小测验 — 英语前缀

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。 7{e 4c  
1. When she was younger, she was very _______ responsible. ="1Ind@w!  
a) il- GfxZ'VIn  
b) ir- ~RW+GTe  
c) im- |B?m,U$A!  
d) de- APn
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2. Yu Yan has travelled the world on her own. She’s highly _______ dependent. m)ky*"(  
a) il- u:6Ic)7'  
b) im- 59LZv-l  
c) un- )al]*[lY  
d) in- -]N x,{  
3. In countries all over the world, it is _______ legal to buy alcohol under the age of 18. 9tU]`f  
a) il- ''A_[J `>  
b) un- 2@n{yYwy  
c) dis- [`#CXq'  
d) de- O%WIf__Q  
4. Mika’s boss is so _______ patient. He wants everything done immediately. #`qx<y*S  
a) in- dc+>m,3$  
b) il- !fV+z%:  
c) im- Fd%#78UEo}  
d) dis- #5Qpu  
5. Eating my cheese without asking is so _______ honest. |PvPAPy)uu  
a) un- vONasD9At  
b) dis- a5dLQxb  
c) de- -P(efYk  
d) in- jnkR}wAA  
6. She’s so clever. That card trick she did was _______ believable! !hA-_  
a) un- 6+#Ydii9E  
b) dis- =m]v8`g  
c) im- 2prU  
d) in- -V*R\,>  
7. When will this situation ever end? The discussions can’t continue _______ definitely. GL>O4S<`  
a) un- afCW(zHp  
b) dis- /H[=5  
c) im- Hck]aKI+  
d) in- G*?8MTP8![  
8. Will scientists ever _______ code the human genome? |%BOZT  
a) dis- 70yFaW  
b) un- fF!Yp iI"  
c) de- h/QXPdV  
d) in- !4ocZmj\  
答案 wm+};L&_  
1) b, 2) d, 3) a, 4) c, 5) b, 6) a, 7) d, 8) c. q\9JgD)