姆因他出众的足球球技而闻名。
exist
vi. 存在；生存；生活。如：
The Zhou Dynasty existed over eight centuries.
周朝存在了8个多世纪。
Some old customs still exist in rural areas.
在农村地区，一些旧的风俗习惯依然存在。
One cannot exist without water or food.
人如果没有水和食物就不能生存。
[身临其境]
2000年高考阅读理解第70题：
The biggest advantage of this new system is that _______.
A. it reduces the cost of recycling
B. it saves time and space