解放軍文職招聘考試2015年12月英語六級(jí)聽力真題第二套-解放軍文職人員招聘-軍隊(duì)文職考試-紅師教育
發(fā)布時(shí)間：2017-06-18 17:42:312015年12月英語六級(jí)聽力真題第二套Section ADirections: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question therewill be a pause. During the pause, you must read the four choices marked A), B), C.and D., and decide which is the best answer. Then mark the corresponding letter on Answer Sheet I with a single line through the centre.1. A.She is impatient to learn computer programming.B.She is unaware her operation system is outdated.C.She is unable to use the new computer program.D. She is amazed at the fast change of technology.2.A.He has long been fed up with traveling.B.He prefers to stay home for the holiday.C.He is going out of town for a couple of days.D. He is annoyed by the heavy traffic downtown.3.A.The challenges facing East Asia.B.The location for their new office.C.Their expansion into the overseas marketD. The living expenses in Tokyo and Singapore.4. A.A number of cell phones were found after the last show.B.The woman forgot where she had left her cell phone.C.The woman was very pleased to find her cell phone.D. Reserved tickets could be picked up at the ticket counter.5.A.The building materials will be delivered soon.B.The project is being held up by bad weather.C.The construction schedule may not be met.D. Qualified carpenters are not easy to find.6.A.She is getting very forgetful these days.B.She does not hold on to bitter feelings.C.She resents the way she is treated.D. She never intends to hurt anyone.7.A.The man wants to rent a small apartment.B.The woman has trouble getting a mortgage.C.The woman is moving to a foreign country.D.The man is trying to sell the woman a house.8. A.They are writing a story for the Morning News.B.They are facing great challenges to get re-elected.C.They are launching a campaign to attract women voters.D.They are conducting a survey among the women in town.Questions 9 to 11 are based on the conversation you have just heard.9.A.Touch his heart.B.Make him cry.C.Remind him of his life.D.Make him feel young.10. A.He is good at singing operas.B.He enjoys complicated music:C.He can sing any song if he likes it.D.He loves country music in particular.11.A.Go to a bar and drink for hours.B.Go to an isolated place to sing blues.C.Go to see a performance in a concert hall.D.Go to work and wrap himself up in music.Questions 12 to 15 are based on the conversation you have just heard.12.A.How he became an announcer.B.How he writes news stories.C.How he makes his living.D.How he does his job.13.A.They write the first version of news stories.B.They gather news stories on the spot.C.They polish incoming news stories.D.They write comments on major news stories.14. A.Reading through the news stories in a given period of time.B.Having little time to read the news before going on the air.C.Having to change the tone of his voice from time to time.D.Getting all the words and phrases pronounced correctly.15.A.It shows where advertisements come in.B.It gives a signal for him to slow down.C.It alerts him to something important.D.It serves as a reminder of sad news.Section BDirections : In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B),C).and D). Then mark the corresponding letter on Answer Sheet I with a single line through the centre.Passage OneQuestions 16 to 18 are based on the passage you have just heard.16. A.It gives pleasure to both adults and children.B.It is often carried around by small children.C.It can be found in many parts of the world.D.It was invented by an American Indian.17. A.They were made for earning a living.B.They were delicate geometric figures.C.They were small circus figures made of wire.D.They were collected by a number of museums.18.A.In art.B.In geometry.C.In engineering.D.In circus performance.Passage TwoQuestions 19 to 21 are based on the passage you have just heard.19. A.They offer students a wide variety of courses.B.They attract students from all over the world.C.They admit more students than they can handle.D.They have trouble dealing with overseas students.20. A.Everyone will benefit from education sooner or later.B.A good education contributes to the prosperity of a nation.C.A good education is necessary for one to climb the social ladder.D.Everyone has a right to an education appropriate to his potential.21. A.He likes students with high motivation.B.He enjoys teaching intelligent students.C.He tailors his teaching to students needs.D.He treats all his students in a fair manner.Passage ThreeQuestions 22 to 25 are based on the passage you have just heard.22. A.It is mostly imported from the Middle East.B.It is a sure indicator of its economic activity.C.It has a direct impact on the international oil market.D.It equals more than 30 million barrels of oil each day.23. A.It eventually turns into heat.B.It is used in a variety of forms.C.Its use is chiefly responsible for air pollution.D.Part of it is lost in the process of transmission.24.A.When it is used in rural areas.B.When it is environment-friendly.C.When it operates at near capacity.D.When it operates at regular times.25.A.Traffic jams in cities.B.Inefficient use of energy.C.Fuel shortage.D.Global warming.Section CDirections: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.Graphics are used in textbooks as part of the language of the discipline, as in math or economics, or as study aids. Authors use graphic aids to（26）and expand on concepts taken up in the text because graphics are yet another way of portraying relationships and（27）connections.Graphics are used extensively in natural sciences and social sciences. Social scientists work with statistics（28）data, and the best way to present these statistics is often in graphic form. Graphics are included- not merely as a means of making the information easier for the student to grasp, but as an integral part of the way social scientists think. Many textbooks,（29）those in economics, containappendixes that provide specific information on reading and working with graphic material.Make it a practice to（30）attentively the titles, captions, headings, and other material connected with graphics. These elements（31）and usually explain what you are looking at. When you are examining graphics, the（32）questions to ask are (a.)What is this item about? and (b.)What key idea is the author（33）?One warning: Unless you integrate your reading of graphics with the text, you may make a wrong assumption.（34）, from a chart indicating that 33 percent of firstborn children in a research sample did not feel close to their fathers, you might assume that some dreadful influence was at work on the firstborn children. However, a careful reading of the text（35）that most of the firstborn children in the sample were from single-parent homes in which the father was absent.2015年12月英語六級(jí)聽力真題(第二套)答案每天15分鐘英語聽力ID：shrj520小伙伴關(guān)注了之后，聽力變成送分題▲微信掃描以上二維碼1.C.四個(gè)選項(xiàng)均是以She開頭的句子，前三個(gè)選項(xiàng)中出現(xiàn)了含有im．，un．這類表示否定前綴的詞語，以及computer，outdated，program，technology等與電腦程序相關(guān)的詞匯．故推測(cè)該對(duì)話內(nèi)容以某女士與計(jì)算機(jī)程序之間發(fā)生的不好的事件為主。詳解：對(duì)話中女士表示自己很郁悶，弄不明白新的電腦程序，也就是選項(xiàng)C中 不會(huì)使用 的意思；選項(xiàng)B的干擾性較大，男士指出現(xiàn)在技術(shù)變化快，系統(tǒng)更新得也快．并不是說女士的系統(tǒng)過時(shí)了，故答案為C。2. B.四個(gè)選項(xiàng)均是以He開頭的句子，通過選項(xiàng)中出現(xiàn)的traveling，holiday，traffic可以判斷該對(duì)話與男士的假期出行有關(guān)。詳解：對(duì)話中男士明確提出 他寧愿待在家里 ，故答案為B。3. B.四個(gè)選項(xiàng)均為名詞詞組，故推測(cè)該題考查對(duì)話談?wù)摰闹饕獌?nèi)容。通過選項(xiàng)中出現(xiàn)的地名East Asia, Tokyo and Singapore 以及 office, market 可以判斷對(duì)話與貿(mào)易市場(chǎng)有關(guān)。詳解：對(duì)話中女士指出她們新進(jìn)入東亞市場(chǎng)，因此在選擇區(qū)域辦公室所在城市時(shí)務(wù)必謹(jǐn)慎，男士也相應(yīng)地指出了兩個(gè)備選城市的優(yōu)缺點(diǎn)，故答案為B。4. A.前三個(gè)選項(xiàng)均含有cell phone(S)；再結(jié)合選項(xiàng)B)、C)中的left，find可以推測(cè)，對(duì)話和女士丟手機(jī)有關(guān)；只有選項(xiàng)D)沒有提到手機(jī)，因此成為答案的幾率很小，但是其中提到的地點(diǎn) 售票處 應(yīng)該與丟手機(jī)有關(guān)。詳解：對(duì)話中男士提到演出結(jié)束后他們撿到了好幾個(gè)手機(jī)，讓女士去售票處找，故答案為A。5.C.四個(gè)選項(xiàng)均為句子，且主語各不相同，因此本題考查對(duì)話的綜合內(nèi)容。building和construction與建筑相關(guān)，held up(耽擱)和schedule與時(shí)間相關(guān)，再結(jié)合bad weather和not be met這類消極方面的詞匯，可推測(cè)對(duì)話內(nèi)容與建筑工程未能按時(shí)完工有關(guān)。詳解：對(duì)話中女士詢問工程是否能夠按時(shí)完工，男士提到木工們?nèi)於荚诠ぷ?，但是一些重要材料在過海關(guān)時(shí)耽擱了，也就是說他們也許不能按時(shí)完工，故答案為C。6. B.四個(gè)選項(xiàng)均是以She開頭的句子，故該題考查與女士相關(guān)的信息；同時(shí)選項(xiàng)中出現(xiàn)了bitter feelings，treated，hurt，故推測(cè)對(duì)話與某人的情感受到傷害有關(guān)；此外，not，never的出現(xiàn)提示考生應(yīng)注意聽取表示否定的內(nèi)容。詳解：該題要關(guān)注的不是對(duì)話中的女士，而是他們提到的Jane；對(duì)話中，女士擔(dān)心自己傷害了Jane，男士則指出Jane的一個(gè)優(yōu)點(diǎn)就是不記仇，不高興的事很快就忘了，故答案為B。7. D.四個(gè)選項(xiàng)的主語兩個(gè)是woman，兩個(gè)是man，因此推測(cè)該題考查對(duì)話雙方的綜合信息；選項(xiàng)中出現(xiàn)了mortgage 抵押貸款 ．通常是買房時(shí)用到，再結(jié)合rent，apartment，sell，house等詞可推測(cè)，該對(duì)話與買賣房屋或者租房有關(guān)。詳解：對(duì)話中男士在帶女士看房，并且說價(jià)錢很合適，而且女士也比較滿意，認(rèn)為可以將后面的小套房租出去，以便補(bǔ)貼抵押貸款，故答案為D。8. C.四個(gè)選項(xiàng)均為They are V-ing形式的句子，故推測(cè)該題考查對(duì)話雙方正在做的事情；選項(xiàng)B)、C)中出現(xiàn)了re．elected，campaign，voters等詞，可推測(cè)對(duì)話與選舉有關(guān)，選項(xiàng)C)、D)出現(xiàn)了women一詞，可推測(cè)該選舉活動(dòng)與女性有關(guān)。詳解：對(duì)話中女士指出，《晨報(bào)》報(bào)道了她們的選舉活動(dòng)，男士認(rèn)為報(bào)道可以引起城里女性的關(guān)注，沒支持，就很難贏得選舉(注意不是競選連任)，也就是說他們活動(dòng)的目的就是吸引女性投票者，C)。有她們的故答案為C.9．What does Charles say songs call do when he sings them?詳解:四個(gè)選項(xiàng)均是動(dòng)詞詞組，讀題時(shí)要選取主要詞匯，如Touch heart，Make cry，feel young等，都是關(guān)于音樂給人帶來影響的詞匯，因此本題考查音樂給男士帶來的影響。對(duì)話中男士提到他現(xiàn)在歲數(shù)大了，已經(jīng)過了因?yàn)橐魳范奁哪挲g，但是音樂仍能讓他感動(dòng)，get through to me在這里意為 打動(dòng)我 ，故答案為A。10．What does Charles say about himself as a singer?詳解:四個(gè)選項(xiàng)均是句子，出現(xiàn)了enjoys，likes，loves等表示喜好的詞匯，其中operas和country music分屬不同種類的音樂，故推測(cè)該題考查男士喜歡演唱的音樂類型。對(duì)話中男士提到如果他喜歡某種音樂，他就可以唱，不喜歡就不唱。故答案為C)。11．研Iat would Charles do when his personal life is hurting?詳解:四個(gè)選項(xiàng)均是以Go t0開頭的詞組，bar，place，concert hall是地點(diǎn)詞匯，to sing，to see，to work是動(dòng)作詞匯，因此推斷本題考查男士去某處做某事的具體內(nèi)容。對(duì)話中男士指出如果個(gè)人生活中遇到失意的事情，他會(huì)去工作，全身心投入到(wrap myself up)音樂中去，音樂就會(huì)取代(take over)不開心的事，酒吧喝酒只是男士做的一個(gè)類比，故答案為D。12.what does the woman want to know about the man?詳解:四個(gè)選項(xiàng)均是以 How he+動(dòng)詞 開頭，an announcer，livin9，job都與工作有關(guān)，故推測(cè)該題與男士的工作相關(guān)。對(duì)話中，女士問男士的工作具體是做什么的以及要做哪些準(zhǔn)備工作，也就是在問他的工作是怎么進(jìn)行的，故答案為D)。13．What does the man say news subs do?詳解:四個(gè)選項(xiàng)均是以 They+d0 開頭的句子，每句話中均出現(xiàn)了news stories，因此本題考查他們對(duì)新聞故事做了什么處理：寫、收集、潤色還是評(píng)論?注意They肯定是對(duì)話中提到的某一類人。對(duì)話中男士解釋了news．subs的職責(zé)，說他們 是副編輯，有新聞故事的時(shí)候，由他們進(jìn)行編寫，然后稿子才會(huì)轉(zhuǎn)到高級(jí)責(zé)編和助理編輯手中做進(jìn)一步處理，也就是說他們是新聞稿件的初稿撰寫人，故答案為A)。14．What does the mall say is a big challenge for him?詳解：四個(gè)選項(xiàng)均是名詞詞組，選項(xiàng)中出現(xiàn)了Readin9，voice，pronounced，均是與朗讀有關(guān)的詞匯，因此推測(cè)該題與朗讀新聞時(shí)的動(dòng)作有關(guān)。對(duì)話中男士指出播音之前通常有時(shí)間可以事先讀完大部分的新聞故事，但是往往在最后關(guān)頭也會(huì)有其他事情發(fā)生，因此并不是每次都有機(jī)會(huì)提前閱讀，而事先看一眼非常重要，因?yàn)檫@樣能夠避免工作中的失誤，故答案為B)。15. What role does the man say his small cross place?詳解：四個(gè)選項(xiàng)均是以It開頭的句子，選項(xiàng)B)、C)的謂語動(dòng)詞后均出現(xiàn)了賓語9ives him，alerts him，故推測(cè)It是在協(xié)助男士做某事，故本題可能考查It對(duì)男士的作用。對(duì)話中男士表示他會(huì)用小叉號(hào)標(biāo)記悲傷的新聞故事，故答案為D)。16. What does the speaker say about a mobile?詳解：四個(gè)選項(xiàng)的主語均是It，其中children出現(xiàn)了兩次，綜合未聽先知的信息點(diǎn)，以及選項(xiàng)中出現(xiàn)的carried，found，invented，可推測(cè)本題可能考查某種與孩子有關(guān)的事物的性質(zhì)特點(diǎn)。短文中指出成年人和孩子都喜歡風(fēng)鈴，故答案為A)。17. What do we learn about many of Alexander Calder s early artworks?詳解：四個(gè)選項(xiàng)均是以They開頭的過去時(shí)句子，因此詢問的是過去發(fā)生的事情。B)、C)選項(xiàng)極為接近，都是形容詞作表語，修飾figures，因此推斷這里的They指的就是figures(人物)，該題考查這些人物形象的相關(guān)內(nèi)容。短文中指出Calder的早期作品都是用線制成的馬戲團(tuán)的小人物形象，后來才轉(zhuǎn)向抽象的形象，故答案為C)。18. Where does Alexander Calder s real passion lie?詳解：四個(gè)選項(xiàng)均是 In+名詞 構(gòu)成的介詞短語，art，geometry和engineering屬于學(xué)科領(lǐng)域，因此推測(cè)該題可能考查Calder在設(shè)計(jì)風(fēng)鈴時(shí)應(yīng)用的學(xué)科或者Calder本人的學(xué)科或興趣。題目考查的是Calder本人的真正熱情所在，短文中提到他的真正愛好是藝術(shù)，故答案為A)。19. What does the speaker say about the America s universities?詳解：四個(gè)選項(xiàng)均是以They開頭的句子，賓語都是students，根據(jù)A)中的0ffer courses可推測(cè)They指的可能是學(xué)校；代入B)選項(xiàng)也成立；因此該題考查的是某些學(xué)校的學(xué)生情況。短文中指出 盡管這些大學(xué)也存在著一些問題，去年美國的3500所大學(xué)吸引了來自全球l93個(gè)國家的50多萬名學(xué)生 ，be flooded with意為 充斥 ，暗指學(xué)生如潮水般涌入美國大學(xué)，也就是說，美國大學(xué)吸引了來自世界各地的學(xué)生。短文中的troubles并非指學(xué)生太多或?qū)W校無法應(yīng)付，因此選項(xiàng)C)、D)可以排除，故答案為B)。20. What is Americans view on education according to Professor Marven Breselor?詳解：四個(gè)選項(xiàng)中出現(xiàn)了Everyone，benefit，good education contributes，因此推測(cè)該題考查的是優(yōu)秀教育的意義及其與個(gè)人的關(guān)系。短文中馬文 布萊斯勒教授明確提出 每個(gè)人都有權(quán)利接受與自己潛能相匹配的教育，這個(gè)概念是高度民主和善意的標(biāo)準(zhǔn) ，故答案為D。21. What do we learn from Professor Christopher Rakes remark?詳解：四個(gè)選項(xiàng)均是以He開頭的句子，his students表明He是一位老師，結(jié)合likes，enjoys這些積極的詞匯可推測(cè)，該題與這位教師的優(yōu)秀教學(xué)有關(guān)。在短文最后，克里斯特弗 瑞克斯教授指出 我不反對(duì)精英主義，但是我碰巧喜歡教那些學(xué)習(xí)欲望更加強(qiáng)烈的人 ，即他喜歡學(xué)習(xí)動(dòng)力強(qiáng)的學(xué)生，故答案為A。22. What does the speaker say about energy used in the United States?23. What do scientists say about energy contained in fuel?詳解：四個(gè)選項(xiàng)均是與it相關(guān)的句子，其中還出現(xiàn)了turns into heat，air pollution之類的詞，可猜測(cè)it肯定與能源有關(guān)系。短文中提到，燃料里所含的全部能源遲早都會(huì)變成熱量，故答案為A。24. When does mass transit prove superior to private vehicles?四個(gè)選項(xiàng)均以When開頭，used和operates均為表示使用、操作類的詞匯，因此推測(cè)本題與使用某物的條件有關(guān)。短文中提到公共交通工具只有在發(fā)揮最大能效時(shí)，才能在能源使用效率和清潔度上優(yōu)于私人交通工具，故答案為C。四個(gè)選項(xiàng)均是抽象名詞，推測(cè)可能與短文的中心思想有關(guān)。短文中提到了各種交通工具，但是沒有涉及交通擁堵，故可排除A；能源短缺是事實(shí)，但短文中并沒有重點(diǎn)關(guān)注，故可排除C；短文只是提到能源最終變成了熱量，但并沒有引申到全球變暖的話題，故可排除D；說話者多處提到efficiency，并指出了效率的重要性， 資金投入加之詳細(xì)計(jì)劃，我們可以提高能源使用效率 ，同時(shí)對(duì)交通工具的低能效表示關(guān)注，因此他真正關(guān)注的是能源利用率不足，希望提高使用效率，故答案為B。26. illustrate比空前面是to，需要填入動(dòng)詞原形，構(gòu)成不定式，與后面的動(dòng)詞原形expand并列，而且習(xí)型，也可以推斷此處應(yīng)該填人一個(gè)動(dòng)詞原形。illustrate意為 用(事例、圖畫)說明 。27.此空前面是表示并列的and，后面是一個(gè)名詞，因此應(yīng)該填入一個(gè)動(dòng)名詞與前面的 clarifying portraying relationships陶成并列形式，共同作為介詞of后面的補(bǔ)足語。clarifying意為 說明，澄清 。28. derived from此空前面是完整的一句話，并以一個(gè)名詞結(jié)束，后面and 又是一個(gè)完整的句子，因此該空以及其后的data應(yīng)該是第一個(gè)分句中的從屬部分；該句句意為 由數(shù)據(jù)而來的統(tǒng)計(jì)數(shù)字 ，注意應(yīng)該填入過去分詞作后置定語。derived from意為 源自，取自 。29. particularly 此空前面的Many textbooks和后面的those in economics是同位語，因此該空應(yīng)該填入一個(gè)不影響句子成分和意義的副詞。particularly意為 尤其是 。30. preview 此空前面是動(dòng)詞不定式的標(biāo)志詞t0，后面是副詞，因此應(yīng)該填人一個(gè)動(dòng)詞原形。整句話的意思是 要養(yǎng)成習(xí)慣，先仔細(xì)閱讀圖表的題目、說明文字、標(biāo)題以及與圖表相關(guān)的資料 。preview意為 預(yù)覽 。31. set the stage此空前面是復(fù)數(shù)主語，后面是并列連詞and以及一個(gè)動(dòng)詞原形，因此該空要填入謂語動(dòng)詞；這句話的意思是說 這些要素可以幫助你建立對(duì)圖表初步的理解 。Set the stage意為 做準(zhǔn)備，打基礎(chǔ) 。32. principal 此空前面是定冠詞the，后面是復(fù)數(shù)名詞questions，因此應(yīng)該填人一個(gè)形容詞作定語。principal意為 主要的 。33. Communicating此空前面的What key idea is the author是一個(gè)間接引語從句，該空需要填入從句的謂語動(dòng)詞，此句為現(xiàn)在進(jìn)行時(shí)，因此需要填入V-ing形式。communicatin9意為 交流，傳達(dá) 。34. For instance此空后面句子完整，因此需要填入副詞或者介詞短語作狀語；注意句子首字母需要大寫。For instance意為 例如 。35. reveals此空的前面為名詞詞組，后面是that引導(dǎo)的從句，因此需要填人謂語動(dòng)詞；主語為單數(shù)，根據(jù)主謂一致原則，謂語應(yīng)為第三人稱單數(shù)形式。reveals意為 揭露 。
解放軍文職招聘考試 2008年考研農(nóng)學(xué)聯(lián)考植物生理學(xué)與生物化學(xué)真題參考答案2-解放軍文職人員招聘-軍隊(duì)文職考試-紅師教育
解放軍文職招聘考試 2008年考研農(nóng)學(xué)聯(lián)考植物生理學(xué)與生物化學(xué)真題參考答案2發(fā)布時(shí)間：2017-06-02 21:42:372008年考研農(nóng)學(xué)聯(lián)考植物生理學(xué)與生物化學(xué)真題參考答案植物生理學(xué)答案：一、單項(xiàng)選擇題1.C 2.C 3.C 4.A 5 .D6.A 7.D 8.D 9.D 10.A11.A 12.B 13.B 14.C 15.B二、簡答題16.答案要點(diǎn)：(1)初始質(zhì)壁分離細(xì)胞的壓力勢(shì)為0，水勢(shì)等于其滲透勢(shì)且小于0，放在純水中，細(xì)胞吸水。隨著細(xì)胞吸水的進(jìn)行，細(xì)胞的體積、水勢(shì)、滲透勢(shì)、壓力勢(shì)逐漸增大。(2)達(dá)到平衡時(shí)，細(xì)胞水勢(shì)等于純水水勢(shì)，此時(shí)壓力勢(shì)和滲透勢(shì)絕對(duì)值相等，細(xì)胞的體積、水勢(shì)、滲透勢(shì)、壓力勢(shì)都達(dá)到最大。17.答案要點(diǎn)：(1)促進(jìn)細(xì)胞伸長生長。(2)促進(jìn)維管束分化。(3)促進(jìn)側(cè)根和不定根發(fā)生。(4)維持頂端優(yōu)勢(shì)。18.答案要點(diǎn)：(1)韌皮部篩管中同化物以集流的方式運(yùn)輸。(2)推動(dòng)運(yùn)輸?shù)膭?dòng)力是源和庫問的壓力勢(shì)梯度。(3)同化物在源端不斷裝載，庫端不斷卸出，產(chǎn)生并維持源庫間的壓力勢(shì)梯度。三、實(shí)驗(yàn)題19.答案要點(diǎn)：(1)光合作用消耗CO2使密閉生長箱中CO2濃度逐漸降低。一定時(shí)間后，CO2濃度下降到某一濃度時(shí)，光合作用速率等于呼吸作用速率,O2濃度達(dá)到穩(wěn)態(tài)，這個(gè)濃度即為CO2補(bǔ)償點(diǎn)。(2)根據(jù)圖中兩種植物CO2補(bǔ)償點(diǎn)的數(shù)值范圍，可以推測(cè)A植物是C4植物，通過C4途徑同化CO2同化CO2。(3)驗(yàn)證方法①14CO2標(biāo)記實(shí)驗(yàn)：14C首先出現(xiàn)在C4化合物的14C出現(xiàn)在C3化合物中的植物址中的植物是通過C3途徑同化CO2的②觀察葉片解剖結(jié)構(gòu)：維管束鞘細(xì)胞具有葉綠體的植物是通過C3途徑同化CO2的.四、分析論述題。20.答案要點(diǎn)：(1)地上部分與地下部分是相互依賴，相互促進(jìn)的關(guān)系;水肥等不足時(shí)，地上部分與地下部分表現(xiàn)相互競爭的關(guān)系。地上部分與地下部分通過物質(zhì)和信號(hào)的相互交流建立相關(guān)性。根系為地上部分提供水分、礦質(zhì)營養(yǎng)、激素等;地上部分為根系提供光合同化物、激素、維生素等。(2)生產(chǎn)中控制根冠比的方法和原理：①水分控制及其原理.②氮肥控制及其原理。③合理修剪及其原理。21.答案要點(diǎn)：(1)植物通過根、莖、葉形態(tài)結(jié)構(gòu)上的適應(yīng)性變化使自身在干旱逆境下維持正常或接近正常的水分狀態(tài)。如葉片角質(zhì)層增厚表皮毛增生，根冠比增大等。(2)在干旱逆境下，植物通過生理方面的適應(yīng)性變化維持一定程度的生長發(fā)育。如植物通過吸收無機(jī)離子或合成小分子有機(jī)物質(zhì)，降低細(xì)胞滲透勢(shì)，增加吸水能力;植物通過調(diào)節(jié)氣孔開度維持水分平衡;植物通過提高保護(hù)酶活性來清除活性氧，以維持膜的穩(wěn)定性。生物化學(xué)答案：五、單項(xiàng)選擇題22.B23.C24.A25.C26.D27.B28.A29.D30.B31.C32.C33.D34.D35.A36.A六、簡答題37.答案要點(diǎn)：(1)是生物系統(tǒng)的能量交換中心。(2)參與代謝調(diào)節(jié)。(3)是合成RNA等物質(zhì)的原料。(4)是細(xì)胞內(nèi)磷酸基團(tuán)轉(zhuǎn)移的中間載體。38.答案要點(diǎn)：(1)蛋白質(zhì)一級(jí)結(jié)構(gòu)是指蛋白質(zhì)多肽鏈中氨基酸殘基的排列順序。(2)不同物種同源蛋白質(zhì)一級(jí)結(jié)構(gòu)存在差異，親緣關(guān)系越遠(yuǎn)，其一級(jí)結(jié)構(gòu)中氨基酸序列的差異越大;親緣關(guān)系越近，其一級(jí)結(jié)構(gòu)中氨基酸序列的差異越小。(3)與功能密切相關(guān)的氨基酸殘基是不變的，與生物進(jìn)化相關(guān)的氨基酸殘基是可變的。39.答案要點(diǎn)：(1)競爭性抑制劑丙二酸的結(jié)構(gòu)與底物琥珀酸結(jié)構(gòu)相似。(2)丙二酸與底物琥珀酸競爭結(jié)合琥珀酸脫氫酶的活性中心。(3)丙二酸的抑制作用可以通過增加底物琥珀酸的濃度解除。(4)加入丙二酸后琥珀酸脫氫酶Km增大，而Vmax不變。七、實(shí)驗(yàn)題40.答案要點(diǎn)：(1)試劑的作用①EDTA可螯合金屬離子，抑制DNA酶的活性。②氯仿一異戊醇混合液使蛋白質(zhì)變性沉淀，并能去除脂類物質(zhì)。③95%乙醇可使DNA沉淀。(2)鑒別方法①采用地衣酚試劑檢測(cè)RNA分子中的核糖。如果反應(yīng)液呈綠色，說明殘留有RNA。②采用紫外吸收法檢測(cè)A260/A280的比值。如果比值大于1.8，說明殘留有RNA。③采用瓊脂糖凝膠電泳法檢測(cè)是否有小分子量的RNA條帶存在。八、分析論述題41.答案要點(diǎn)：(1)磷酸二羥丙酮是糖代謝的中間產(chǎn)物， 一磷酸甘油是脂肪代謝的中間產(chǎn)物;因此，磷酸二羥丙酮與 一磷酸甘油之間的轉(zhuǎn)化是聯(lián)系糖代謝與脂代謝的關(guān)鍵反應(yīng)。(2)磷酸二羥丙酮有氧氧化產(chǎn)生的乙酰CoA可作為脂肪酸從頭合成的原料，同時(shí)磷酸二羥丙酮可轉(zhuǎn)化形成 一磷酸甘油，脂肪酸和 一磷酸甘油是合成脂肪的原料。(3)磷酸二羥丙酮經(jīng)糖異生途徑轉(zhuǎn)化為6一磷酸葡萄糖，再經(jīng)磷酸戊糖途徑產(chǎn)生NADPH，該物質(zhì)是從頭合成脂肪酸的還原劑。(4)脂肪分解產(chǎn)生的甘油可轉(zhuǎn)化為磷酸二羥丙酮，可進(jìn)入糖異生途徑產(chǎn)生葡萄糖，也可以進(jìn)入三羧酸循環(huán)徹底氧化分解。42.答案要點(diǎn)：(1)mRNA上三個(gè)相鄰的核苷酸組成密碼子編碼一種氨基酸。遺傳密碼具有簡并性。(2)tRNA反密碼子環(huán)上具有的反密碼子，可以按照堿基配對(duì)原則反向識(shí)別mRNA上的密碼子。但這種識(shí)別具有 擺動(dòng)性 。tRNA的結(jié)構(gòu)影響其結(jié)合氨基酸的特異性。(3)氨酰tRNA合成酶具有專一性識(shí)別氨基酸和能攜帶該氨基酸t(yī)RNA的功能。氨酰tRNA合成酶還具有二次校對(duì)功能。
解放軍文職招聘考試時(shí)事政治試題及答案（2015年4月）（2）-解放軍文職人員招聘-軍隊(duì)文職考試-紅師教育
發(fā)布時(shí)間：2017-06-12 21:03:381.4月2口，經(jīng)過( )與伊核問題六國(美國、英國、法國、德國、中國和俄羅斯)多輪密集會(huì)談，宣布伊核問題談判各方己就焦點(diǎn)問題找到框架性解決方案。A.伊拉克B.伊斯蘭國C.伊朗D.伊斯蘭堡答案：C2.俄羅斯總統(tǒng)普京3月1日表示，今年俄羅斯作為金磚國家機(jī)制輪值主席國，將著力促進(jìn)金磚國家間( )。A.軍事合作B.外交合作C.經(jīng)濟(jì)金融合作D.反恐合作答案：C3.由于無法以非營利性機(jī)構(gòu)模式繼續(xù)運(yùn)營，( )3月31日在成立76年后關(guān)閉其所有業(yè)務(wù)。A.西非通訊社B.東非通訊社C.北非通訊社D.南非通訊社答案：D4.外交部長王毅4月2日同來訪的( )總統(tǒng)特使、外交部長吳溫納貌倫舉行會(huì)談，吳特使就軍機(jī)炸彈致中國邊民傷亡正式向中方道歉。A.緬甸B.印尼C.菲律賓D.越南答案：A5.香港特區(qū)政區(qū)4月29日宣布推出企業(yè)支援計(jì)劃，支援私營機(jī)構(gòu)增加研發(fā)投資。公司不論規(guī)模大小，全年都可申請(qǐng)。獲批項(xiàng)目會(huì)按( )的出資方式資助。申請(qǐng)公司還可以擁有項(xiàng)目的知識(shí)產(chǎn)權(quán)。A.一元對(duì)O.5元B.一元對(duì)一元C.一元對(duì)兩元D.一元對(duì)三元答案：B
