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1、考前給力考前給力20天天考前第考前第12天天記一記記一記單詞識(shí)記單詞識(shí)記complex 復(fù)雜的復(fù)雜的comprehension 理解；領(lǐng)會(huì)理解；領(lǐng)會(huì)compromise 妥協(xié)妥協(xié)concentrate 集中集中concept 概念概念Talks are continuing in the hope that the two sides will reach a compromise.為了雙方能達(dá)成妥協(xié)，談判在繼續(xù)進(jìn)行。為了雙方能達(dá)成妥協(xié)，談判在繼續(xù)進(jìn)行。concern 與與有關(guān)；關(guān)心有關(guān)；關(guān)心conclude 得出結(jié)論得出結(jié)論concrete 具體的；混凝土具體的；混凝土condition 狀

2、況；環(huán)境狀況；環(huán)境condemn 責(zé)難；判刑責(zé)難；判刑I conclude from his remarks that he is in favour of the suggestion.我從他的話中推斷出他贊成這項(xiàng)建議。我從他的話中推斷出他贊成這項(xiàng)建議。conduct 實(shí)施；指揮實(shí)施；指揮confident 有信心的有信心的confirm 證實(shí)證實(shí)conflict 沖突；斗爭沖突；斗爭congratulate 祝賀祝賀This article confirms what many experts have been saying for years.這篇文章證實(shí)了許多專家多年來所持的觀點(diǎn)。這

3、篇文章證實(shí)了許多專家多年來所持的觀點(diǎn)。短語有約短語有約1go構(gòu)成的常用短語構(gòu)成的常用短語go along 繼續(xù)，進(jìn)展繼續(xù)，進(jìn)展go down 下降，下沉下降，下沉go on 繼續(xù)下去，持續(xù)繼續(xù)下去，持續(xù)go out 熄滅，發(fā)出熄滅，發(fā)出go over 仔細(xì)檢查仔細(xì)檢查(或?qū)彶椤⒉殚喕驅(qū)彶?、查?go in for 對(duì)某事物有興趣對(duì)某事物有興趣go through 經(jīng)歷，遭受，仔細(xì)查看經(jīng)歷，遭受，仔細(xì)查看I always start the day by going through my email.我每天第一件事要查看電子郵件。我每天第一件事要查看電子郵件。2now that 既然既然as l

4、ong as 只要只要if only 要是要是就好了就好了even if 即使即使Now that you are grown up，you should not depend on parents.既然你已經(jīng)長大了，你不應(yīng)該依靠父母了。既然你已經(jīng)長大了，你不應(yīng)該依靠父母了。佳句誦讀佳句誦讀過去分詞作狀語過去分詞作狀語Faced with such great difficulty，Jack felt at a loss what to do.面對(duì)這么巨大的困難，面對(duì)這么巨大的困難，Jack感覺不知做什么。感覺不知做什么。Dressed in a white uniform，he looks

5、more like a cook than a doctor.穿著白色制服，與其說他看上去像一位醫(yī)生倒穿著白色制服，與其說他看上去像一位醫(yī)生倒不如說他是一位廚師。不如說他是一位廚師。Lost in the mountain for a week，the two students were finally saved by the police.在山上迷失方向一周，這兩位學(xué)生最終被警方在山上迷失方向一周，這兩位學(xué)生最終被警方獲救。獲救。練一練練一練(2011年東北三校第一次聯(lián)考年東北三校第一次聯(lián)考) If you and your friends wish to share a secret,

6、you can write it in code, and no one else will be able to read it. Codes are one way of writing in secret. Ciphers (暗碼暗碼) are another. In a code each word is written as a secret code word or a code number. In a cipher each letter is changed.Codes and ciphers have played an important role in the hist

7、ory of the world.Julius Caesar, the Roman ruler who defeated almost all the countries in Europe about 2,000 years ago, used a cipher when he sent secret messages to his troops. During the American Revolution, George Washingtons spies used a kind of code to send him information about the enemy before

8、 his military action, In World War ， the Americans “broke ” or figured out Japans most important navy codes and got enough information to destroy a powerful Japanese fleet.Storekeepers use codes to mark their goods. The codes show how much is paid for the goods or when they are added to the stock. B

9、usinessmen use codes to hide plans from their business enemies. Sometimes personal letters or diaries are written in code. Many people enjoy figuring out codes and ciphers simply as a hobby.In the 16th century, codes and ciphers were very popular among scientists. They wrote messages to each other i

10、n code so that no one else would learn their secrets. Geronimo Gardano, an Italian astrologer (占星家占星家), mathematician, and doctor, invented the trellis cipher. He took two sheets of paper and cut exactly the same holes in each one. Then he sent one sheet, which he called a trellis, to a friend and k

11、ept the other for him self. Whenever he wanted to write a message, he put his trellis over a clean sheet of paper and wrote the secret message through the holes. There he removed the trellis and filled the rest of the paper with words that would make sense. When his friend received it, he put his tr

12、ellis over the writing and read the secret message.【解題導(dǎo)語解題導(dǎo)語】密碼和暗碼有效地保護(hù)著秘密，密碼和暗碼有效地保護(hù)著秘密，無論是在戰(zhàn)火紛飛的前線，還是在沒有硝煙的無論是在戰(zhàn)火紛飛的前線，還是在沒有硝煙的商場，它們的作用都功不可沒。有人甚至把它商場，它們的作用都功不可沒。有人甚至把它當(dāng)做個(gè)人愛好，其樂無窮。當(dāng)做個(gè)人愛好，其樂無窮。1. The best title of this passage would be_.ACodes and ciphersBDifferences between codes and ciphersCHistor

13、y of codes and ciphersDInventors of codes and ciphers解析：選解析：選A。主旨大意題。文章第一段點(diǎn)明了本。主旨大意題。文章第一段點(diǎn)明了本文的中心話題，密碼和暗碼是有效保護(hù)秘密的文的中心話題，密碼和暗碼是有效保護(hù)秘密的兩種方式，所以兩種方式，所以A項(xiàng)最能概括文章大意。項(xiàng)最能概括文章大意。2. Which of the following statements is TRUE?ACiphers can be broken or figured out more easily than codes.BYou could read some word

14、s in Geronimos letter without his trellis.CThe first person who ever used a cipher in history was Julius Caesar.DFondness of using codes was the hobby of the scientists in the 1600s.解析：選解析：選B。正誤判斷題。最后一段倒數(shù)第二句。正誤判斷題。最后一段倒數(shù)第二句提到提到Geronimo拿掉框架，然后在紙張的空白部拿掉框架，然后在紙張的空白部分填滿有意義的內(nèi)容，由此可推斷沒有框架也分填滿有意義的內(nèi)容，由此可推斷沒有

15、框架也可以讀他的信件?？梢宰x他的信件。3. According to Geronimo Gardano, a trellis is_.Aa piece of paper with many small holesBa secret message with a lot of small holesCa letter with unreadable words and sentencesDa sheet of paper with groups of Arabic figures解析：選解析：選A。推理判斷題。最后一段的第四五兩。推理判斷題。最后一段的第四五兩句提到他將兩張紙剪成同樣的框架，然后

16、把其句提到他將兩張紙剪成同樣的框架，然后把其中一張寄給他朋友，這樣對(duì)方就可以利用這張中一張寄給他朋友，這樣對(duì)方就可以利用這張框架來套讀信件的內(nèi)容，由此可推斷框架來套讀信件的內(nèi)容，由此可推斷A項(xiàng)正確。項(xiàng)正確。4. It is NOT mentioned in the passage that codes and ciphers are used for the purpose of_.Amilitary affairsBcommercial secretsCscientific achievements Dpersonal enjoyment解析：選解析：選C。細(xì)節(jié)理解題。第二段提到了密碼和。細(xì)節(jié)理解題。第二段提到了密碼和暗碼的軍事作用，第三段提到了其在保護(hù)商業(yè)暗碼的軍事作用，第三段提到了其在保護(hù)商業(yè)秘密和作為個(gè)人愛好的作用，文章中沒有提到秘密和作為個(gè)人愛好的作用，文章中沒有提到其在科學(xué)成就方面的作用。其在科學(xué)成就方面的作用。本部分內(nèi)容講解結(jié)束本部分內(nèi)容講解結(jié)束按按ESC鍵退出全屏播放鍵退出全屏播放