【高中英语单词本书词汇】高中英语单词词汇-第21期

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compete vi. 比赛，竞赛
[特征]
compete指为了达到某个目的与另一个或其他人“竞争”，仅仅是为了争得名次、奖品，并不含有将对手征服的意思。
- five children competed in the race.
五个孩子参加了赛跑。
[备考必背]
①重要词组
compete with/against sb. 和某人竞争
- the children compete against each other to reach the other end of the pool.
孩子们竞相抵达池子的另一端。
compete for sth. 为某事而竞争
- in this game the women will compete with the men for the gold medal.
在这场比赛中，女子要和男子争夺金牌。
compete with sb. in ... 和某人在……方面竞争
- will you compete with tom in the swimming race?
你将和汤姆比赛游泳吗？
②派生词：competitor n. 竞争者
- there were 12 competitors in the dash.
有十二名选手参加了此次赛跑。

composition  n. 写作，作文
[特征]
- the students are asked to write a composition on the great wall.
学生们被要求写一篇关于长城的作文。（有关某方面的作文用介词on）
[备考必背] 辨析composition和article
composition指的是学生练习的“作文”，一般都比较短小；article指报刊杂志上所载的论述性的“论文，文章”。

conclude  v. ①推断出，下结论 ②结束，终止
[特征]
- we concluded that he wouldn"t come.
我们断定他不会来了。
- the meeting concluded at nine o"clock.
会议于九点钟结束。
[贴心叮咛]
conclude是高中阶段很重要的单词，我们把它的用法全列在这里，这也是它的全部考点。
[考点]
①conclude作“推断”讲时，表示“从……推断出”，与from连用。
- i conclude from what he said that he was dissatisfied.
从他的言语中我可以推断出他不满意。
②如果用-ing分词表示“结束”的方式，用by引导。
- she concluded her speech by quoting a passage from shakespeare.
她引用了一段莎士比亚的话结束了演讲。
③如果表示“用……结束”，则用with引导。
- i will conclude my article with the sentence.
我将以这句话结束我的文章。

condition  n. 条件，状况，情况
[特征]
- health is a condition of happiness.
健康是幸福的一个条件。
- the professor studied how to improve soil conditions.
这位教授研究如何改良土壤状况。
- he took an active part in the workers" struggle for better pay and better conditions.
[考点]
①在指身体状况良好时，不用in good condition，而要用keep fit and well。
②指生活或工作条件时，用复数conditions。
（误）he is living in a terrible condition.
（正）he is libing in terrible conditions.
他的生活条件很差。
③in good/excellent/bad condition 情况良好/很好/糟糕（condition前不用冠词a/an）
on condition that ... 条件是……，根据……
- you can go swimming on condition that you don"t go too far from the river bank.
你只有在不远离河岸的条件下才可以去游泳。
on this/that/no condition 在这种/那种条件下/无论如何都不
- you must on no condition tell him what has happened.
你无论如何都不能告诉她发生了什么事。

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