来源：BBC英语教学
原标题：英语中原形单词的演变和运用
原形单词
英语里许多单词稍有变化就能改变其词性，构成一个新词。比如 ：动词“decide 做决定” 可以变成名词“decision 决定” 。这些构词方式的规律你掌握了吗？
1. Which word is correct in the following sentence？
I use a dictionary to look up the _________ of new words.
a） definitions
b） define
c） defined
d） undefined
2 Which word is correct in the following sentence？
My parents always valued the importance of a good _________.
a） educated
b） educational
c） education
d） educate
3 Which word is correct in the following sentence？
At this time of year the government sends _________ to check the levels of quality in the local schools.
a） inspections
b） inspectors
c） inspects
d） inspected
4 Which word is correct in the following sentence？
I think that Alice in Wonderland is the most _________ book I have ever read.
a） imaginative
b） imagine
c） imagination
d） imaginary
5 Which word is correct in the following sentence？
Her presentation was very _________ and her boss was delighted with it.
a） impressive
b） impress
c） impression
d） unimpressive
6. Which word is correct in the following sentence？
My favourite _________ of classical music is Beethoven.
a） composition
b） composed
c） composer
d） compost
答案
1） a， 2） c， 3） b， 4） a， 5） a， 6） c.
