2012年公共英语三级考试词汇与语法练习（3）

会计考友

1. In ancient China， people used to send smoke _____ to warn that the enemy were coming.
- ]& T; [+ J7 w8 ^  o/ SA. signs B. signals C. symbols D. marks
答案： B
3 }2 _% l! e1 y" w# U1 j解析： 这个题考四个名词的比较， 其中： signs 迹象; signals 信号; symbols 象征; marks 分数。
2. The icy conditions made our travel dangerous. So _____ going by car we took the underground.
! Q9 Z7 s, v3 b  gA. instead of B. in addition to
C. as well as D. at the cost of
答案： A 中华考试网
* m8 l1 E. o$ G9 T; U解析： instead of 代替，而不是; in addition to 除了…之外(还有); as well as 也(除…之外)， 既…又…; at the cost of 以…为代价。 这道题横线后面是动名词形式，所以选项C和D首先排除。
3. Sometimes my job is boring， but _____ I enjoy it.
7 u. A; {9 O3 c, k6 J0 M) @6 F+ aA. by contrast B. by nature
* e* L5 w0 ~1 \8 B7 ]C. on the whole D. on the average
0 [/ u' Z8 Q' r" z) H' p& E答案： C
解析： by contrast 与…相比，后面要跟with， by contrast with与…相比较; by nature 本性，生性; on the whole 总的来说; on the average 平均。
0 K1 f; g8 G, L4. I’ll buy the clock _____ it costs.
# D8 H7 Z) V% gA. what B. whatever C. where D. however
答案： B 中华考试网
解析： 不管花多少钱，我都买下这个钟。
5. _____ Mr.Wilson is well again， he can travel.
A. Now that B. So far C. Though D. Even if
7 o8 \& {0 t$ j/ R; p答案： A
解析： Now that 既然; So far和现在完成时态连用.