在很多英語單字的詞根前加上前綴 「prefixes」，則能使之變為具有全新意思的新詞。常見的英語前綴有 「in-、un-、de-、dis-」 等。比如，在單字 「certain 確定的」 前面加上前綴 「un-」，組成形容詞 「uncertain」，詞義也隨之變成了 「不確定的」。英語中還有哪些常用前綴？它們的用法分別是什麼？考一考自己對前綴的理解，做下面的八道測驗題。
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.
