高考必会词详解精练 (12)4

. Having suffered B. Suffering
C. To suffer D. Suffered
已经受到了如此严重的污染，现在再来把河水澄清恐怕为时已晚。
（答案是A。这里suffer是及物动词。）
supply
vt. 补给；供给；提供。如：
The factory often supplies the market with new products.
这家工厂经常向市场供应新产品。（supply sb. with sth.：给某人提供某物）
Trees supply shade in hot summer.
在炎热的夏季树木能够提供阴凉。
n. 供给；供应品。如：
Does the supermarket have enough supply of goods?
超市有足够的商品供给吗？
Milk products are in short supply these days.
这些天来乳制品有些供应不足。（in short supply：供应不足）
[身临其境]
2001年高考阅读理解第58题：
Shanghai’s car rental industry is growing so fast mainly due to ______.