Part B

　　【先睹為快】

　　41. G 42. D 43. E 44. B 45. C

　　【文章大意】

　　地球上曾經(jīng)有過的動物中，有很多我們已無緣再見，只有通過化石我們才能對那些已消失的動物稍有了解。能夠留下化石的動物一般都生活在水邊，例如河、湖、海洋等。在化石中發(fā)現(xiàn)的最早的動物的結(jié)構(gòu)都很簡單，后來出現(xiàn)了結(jié)構(gòu)較復(fù)雜的魚類，它們長有脊椎骨，還有貝類等甲殼動物，再接著就是兩棲動物和爬行動物，再后來是哺乳動物，其中一些比較后期的化石，在原始人的巖畫上我們已經(jīng)可以看到。

　　【答案透析】

　　41. 【答案】 G。

　　前面說人類出現(xiàn)之前很多動物生命形態(tài)都滅絕了，但是它們身體的骨骼等組成部分卻保存在化石里。而后面則說此類巖石能告訴我們不少信息，那么可以判斷中間這一部分應(yīng)當(dāng)也是在說明有關(guān)化石的內(nèi)容，而且是我們從化石中可以獲得什么內(nèi)容，故可以選擇出G。

　　42. 【答案】D。

　　前面說了水生動物化石的形成過程，后面說我們就會知道有很多類的哺乳動物和鳥類之類，因此中間應(yīng)該繼續(xù)化石形成的討論，故可以選擇D。

　　43. 【答案】 E。

　　后一句講到了later forms are more complex，那么這必然是與前一句中所述內(nèi)容進(jìn)行比較，結(jié)合選項，可以判斷出選項E正確，因為E中講述了早期的一些化石。

　　44. 【答案】 B。

　　這一段在說動物的進(jìn)化，魚類——兩棲動物，那么之后按照進(jìn)化順序，就應(yīng)該是爬行動物，再是哺乳動物。結(jié)合選項，B最合適。

　　45. 【答案】 C。

　　接上文講爬行動物的時代終結(jié)，之后便是哺乳動物，那么選項中講哺乳動物的C便為正確選項。

　　Part C

　　46. In the second half of the 20th century, world output of corn, wheat and cereal crops more than tripled. Yet there is not enough to feed the rich, the aspirational and the poor in the world. A golden age has been transformed quite suddenly into a global crisis。

　　【分析】 more than在這里做副詞。aspiration是指渴望，熱切希望，那么句中包含在rich和poor之間，the aspirational則可以譯為朝著中產(chǎn)階級奮斗的人們。the poor譯為窮苦的人。

　　【譯文】20世紀(jì)下半葉，世界玉米、小麥以及谷物產(chǎn)量增長三倍多，可是仍不足以養(yǎng)活全世界人民，包括富人、窮人以及那些正努力朝著中產(chǎn)階級奮斗的人們。黃金時代突然演變成了全球性危機。

　　47. A combination of these factors, he says, will ultimately force a complete rethinking of the way we make food。

　　【分析】主體結(jié)構(gòu)是combination will force a rethinking。the way后面是一個定語從句。

　　【譯文】這些因素合在一起，他說，將最終迫使我們重新思考我們的糧食生產(chǎn)方式。

　　48. Water was also plentiful — it takes 1,000 tonnes of water to produce a tonne of grain — and an ingenious process known as Haber-Bosch makes synthetic nitrogen fertiliser easily available to grain farmers。

　　【分析】 復(fù)合句。Water was plentiful 和 process makes fertiliser…。破折號中間的為插入語，known as 作定語修飾process，easily后面作補語。

　　【譯文】水資源也比較充足——盡管生產(chǎn)一噸糧食就需要1000噸水——而且利用哈伯博施法的發(fā)明，使得農(nóng)民們可以獲得廉價的氮肥。

　　49. Eating organic product could be a partial solution, although one study suggests that the cost of avoiding intensive farm chemicals would mean a 31% increase in food prices。

　　【分析】復(fù)合句。although引導(dǎo)一個讓步狀語從句，其中that引導(dǎo)一個賓語從句。

　　【譯文】進(jìn)食有機食物或許能在一定程度上解決問題，可一項研究表明，如果要避免大量使用農(nóng)業(yè)化學(xué)肥料，糧食價格將要上漲31%。

　　50. Fashionably, Mr. Roberts believes that a local system based on easily obtainable seasonal foods that do not need to be transported huge distances would form part of a solution。

　　【分析】第一個that后面整個句子是一個賓語從句，即Mr. Roberts believes that…，這個賓語從句的主體結(jié)構(gòu)是a local system would form…，based on…為 system的定語，其中嵌套that引導(dǎo)的定語從句修飾seasonal foods。

　　【譯文】按照普遍的觀點，Roberts認(rèn)為建立一種以容易獲取的應(yīng)季食物為基礎(chǔ)的本地體系，以使食物不需要長距離運輸，將會是解決方案的一部分。

　　Section IIIWriting

　　Part A

　　Dear John,

　　I am really happy that you can make this visit to our city. After all these years of correspondence, I cannot wait to see you, to hear your narration of your life in your city, and to discuss all those unfinished topics. However, I regret to inform you that I will not be able to meet you at the airport on time。

　　The reason is that your flight will arrive early in the morning, and the most probable time I can make to the airport will be around an hour after your scheduled landing. So would you please wait for me in the arrival lounge after you pick up your luggage? You may have a cup of coffee in the café there。

　　By the way, as we have never met I must tell you how to identify me in the crowd: I will wear a blue and white stripes polo shirt, blue jeans, and a white baseball hat. Moreover I will have a piece of China Daily at hands。

　　Hope we can meet soon。

　　Sincerely yours,

　　Roger

　　Part B

　　Groups of bees work together to produce honey. Their great efforts are unselfish, as all the honey they have produced is for an entire group rather than a single individual. The drawing above suggests that people should selflessly dedicate themselves to their community as a whole. This spirit of dedication requires faith. Selfless hard work is the embodiment of responsibility and strength。

　　The health of nations requires a spirit of devotion. Chinese teachers, doctors and athletes who all work for the benefit of their country, for example, are devoting themselves regardless of fame or fortune. They are dedicated to the society they live in. No matter what type of job one holds, one should work hard and earnestly to improve one's community。

　　The results of dedication, however, depend not only on one's willingness to give but also on one's ability. If you are enthusiastic about devoting yourself to your country, but do not have the skills it takes to do so, you cannot effect many changes. The more competent one is, the greater one's contribution will be. Therefore, it is essential that students focus on their studies and enhance their skills in order to properly give back to society。

　　相關(guān)推薦：

　　2011考研《英語》沖刺模擬試題及答案匯總

　　夏徛榮：2011年考研英語終極預(yù)測試題及答案

　　朱泰祺：2011年考研英語全真沖刺模擬試題匯總