上升，增加：(vi.)increase, go up, rise, (vt.) increase, raise (n.) growth, rise, increase.

　　下降，减少/小：(vt.) decrease, reduce, lower (vi.) decrease, fall, drop, go/come down, decline. (n.) fall, decrease, decline, drop

　　知道，了解，意识到：know, be aware/concious of, realize, get information about

　　证实，表明：show, suggest, indicate, make it clear that

　　很大程度上，基本上：greatly, considerably, enormously, significantly, basically

　　提高，变好：improve, make better, enhance

　　采取(措施)：adopt, take

　　提出(政策)：propose, offer

　　废除：eliminate, get rid of, do way with, dispense with

　　提供：provide, offer, give

　　任务：assignment, job, work, task

　　有用，帮助：beneficial, helpful, useful, be a great help to, do good to, bring benefit to, be good for

　　方法：way, approach, strategy, method

　　观点：idea, belief, view, opinion

　　影响：affect(vt.), influence(vt.), have influence/effect/impact on

　　(被)允许：allow, permit, can, may, be free to do

　　恢复，复原：restore, recover, bring back4

　　阻止：prevent, stop, keep (sth/sb from doing sth)

　　花费：spend, take, cost, put in, make effort

　　更多知识，请访问北京托福教育机构