英文的一个明显特点即是一词往往有多种词性和多种含义，这似乎是件好事，毕竟我们记了一个词往往可以在不同情况中使用；然而，对于多数考生（尤其是一些基础不算扎实的童鞋）已然成为阅读中的障碍，甚至在查阅单词后依然难以分辨“此处”作何解释。
要紧的是我们的正确理解要基于：了解词性和对应含义，结合语法分辨语境。
下面，我们就结合例子认识下那些令人“为难”的一词多义。
turnover
1) High employeeturnover has been a recurring problem throughout the hospitality industry.
2) The company’s turnover is somewhere around $ 70.7million.
pedestrian
1) New pedestrian pathways are being built alongside the road.
2) A place of pedestrian style of architecture won’t appeal to tourists.
3) If you recognize yourself in this description, you might include a couple of heady growth stocks in your portfolio, alongside your morepedestrianinvestments. (investor’s chronicle, March 23, 1990)
power
1) Cooley suggested that a sense of the self-as-subject was primarily concerned with being able to exercise power. He proposed that the earliest examples of this are an infant’s attempts to control physical objects, such as toys or his or her limbs.
2) Whereas most exercises are designed to build up strength or endurance, plyometrics focuses on increasing power— the rate at which an athlete can expend energy.
3) The technique survives to this day at a test site in Florida run by the University of Florida, with support from the Electrical Power Research Institute (EPRI), based in California. EPRI, which is funded by power companies, is looking at ways to protect the United State’s power grid from lighting strikes.
reason
1）A major reason for improving ventilation in 19-century hospitals was the demand from the public for protection against bad air.
2) Once the age of reason is reached, a child can be rewarded for good behavior and discouraged from bad.
freight
1) The vast expansion in international trade owes much to a revolution in the business of moving freight.
2) Computer manufacturers in Japan or Texas will not face hugely biggerfreightbills if they import drives from Singapore rather than purchasing them on the domestic market.
以上是一些我们常会遇到的词在同一词性下有不同含义，接下来我们再看词性丰富的动词又是怎样影响我们的。
effect
1）The knock-on effect of this scrutiny has been to make the governance of companies in general an issue of intense public debate and has significantly increased the pressure on directors.
2) If correctly administered, such drugs can effectradical cures.
fare
1) The research suggests that older people fare best when they feel independent but know they can get help when they need it.
2) They were tired of the fare at restaurants catering to tourists and craving for something a bit more authentic.
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