Unit 2 重点单词变形，词组，短语，句型练习(知识点全覆盖)重点单词变形1．participate vi.参与，参加→participation n．参加，参与→participant n．参与者2．compete vi.参加比赛；竞争→competition n．竞争；比赛→competitive adj.竞争的；有竞争性的→competitor n．竞争者3．racial adj.种族的；种族间的→race n．种族；比赛4．diverse adj.多种多样的；不同的→diversity n．多样性；多种多样5．motivate vt.激励，激发；成为……的动机，是……的原因→motivation n．动机6．demonstrate vt.表现，表露；证实，证明；示范，演示 vi.游行示威→demonstration n．表现，表达；证实，证明；示范，演示；游行示威7．applaud vt.& vi.称赞，赞许；鼓掌→applause n．鼓掌8．election n．选举，推选；当选→elect vt.选择；选举某人9．faith n．信任；信心；信念；宗教信仰→ faithful adj.忠实的；守信的→faithfully adv.忠实地10．ambition n．追求的目标，夙愿；雄心，野心，壮志→ambitious adj.有雄心的，有野心的11．gradually adv.逐渐地，逐步地→gradual adj.逐渐的，逐步的12．limit n．限度，限制；限额，限量；界限 vt.限制，限定；限量，减量→limited adj.有限的→limitless adj.无限的 →limitation n．范围；限制13．opponent n．对手，竞争者；反对者→opposing adj.对抗的；相反的→opposed adj.强烈反对的；截然不同的14．unselfish adj.无私的，忘我的→selfish adj.自私的 →selfless adj.无私的→selfishness n．自私自利→selflessness n．无私，忘我 15．complain vi.& vt.抱怨，投诉→complaint n．不满；抱怨；埋怨；投诉16．unintentionally adv.无意地，非故意地→intention n．打算；计划；意图；目的→intentional adj.故意的；有意的；存心的→intentionally adv.故意地，有意地17．cruel adj.刻毒伤人的，残酷的→cruelty n．残忍；残酷→cruelly adv.残酷地；残忍地一、用单词的适当形式完成句子1．Because of my ________(limit)English, I’m afraid I can’t make myself understood. 2．The rich woman with great __________ had an ____________plan to build a school in the poor village when she was young.(ambition)3．The children ________(gradual) began to accept her as one of the family.4．Don’t waste time ________ (complain) about it; you’ll just get into a lot of trouble. 5．The ________ (compete) is open to young people under the age of 18. 6．I have a friend who had the _________ (oppose) view and felt that the war was immoral. 7．There’s a limit _________ how much I’m prepared to spend. 8．Everything he writes _________ (demonstrate) the depth of his sensibility. 9．There is now intense _________ (compete) between schools to attract students. 10．How many candidates are standing for _________ (elect)? 11．It takes me considerable courage ________(participate) in the fierce contest to enhance my spoken ability. 12．He lost the ________ (elect) by one vote. 13．There is no point in ________(complain) about it all day. 14．His dream was that the Olympics would help people of different________(race) origins and from different cultures live side by side in peace. 15．With each space mission comes greater insight, thus________(motivate) us to continue along the same path of adventure. 16．I will devote my _____________ life to the _____________ job of serving the people. （limit）17．It is impossible to tell who will win the next ____________(elect). 18．Everyone will get annoyed when they are hurt ________ (intentional). 19．At the meeting yesterday, all the members present ________ (oppose) the plan bitterly. 20．After seeing the film, I know why King Lear was treated so ________ (cruel) by his daughters.21．________ (oppose) sides on the committee are refusing to compromise. So it’s hard to reach an agreement. 22．We received a number of ________ (complain) from customers about the lack of parking facilities. 23．Most of the local residents opposed ________ (close) the school. 24．The farmer was accused of ________ (cruel) to animals. 25．I have every ________ (intend) of paying her back what I owe her. 26．Many couples often, a though ________ (unintentional), end up hurting each other’s feelings deeply. 27．It’s extremely cruel ________ live animals to perform an experiment on them. 28．Don’t be afraid to set limits ________ the amount of time spent in front of the computer or the TV. 29．Leading __________ (opponent) of the proposed cuts in defence spending will meet later today. 30．When you see that your kids are __________ (selfish), you’re very happy with that. 31．Attracted by the beauty of the piano music, the audience almost forgot ________ (applaud) when the pianist finally finished it. 32．It was several minutes before the ________ (applaud) died down. 33．They expected him ________ (participate) in the ceremony. 34．After great efforts, he was able to give the public a ________ (demonstrate) of the connection between the two sets of figures. 35．Her ________ (motivate) for writing was a desire for women to get the right to higher education. 36．The government has announced an ________ (ambition) plan to modernize the railway network. 37．In the long jump, ________ (compete) try to jump as far forward as possible. 38．Albert Jones’ new style will inevitably put him in touch with a much ________ (diverse) and perhaps younger audience. 39．Every country should encourage and try their best to protect species ________ (diverse). 40．A player in the ________ (oppose) team scored an own goal, which made our team climb to fourth in the league. 二、根据汉语意思填写单词41．They were travelling at a speed that was double the legal________(限制).42．I tried to comfort him after he was defeated by his ________(对手). 43．The audience。
