Question

英语问题，做错的题目，希望讲解下！谢谢！

23. This student was expelled from school because he had forged some documents for overseas
study. C
A. frustrated B. formulated C. fabricated D. facilitated
25.A man of resolve will not retreat easily from setbacks or significant challenges. A
A. pull out B. pull up C. pull in D. pull over
27. The U.S. athletes topped the gold medal tally for the 3rd straight time this summer. D
A. direct B. proceeding C. vertical D. successive
30. The manager is seeking some cost-effective methods that can call forth their initiative. C
A. efficient B. conventional C. economical D. unique
31.A risk or effect may diminish , but it may also increase for some reason. B
A. at will B. over time C. under way D. so far

Answer 1

是同义词互换吧？
23.forged，伪造，捏造，同C，fabricated
24.retreat,撤退，撤出，同A
27.tally，等同于D，连续的，美国运动员这个夏天连续3次排在金牌榜第一
30.cost-effective,经济有效的，等于C
31.over time,随着时间的流逝，整句的意思是，随着时间流逝，冒险或者效果可能会消逝，但也可能由于某种原因增长