11. random adj. 胡亂的，任意的，隨意的　　　n. 無目的或目標

　　The way the books were arranged seemed completely random.(圖書排列的方式似乎很隨意。)

　　This is just a random selection of all the complaints we have received about our after service.

　　(我們只是對所收到的有關售后服務方面的投訴隨意地選擇了一下。)

　　He opened the books at random.(他胡亂地打開了書。)

　　When his wife was away， he piled the soiled dishes in the kitchen at random.(他妻子外出時，他把臟碟子亂七八糟地堆在廚房里。)

　　12. categorize v. 分類

　　category n. 種類;范疇;部門

　　If you categorize the information you need to remember， you will find it much easier.(如果你把所需記憶的信息分類，你就會覺得記憶起來要容易得多。)

　　They categorized 200 songs as folk songs.(他們把兩百首歌歸為民歌類歌曲。)

　　These books fall into the category of reference books.(這些書屬參考書類。)

　　His research does not belong to the category of natural science.(他的研究不屬于自然科學范疇。)

　　13. following adj. 接著的，下述的　　prep. 在…之后

　　the following 如下

　　He promised the old man that he would come and see him again the following day.(他答應老人第二天再來看他。)

　　After the meeting the following teachers will stay.(會后，以下的老師請留下。)

　　The following examples will prove my point.(下面的例子將證實我的觀點。)

　　Following the discussion a decision was made.(討論之后便做出了決定。)

　　Following the concert he went home.(音樂會后，他就回了家。)

　　The following are worthy of your attention.(以下幾點值得你們注意。)

　　The winners of the competition are the following： …(競賽獲勝者如下：…)

　　14. needless adj. 不需要的，不必要的

　　Needless to say， I don't think much of the proposal he put forward at the meeting.(不用說，我覺得他在會上提的建議不怎么樣。)

　　You don't have to take such a needless risk.(你不用去冒這種不必要的險。)

　　Don't you think it is a waste of time to give him so much needless are?(你不覺得給他這么多不必要的關心是浪費時間嗎?)

　　15. refer v. ( to ) 提到，涉及;參考，查閱;把…歸到…上;使向…請教;有關聯

　　reference n. 參考;提及;關聯

　　The whole thing is finished now， please don't refer to it.(整個事情都結束了，不要再提了。)

　　He often refers to a dictionary for the spelling and meaning of a word.(他常常翻詞典查閱詞的拼寫和意思。)

　　He referred to her former classmates for her character.(他向她以前的同學詢問她的品行。)

　　He referred his defeat to poor health.(他把自己的失敗歸因于身體不好。)

　　She referred me to Prof. Wang for detailed information.(他叫我去王教授那兒詢問詳情。)

　　The doctor referred her to a heart specialist.(醫(yī)生囑咐她轉診于一位心臟病專家。)

　　These answers are for reference only.(這些答案僅供參考。)

　　His play is full of references to the political events of those days.(他的劇本涉及當時的許多政治事件。)

　　16. relate v. ( to ) 有關聯;敘述，講述

　　related adj. 有關的，相關的

　　relation n. 關系，聯系

　　He related the story vividly to the whole class.(他向全班同學生動地講述了那個故事。)

　　I don't understand how the result related to / with the cause.(我不理解結果和原因如何關聯。)

　　If you want me to do this， you have to give me all the related material.(如果你想讓我做這件事，你得把所有相關的材料給我。)

　　Don't worry too much about them， they have very good relations.(別太為他們擔心，他們的關系很好。)

　　The two countries have established trade relations.(兩國建立了貿易關系。)

　　17. accurately adv. 準確地，精確地

　　accurate adj. 準確的，精確的

　　accuracy n. 準確，精確

　　Remember that you have to do this work carefully and accurately.(記住，這項工作得做得細心而準確。)

　　Right now I cannot give you a very accurate estimate.(現在我不能給你一個非常準確的估計。)

　　He required that the typing should be done with great accuracy.(他要求打字必須十分準確。)

　　18. memorize v. 熟記，記住

　　Our English teacher asked us to memorize the words we learned today.(我們英語老師要求我們熟記今天所學的英語單詞。)

　　It is no easy thing for me to memorize all these telephone numbers.(熟記這些電話號碼對我來說真不是一件容易的事情。)

　　19. repeat v. 重復 repetition n. 重復

　　I didn't quite catch what you said just now. Will you please repeat it?(我沒有聽清你剛才說的話，請你重復一遍，好嗎?)

　　We cannot repeat our mistakes.(我們不能重復自己的錯誤。)

　　Repetition is necessary in language teaching and learning.(重復在語言教學中是必要的。)

　　He memorized his lines after many repetitions.(經過多次重復他終于熟記了臺詞。)

　　20. preserve v. 保護，維持;保存

　　You will soon be near-sighted if you don't preserve your eyesight from now.(如果你不從現在起保護視力，你很快會近視的。)

　　What do you think the United Nations can do in preserving world peace?(你覺得聯合國能為維護世界和平做些什么?)

　　Deep freezing is the simplest way of preserving food.(深凍是保藏食品最簡便的方法。)

　　詞綴法

　　1. 名詞后綴 -ation; tion; sion

　　organization，visualization，information，preservation，integration，

　　relation，association，repetition，separation，addition

　　2. 動詞后綴 -ize

　　organize，memorize，visualize，categorize，familiarize

　　3. 名詞后綴 -ence

　　reference，difference

　　4. 名詞后綴 -ity

　　similarity，familairity

　　本課簡介

　　本課介紹了在如何增強記憶方面心理學所做的研究。信息的意義，組織，聯想和想像是有助于記憶的幾個基本原則。如何運用這些基本原則呢?課文對此一一作了介紹，條理十分清楚。學了本課，相信會有收獲。

　　本課語言點

　　1. Psychological research has focused on a number of basic principles that helps memory.

　　research 在本句中做名詞，這個詞也可以做動詞用。請看下面的例句，注意research的詞類和用法：

　　1) An excellent piece of research won him the international prize.(一項出色的研究使他獲得了國際大獎。)

　　2) Research shows that the potential of man's brain is limitless.(研究表明人腦的潛力是無限的。)

　　3) Much research has been done on / into diseases of blood.(在血液病方面人們做了很多的研究。)

　　4) Scientists have been researching on / into the causes of brain damage.(科學家們一直對腦損傷的起因進行研究。)

　　5) They felt very much disappointed as they had been researching for three years but with no result.(做了三年的研究而沒有任何結果，他們感到很失望。)

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