词性转换一直以来都是高考英语语法填空的必考点。这一考点涉及到构词法，尤其是词的派生。
今天小编将近五年高考题中语法填空题涉及的词性转换题整理出来，再对高考的词性转换进行分类总结，最后就派生词的前缀和后缀进行分类讲解，希望可以为同学们解答这一类题型助力。 
一、近五年高考语法填空词性转换总结

▲ 2019 年
2019 全国 I 卷
accessible反义词前缀It is difficult to figure out a global population of polar bears as much of the range has been    62    (poor) studied.
In recent years some Inuit people in Nunavut have reported increases in bear sightings around human settlements, leading to a   66   (believe) that populations are increasing. 
2019 全国 II 卷
Her years of hard work have    63    (final) been acknowledged after a customer nominated (提名) her to be Cheshire’s Woman Of The Year.

We are so proud of her. It’s    70    (wonder). 
2019 全国 III 卷
When they were free from work, they invited us to local events and let us know of an interesting    66    (compete) to watch, together with the story behind it. They also shared with us many    67    (tradition) stories about Hawaii that were   68    (huge) popular with tourists.
 
2019 浙江
When the children are walking or cycling to school on dark mornings, car drivers can     60 
 (easy) see them.

Other American studies showed no    64    (connect) between uniforms and school performance.
School uniforms are    65    (tradition) in Britain, but some schools are starting to get rid of them. 
2019 北京
Students should have a proper attitude towards college before thinking about which college to attend, and it’s never too early to make necessary preparations for a healthy and    10    (meaning) college experience. ▲ 2018 年
2018 全国 I 卷
To avoid knee pain, you can run on soft surfaces, do exercises to     68     (strength) your leg muscles (肌肉), avoid hills and get good running shoes. Running is cheap, easy and it’s
always   69     (energy).
 
2018 全国 II 卷
A taste for meat is   63   (actual) behind the change: An important part of its corn is used to feed chickens, pigs, and cattle.

This switch has decreased   66   (pollute) in the country’s major lakes and reservoirs and made drinking water safer for people.
According to the World Bank, China accounts for about 30 percent of total   67   (globe) fertilizer consumption. 
2018 全国 III 卷
My name is Mireya Mayor. I’m a    66    (science) who studies animals such as apes and monkeys.
 
2018 浙江卷
The obvious one is money; eating out once or twice a week may be    62    (afford) but doing this most days adds up.
Researchers have found that there is a direct link between the increase in food eaten outside the home and the rise in    64    (weigh) problems. ▲ 2017 年
2017 全国 I 卷
Having enough fat and salt in your meals will reduce the urge to snack (吃点心) between meals and will improve the taste of your food. However, be     69    (care) not to go to extremes.
 
2017 全国 II 卷
Steam engines were used to pull the carriages and it must have been     66    (fair) unpleasant for the passengers, with all the smoke and noise.


This development was only possible with the    69     (introduce) of electric-powered engines and lifts. The central London Railway was one of the most    70    (success) of these new lines, and was opened in 1900. 

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