16. calculate[5kAlkjJleIt] vt.1. 计算：Has he calculated the result? 他算出结果了吗? 2. 估计：I calculate you’ll get there in time. 我估计你们赶到那里是来得及的。3. 计划，安排：The room is not calculated for such use. 这房间不是打算做这种用途的。
17. candidate[5kAndIdeIt] n.1. [C]候选人：He is a probable candidate. 他是有希望的候选人。2. [C]投考者：Each candidate must answer all the questions without exception. 每个考生都必须回答全部问题，没有例外。
18. champion[5tFAmpIEn] n. [C]冠军，优胜者：We were astonished to hear that their football team had won the champion. 听说他们的足球队获得了冠军，这真叫人意想不到。
19. concentrate[5kCnsntreIt] v.1.集中注意力，专注：I can’t concentrate with all that noise going on.如此吵闹，我无法集中注意力。2.把…集中，集结，聚集：The population is concentrated along the river bank. 人口集中在沿河两岸。3.浓缩
20. conflict[5kCnflIkt] n.[C,U]1.冲突，抵触，争端：I try to avoid conflict wherever possible. 我尽可能避免争执。2.矛盾，冲突：There is a conflict between the two sides of his personality. 他的性格中存在着相互矛盾的两个方面。[k[n5flIkt] vi.冲突，抵触：Their views often conflict. 他们的观点经常互相抵触。
21. constant[5kRnstEnt] adj. 1.不变的;固定的：at a constant speed 以恒速2.经常发生的，连续不断的：Constant dropping wears away a stone. (谚)滴水穿石。[只要功夫深，铁杵磨成针。]
22. creature[5kri:tF[] n.[C]1.(不含植物的)生物，动物：The monkey is a clever creature. 猴子是一种聪明的动物。2.(尤指赋予同情色彩的词语)人：The poor creature has suffered a lot these years. 这几年来，那个可怜的人受苦不少。
23. debate[dI5beIt] n.1. [C]讨论会，辩论会：hold a debate on a subject 就某一题目举行一次讨论会 2.[C,U]讨论，辩论：There’s been a lot of debate about the cause of acid rain. 已经有很多人讨论过酸雨的成因。v.讨论，辩论：The subject was hotly debated. 这个话题曾热烈讨论过。
24. decorate[5dekEreIt] vt.装饰，美化;点缀：The room has been decorated with balloons. 这间屋子已经用气球装饰起来。
25. decrease[dI5kri:s] v.减少，减小，降低：The price of meat has decreased by 20%. 肉的价格降低了百分之二十。n.[C,U]1.减少，减弱，减轻，降低：The decrease in the price of industrial products makes people pleased. 工业产品价格的降低使人们感到很高兴。2.减少之量，减少额：There has been a decrease of about 10 percent in the number of violent crime this year. 今年暴力犯罪的数量大约下降了百分之十。■on the decrease 在减少
【用法】decrease后接介词by + n.表示“所降低的幅度”，decrease后接to + n.表示“所降到的程度”
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