小测验 — 英语前缀

陈小将

在很多英语单词的词根前加上前缀 “prefixes”，则能使之变为具有全新意思的新词。常见的英语前缀有 “in-、un-、de-、dis-” 等。比如，在单词 “certain 确定的” 前面加上前缀 “un-”，组成形容词 “uncertain”，词义也随之变成了 “不确定的”。英语中还有哪些常用前缀？它们的用法分别是什么？考一考自己对前缀的理解，做下面的八道测验题。
1. When she was younger, she was very _______ responsible.
a) il-
b) ir-
c) im-
d) de-
2. Yu Yan has travelled the world on her own. She’s highly _______ dependent.
a) il-
b) im-
c) un-
d) in-
3. In countries all over the world, it is _______ legal to buy alcohol under the age of 18.
a) il-
b) un-
c) dis-
d) de-
4. Mika’s boss is so _______ patient. He wants everything done immediately.
a) in-
b) il-
c) im-
d) dis-
5. Eating my cheese without asking is so _______ honest.
a) un-
b) dis-
c) de-
d) in-
6. She’s so clever. That card trick she did was _______ believable!
a) un-
b) dis-
c) im-
d) in-
7. When will this situation ever end? The discussions can’t continue _______ definitely.
a) un-
b) dis-
c) im-
d) in-
8. Will scientists ever _______ code the human genome?
a) dis-
b) un-
c) de-
d) in-
答案
1) b, 2) d, 3) a, 4) c, 5) b, 6) a, 7) d, 8) c.