1、Unit 3 (時間：30分鐘滿分：40分).單項填空(共15小題；每小題1分，滿分15分)1Teachers have to constantly update their knowledge in order to maintain their professional_.Aconsequence BindependenceCcompetence Dintelligence答案C考查名詞詞義的辨析。consequence結果；后果；independence 獨立； competence 能力；intelligence智力。句意：教師必須不斷的更新自己知識以便于保持他們在職業上的能力。2Th

2、e traffic problem we are looking forward to seeing_should have attracted the local government's attention.(2012·衡陽市八中高三月考)Asolving Bsolved Cto solve Dsolve答案B考查動詞的非謂語形式作補足語。分析句子結構可知，we are looking forward to seeing_ 部分為定語從句，修飾the traffic problem，作賓語的引導詞被省略。因此，空格處應為句型see sth done，故B項正確。句意：我們

3、渴望得到處理的交通問題應該引起政府的關注。3Many people believe that poverty is only a problem in rural areas._，it is also a problem in some urban areas.AAs a result BFurthermoreCIn the end DAs a matter of fact答案D考查短語的辨析。as a result 因此；furthermore而且；in the end 最后；as a matter of fact 實際上。由句中的also可知，D項符合句子的邏輯結構。句意：許多人認為貧窮只

4、是鄉村地區存在的問題，實際上，它也是部分城市地區存在的問題。4What he has said is reasonable_.(2012·福建廈門三校高三聯考)Ain the way Bon the wayCby the way Din a way答案D考查介詞短語的辨析。in the way 擋道；礙事；on the way 在途中；即將到來；by the way順便說；順便問一下；in a way在某方面。句意：他說的話在某些方面是合理的。5China has shown increasingly positive_of economic performance，but the

5、country's economic recovery is still uncertain，Prime Minister Wen said.Atraces Bsignals Cmarks Dsigns答案D考查名詞詞義的辨析。trace痕跡；遺跡；signal信號；mark符號；記號；sign符號；標記。句意：溫家寶總理說中國已經表現出了日益增長的經濟實績的征兆，但是國家的經濟復蘇還不穩定。6I haven't seen Ann for _ long that I've forgotten what she looks like.Asuch Bvery Cso Dto

6、o答案C句意：我有很長時間沒見著安了，我已忘記她長什么樣了。so/such.that如此以至于，即soadj./adv.that，而suchn.that，long為副詞，故用so。故選C。7No further financial problem_， but we once couldn't make both ends meet.Arose Barose Caroused Draised答案B考查動詞詞義的辨析。rise 為不及物動詞，意為上升；升起；arise 常表示(問題、困難等)出現，不及物動詞；arouse 及物動詞，喚醒；喚起；raise及物動詞，撫養；提高。句子主語為pr

7、oblem，由此可知空格處應用arise。句意：沒有再出現財政問題，但我們又一次入不敷出了。8I'm not sure whether I'll succeed in persuading her._， I'll try all possible means to make it.AEven though BIf soCAnyhow DTherefore答案C考查副詞及連詞的辨析。even though 盡管，后接句子；if so如果這樣的話，為狀語從句的省略； anyhow無論如何；不管怎么說；therefore因此。由句子結構可知C項正確。句意：我不能確定是否能說服

8、她，但不管怎么說，我要盡一切可能去做這件事。9Many Europeans explored_continent of Africa in the 19th century with the determination to discover_unknown.A/; the Bthe; anC/; an Dthe; the答案D考查冠詞的用法。continent大洲，有定語of Africa修飾，應用定冠詞the；第二空為the形容詞表示一類人或物。句意：許多歐洲人在19世紀時到非洲去探險，決定發現那些未知的東西。10_that Tom got inside the room to see w

9、hat was going on.(2012·安徽蚌埠二中高三質檢)ASo strangely did he feelBSo strangely he feltCSo strange did he feelDSo strange he felt答案C考查so.that 句型的倒裝。so adj./adv.位于句首時主句用倒裝結構。句意：他覺得那么奇怪以至于湯姆都到房間里來看看發生了什么事。11_，the excited crowds in the square suddenly became so quiet. It's still puzzling.APersonally

10、BNaturallyCSomehow DAnyway答案C考查副詞的用法。somehow表示“不知為什么”，符合句子結構。personally本人；親自；naturally 自然地；anyway無論如何；不管怎么說。句意：廣場上興奮的人群不知為什么突然那么安靜。太令人不解了。12The police have finally_the mystery (疑案)(2012·山西介休十中高三模擬)Asucceeded to solveBsucceeded in solving Csucceeded solvingDsucceeded on solving答案B考查短語的搭配。succeed

11、 in doing sth 成功做某事。句意：最后警察成功的破解了這一疑案。13Every possible means_，but it seems that nothing will prevent the situation from getting worse.(2012·陜西西安市高三質檢)Ahas tried Bhave triedChas been tried Dhave been tried答案C考查主謂一致。every possible means 每一種可能的方法，謂語動詞應用單數形式，且means 與try之間為動賓關系，故C項正確。句意：每一種可能的方法都被試過

12、了，但好像沒有什么能阻止這種狀況的每況愈下。14Creative thinking is a conscious effort to break away from old patterns of thinking in order to_new possibilities.Asolve Bapply Cexplore Densure答案C考查動詞詞義辨析。solve 解決；apply 申請；explore 探索；ensure保證；確保。句意：創造性思維是一種試圖擺脫舊思考模式、探索新的可能性的有意識的努力。15While building a tube through the mountai

13、n，_.Aan underground lake was discoverdBthere was an underground lake discoveredCa lake was discovered undergroundDthe workers discovered an underground lake答案D分析句子結構可知，從句為狀語從句的省略，此時主從句的主語應一致，故D項正確。句意：在山上建隧道時，工人們發現了一個地下湖。.閱讀理解(共5小題；每小題2分，滿分10分)What will power your house in the future？Nuclear，wind，or

14、solar power？According to scientists at the Massachusetts Institute of Technology(MIT)in the US，it might be leavesbut artificial(人造的)ones.Natural leaves are able to change sunlight and water into energy.It is known as photosynthesis(光合作用)Now researchers have found a way to imitate this seemingly simp

15、le process.The artificial leaf developed by Daniel Nocera and his colleagues at MIT can be seen as a special silicon chip with catalysts(催化劑)Similar to natural leaves，it can split water into hydrogen and oxygen when put into a bucket of water.The hydrogen and oxygen gases are then stored in a fuel c

16、ell，which uses those two materials to produce electricity，located either on top of a house or beside the house.Though the leaf is only about the shape of a poker card，scientists claimed that it is promising to be an inexpensive source of electricity in developing countries.“One can imagine villages

17、in India and Africa not long from now purchasing an affordable basic power system based on this technology，”said Nocera at a conference of the American Chemical Society.The artificial leaf is not a new idea.The first artificial leaf was invented in 1997 but was too expensive and unstable for practic

18、al use.The new leaf，by contrast，is made of cheap materials，easy to use and highly stable.In laboratory studies，Nocera showed that an artificial leaf prototype(原型)could operate continuously for at least 45 hours without a drop in activity.The wonderful improvements come from Nocera's recent disco

19、very of several powerful，new and inexpensive catalysts.These catalysts make the energy transformation inside the leaf more efficient with water and sunlight.Right now，the new leaf is about 10 times more efficient at carrying out photosynthesis than a natural one.Besides，the device can run in whateve

20、r water is available；that is，it doesn't need pure water.This is important for some countries that don't have access to pure water.With the goal to “make each home its own power station” and “give energy to the poor”，scientists believe that the new technology could be widely used in developin

21、g countries，especially in India and rural China.【解題導語】 本文是一篇科普文。文章介紹了科學家利用人造樹葉仿效光合作用進行發電這一新發明。16Which of the following orders correctly shows how the artificial leaf is used to produce electricity?aartificial leaves split water into hydrogen and oxygenbthe hydrogen and oxygen gases are stored in a f

22、uel cellcthe artificial leaves are put in waterdthe fuel cell uses hydrogen and oxygen to produce electricityAc，b，a，d Bc，a，b，dCb，c，a，d Dc，a，d，b答案B細節排序題。文章的第三段提到人造樹葉發電的過程：先把它放在一桶水里，然后樹葉將水分解為氫氣和氧氣，而氫氣和氧氣被存儲于燃料電池里，隨后電池利用氫氣和氧氣的反應發電。17Which of the following statements about new artificial leaves is NOT W

23、RONG according to the article?AThey are inexpensive but unstable.BThey are as efficient at carrying out photosynthesis as natural leaves.CThey can work only in pure water.DThey need several catalysts to help them work efficiently.答案D細節理解題。根據文章第六段中的“The wonderful improvements come from Nocera's r

24、ecent discovery of several powerful，new and inexpensive catalysts.”可知，人造樹葉發電能夠更有效率的關鍵在于催化劑。18The purpose of the scientists at MIT in developing the new artificial leaf is to_.Abuild up more power stations in the worldBprovide cheaper energy for developing countriesCoffer people in developing countri

25、es access to pure waterDgain a deeper understanding of the photosynthesis process答案B推理判斷題。根據最后一段可知，人造樹葉發電這一技術可以幫助發展中國家獲得便宜的能源。19The main idea of this passage is _.Aan introduction to the history of artificial leavesBan invention copying photosynthesisCgiving energy to the poorDa mixture of water pow

26、er and solar energy答案B主旨大意題。綜觀全文可知，本文主要講述了人造樹葉模擬光合作用發電這一新發明。20The underlined word “imitate” in Paragraph 2 can be replaced by “_”Aproduce Bhold Cprevent Dcopy答案D詞義猜測題。畫線部分的前文介紹了什么是光合作用，后文介紹了利用人造樹葉效仿這種光合作用進行發電的內容，所以該詞的含義應該是“仿效”，故D項是最佳答案。.閱讀表達(共5小題；每小題3分，滿分15分)閱讀下面的短文，并根據短文后的要求答題(請注意問題后的詞數要求)。With man

27、y job postings(公開招聘) now requiring candidates (應聘者) to apply via e­mail, first impressions are made not with a handshake but with words on a computer screen.Just like it's usually a good idea to dress best for an interview, e­mails also should be refined._， here are some tips：Forget wh

28、at instant messaging has taught you.Recruiters (招聘人員) report that young professionals often send overly casual e­mails, treating an application like an instant message (IM). When using IM with friends and acquaintances, it's acceptable to use shortened forms of words or phrases and incomple

29、te sentences. In business correspondence (信函), however, stick to the rules your Chinese and English teachers taught you.Don't be cool.Your lovely e­mail background of pets playing with each other has got to go.Comic fonts (字體) are unprofessional. HR managers (人力資源經理) recommend plain fonts s

30、uch as Times New Roman or Arial, and black text on a white background.They also warn against sending e­mails from strange addresses. Littlebird or Chinatiger might not get what you hope for.Don't be too creative in the subject line(標題)Use plain, simple language like “Talented candidate seek

31、ing position as name of position” or “Enthusiastic candidate seeking position with name of company”. Use one word to describe yourself, but do not go to extremes.The same rules apply to a paper resume (簡歷) and cover letter. Recruiters have only seconds to devote to each cover letter they receive. Many look at just three things: the positions you've held, the companies you've worked for，and your educationa