2012年公共英语五级词汇巩固练习十七

会计考友

21. When carbon is added to iron in proper ________ the result is steel.
  P0 {/ S( E9 w, h. g$ _A) rates B) thicknesses C) proportions D) densities
8 n4 c7 `; d7 A  j22. You should try to ________ your ambition and be more realistic.
A) reserve B) restrain C) retain D) replace
, A6 t, d) d2 u. [23. Nancy is only a sort of ________ of her husband‘s opinion and has no ideas of her own. A) sample B) reproduction C) shadow D) echo
24. Now that spring is here， you can _____ these fur coats till you need them again next winter.
A) put over B) put away C) put off D) put down
25. There is a ________ of impatience in the tone of his voice.
- m, ~; F# Z1 Y* C, X4 {A) hint B) notion C) dot D) phrase

21-25 CBDBA