在很多英語(yǔ)單詞的詞根前加上前綴 “prefixes”,則能使之變?yōu)榫哂腥乱馑嫉男略~。常見(jiàn)的英語(yǔ)前綴有 “in-、un-、de-、dis-” 等。比如,在單詞 “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(yǔ)中還有哪些常用前綴?它們的用法分別是什么?考一考自己對(duì)前綴的理解,做下面的八道測(cè)驗(yàn)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-
1) b, 2) d, 3) a, 4) c, 5) b, 6) a, 7) d, 8) c.