70天攻克考研英语阅读 DAY50

　　Read***g ***mprehension

　　Direction： In this part， there are four passages follow*** by questions *** unf***ish*** state***nts， each with four suggest*** answers mark*** A， B， C and D. Choose the o*** that you th***k is the ***rrect answer.

　　Passage 1

　　MOS***W， Nov. 20While the ***ternational space station br***gs ***w renown *** Russia， the nation is ga******g from other expl***ershackers who l***nch ****** cyberspace.

　　Russias reputation as ho*** *** so*** of the w***lds most gift*** and de***ous hackers was unders***r*** last month when M***rosoft ***rp. disclos*** that passw***ds *** a***ess its ***vet*** source ***de had been sent from the ***mpany ***tw***k *** an email address *** St. Petersburg.

　　It is by no ***ans clear whether a Russian was beh***d the break***that email a***ount ***uld h**e been manag*** remotely. But that doesnt s***p Russian hackers“khakeri”， *** “vzlomshchiki（housebreakers）”from puff***g out their chests at such exploits.

　　In a recent poll on a hacker***ient*** Web ***e， 82 percent said Russia had the w***lds best hacker； o***y 5 percent said USAns were better.

　　But the br**ado is lac*** with frustration.

　　Hackers are motivat*** as much by a lack of opp***tunity *** e***nom***ally strugg***ng Russia as by crim***al lean***g， people ***side and outside the hacker ***mmunity say.

　　Sergei Pokrovsky， ***i***r of the magaz***e Khaker， said that hackers *** his circle h**e skills that ***uld br***g them r***h salaries *** the West， but they expect *** earn o***y about $300 a month w***k***g f*** Russian ***mpanies.

　　Russias higher ***ucation traditionally has been strong *** mathemat***s， a skill at the ***re of hack***g， but the Russian market offers few employ***nt opp***tunities *** such knowl***geable people， said Mikko Hyppo***n， manager of anti***rus research at the F***nish（芬兰） ***mpany FSecure. “They h**e ***o much ti*** on their hands，” said Hyppo***n， whose ***mpany highly values the Russian ***mputer experts it employs.

　　Russians h**e been beh***d several highprofile — and so***ti***s highly lucrative — hack***g cases. There was the cyberthief known as “Maxus” who s***le cr***itcard numbers from Inter***t retail trader CD Universe ear***er this year and demand*** a $100，000 ransom. When deni*** the mo***y， he post*** 25，000 of the numbers on a Web ***e. Maxus was ***ver c***ght.

　　Mathemat***ian Vladimir Le***n was c***ght and *** 1998 was sentenc*** *** three years *** prison *** Fl***ida f*** a stunn***g ***vasion of the Citibank system *** wh***h he pilfer*** $12 mil***on by tran**err***g digital dollars out of the banks a***ounts.

　　Russians are also be***ev*** *** be beh***d the 1998 theft of Global Po***ion***g System software， us*** f*** missiletarget***g， from U.S. mi***tary ***mputers.

　　1. From the first two paragraphs， we can know that

　　A. Russias ***ternational reputation on space station was estab***sh*** on Nov.20.

　　B. Russia is no***rious f*** its hackers who l***nch ****** cyberspace.

　　C. It was ***nfir***d that Russia had s***len the precious source ***de of M***rosoft ***rp.

　　D. The email address issue prov*** that Russians reputation as ho*** *** so*** of the w***lds most gift*** hackers was not so high as people had ***nsider***.

　　2. When the ***th*** said that “that doesnt s***p Russian hackers from puff***g out their chests at such exploits”， he ***ant that

　　A. Russian hackers beca*** m***e proud of themselves through the suspect*** break*** ****** M***rosoft ***rp.

　　B. Russian hackers grew very angry about the susp***ion of their break***.

　　C. Russian hackers admitt*** frankly that they manag*** the email a***ount remotely and they were very proud of it.

　　D. Russian hackers beca*** reckless *** break***g *** cyberspace.

　　3. Wh***h of the follow***g state***nts is true about Russian hackers？

　　A. They are ma***ly motivat*** by a lack of opp***tunity of employ***nt *** Russia.

　　B. Their tendency of and ***terest *** ***mmitt***g cri*** was the most powerful dri***ng f***ce f*** their break***.

　　C. Bec***se they h**e ***o much ti*** on hands， they cant help break***g *** cyberspace *** ***der *** kill ti***.

　　D. Most of them are e***tes *** mathemat***s and much appreciat***.

　　4. Associat***g with ***ntext， we can guess out that “high — profile” ***ans

　　A. ***nsp***uous and attract***g pub***c attention. B. be***f***ial.

　　C. ga******g extre***ly bad reputation. D. ***olat***g the law desperately.

　　5. Wh***h of the follow***g state***nts is true？

　　A. 12 mil***on dollars out of Citibank.

　　B. Maxus s***le many cr***itcard numbers from Inter***t retail trader CD Universe and attempt*** *** sell them *** others at the pr***e of $100，000.

　　C. It is be***ev*** that Russians had s***len the Global Po***ion***g system software.

　　D. Russians had ***volv*** *** so*** hack***g cases and ga****** lots of mo***y.

　　Passage 2

　　***uld l***ghter really be us*** as a ***d******e？ A firstof — its — k***d study has just start*** at the Jonsson Cancer Center at the Univer***y of Ca***f***nia， Los Angeles， *** determ***e if l***ghter can r***uce pa*** and help treat disease *** children and adolescents who h**e cancer *** HIV/AIDS.

　　The study call*** “Rx L***ghter” is be***g l*** by Dr. Margaret Stuber， a cancer researcher and profess*** *** the depart***nt of psychiatry and biobeh**i***al sciences at the UCLA N***ropsychiatry Institute. The study will ***itially focus on what makes hea***hy children l***gh， us***g class*** car***ons， tele***sion ***ws and class*** ******dy films， and then g***g***g the reactions of the children.

　　The study will then use the programs that ***duce the most l***ghter *** test immu*** system responses *** young patients. If a po***ive biolog***al response *** l***ghter is found， the car***ons， TV ***ws and films ***uld be ******rp***at*** ****** the alle***ate stress and fear and promote faster hea***ng， a******d***g *** the researchers.

　　“We u***imately hope *** help children who are hospita***z*** and recei***ng treat***nt f*** cancer and AIDS， serious ill***sses *** wh***h the immu*** system is ***tal， and impro***ng it ***uld be ***fes*****g，” said Stuber.

　　“We h**e a pretty ***od idea about the impact that l***ghter and hum*** can h**e on a persons wellbe***g，” said researcher Dr. Lonnie Ze***zer， profess*** of p***iatr***s and a***sthesiology and direc***r of the p***iatr*** pa*** program at the Mattel Childrens Hospital at UCLA. “But no o*** has really look*** with any depth at the possible biolog*** ***nks among hea***h， h*****g a ***od sense of hum*** and even the act of l***ghter itself. Well study the impact that both hum*** and l***ghter h**e on the immu*** system and pa*** transmission and ***ntrol”。

　　Stuber and Ze***zer will head up Rx L***ghter， found*** over a year a*** by Sherry Hilber， a Beverly Hills enterta******nt executive who is its executive direc***r. Hilber said class*** films featur***g Abbott & ***stello， the Marx Brothers， W. C. Fields， Char***e Chap***n and Buster Kea***n h**e been select*** f*** the study. Class*** tele***sion ***ws such as M***k & M***dy， Lets Make A Deal and The F***nts******s are also on the roster.

　　“Our cho***es will be ref****** over the ***xt few years，” said Hilber. “When you watch so***th***g privately， you might l***gh differently than you would with*** a group， and these th***gs ****** *** be taken ****** ***nsideration bec***se this has ***ver been test*** *** a hospital bef***e.”

　　If the study proves that l***ghter and ***d******e do prompt po***ive physiolog***al responses， the researchers hope *** ***tegrate them ****** treat***nt proc***ures f*** young patients. Stuber ***nclud*** that such ***tegration of ***nventional ***d******e and l***ghter would represent a philosoph***al and structural change *** the way ***d******e is pract****** at UCLA.

　　1. The most appropriate title f*** this passage is

　　A. study *** Expl***e L***ghter As Adjunct *** M******al Treat***nt.

　　B. l***ghter May Really Be Us*** As a M*********e.

　　C. the Impact of L***ghter and Hum***.

　　D. the Integration of ***nventional M*********e and L***ghter.

　　2. The direct aim of “Rx L***ghter” is

　　A. *** s**e ***ves of children by impro***ng their immu*** systems.

　　B. *** r***uce pa*** and fear *** children who suffer*** from serious ill***sses.

　　C. *** test what makes hea***hy children l***gh.

　　D. *** test immu*** system responses *** children.

　　3. From the passage we can know that

　　A. Children will be s***** from dy***g once their immu*** system is improv***.

　　B. People h**e not****** the impact l***ghter h**e on their hea***hy ***ndition.

　　C. No o*** has ever thought that there can be any biolog***al relation between hea***h and l***ghter.

　　D. L***ghter will be ***mb****** with ***d******e as a ***d***al treat***nt at UCLA.

　　4. The w***d “alle***ate” *** paragraph 3 can be replac*** by

　　A. remove.B. over******.C. ease.D. **oid.

　　5. We can ***fer from the text that Beverly Hills is probably

　　A. a k***d of ***ol f*** enterta******nt.

　　B. a place where famous film stars assemble.

　　C. a ***d***al ***stitution.

　　D. a research ***mpany.

　　Passage 3

　　Lets hear f*** wr***klesf*** those fabulous frown ******s and highk***k***g crowsfeet. What crucial moods they so subtly express！ With a s***ght tighten***g of the sk*** between the eyebrows， bosses can ***mmun***ate killer exasperation. Moms， salesclerks and 30ish wo***n at s***gle bars can signal displeasure without rais***g their vo***es. And ***nsider the alpha male： why， C***nt Eastwood with an u********* face would just be……D***k Clark. Wr***kles were surely what Ge***ge Orwell had *** m***d when he wrote that at 50 everyo*** has the face he deserves.

　　That Orwellhe said so *** 1984. Today， when youth is a secular re***gion and a huge ***dustry， you can choose your f*****ite age and， with the help of wonder drugs， stay there. So lets jo*** the 21st century and hear it f*** Bo***x， wh***h may soon guarantee that at 50 everyo*** will h**e the face she， *** he， can aff***d.

　　Bo***x： ***rt f*** botu***num ***x***. The na*** wont make you smile， but the ***jection can keep you from frown***g. A decade a***， the ***x*** that c***ses botu***sm （a f***m of food poison***g） was a treat***nt o***y f*** spasmod*** proc***ure， with m***e than a mil***on ***jections *** 2000 （a******d***g *** the USAn Society f*** Aesthet*** Plast*** Surgery）， 89% of them *** wo***n. Bo***x is just the th***g *** erase w***ry and anger ******s， *** take years and cares off the most fretful ***sage. And all f*** $300 — $1000 a ***t， ***mpar*** with a $15000 face***ft. “Advertisers can present this as a face***ft *** a bottle，” says N***man Sh***r， a Beverly Hills plast*** surgeon. “This is a true miracle drug. It really w***ks”。

　　The Food and Drug Adm***istration may ***rtly agree. Bo***x， made by the Ir******， Ca***f***nia， pharmac***t***al firm Allergan， is expect*** *** w*** FDA approval — but o***y f*** remo***ng frown ******s， not f*** the full facial makeover. A******d***g *** a source close *** Allergan， if the ***mpany had app****** f*** mu***iple places *** use Bo***x， it would h**e been requir*** *** ***nduct m***e expensive c***n***al test***g. Either way， doc***rs will still ***ject you all over.

　　Any miracle has skept***s， and Bo***x has ear***d its share. Dr. Robert Butler， president of the International Longe***ty Center， w***ries that “no o*** will look as if they h**e facial expressions” and that repeat*** use of the drug， wh***h requires an ***jection every few months， ***uld “create a psycholog***al dependence”。 Downmarket c***n***s ***uld flourish， offer***g the drug f*** $100 by dilut***g it， thus c***s***g creepy side effects. Dr. Debra Ja***man， a derma***logist who teaches a Bo***x ***urse at Manhattans Mount S***ai， is a propo***nt of the drug but has ***rrect*** nasty ***mp***cations from other doc***rs misapp****** ***jection： “Eye***d droop； slurr*** speech， as if theyve had a stroke； droop*** mouth； asym***tr***al f***ehead； eyes that dont shut”。

　　Warn***g wont scare off the folks *** Hollywood. “I ***ve *** a ***wn ***mpletely devot*** *** vanity，” says writer actress Carrie Fisher， 45， who has been Bo***x***g f*** five years. “It irons out the wr***kles. Youd ***ver know I was man***depressive.” Danny Bonaduce， 42， a child ac***r （The Partridge Family） tur***d *** — host of The Other Half， was a***ompany***g his wife *** a Bo***x session when her doc***r ask*** him if he want*** so***. “Three days after I did it， D***k Clark said *** ***， 'You look 10 years younger！’。 With Bo***x， people cant really tell what youve do***， just that you look better”。

　　But the trend has spread beyond the be***tyfanat*** ***dia w***ld. Patty Rei***rdes， 50， a div***c*** mother of two from Queens， New Y***k， had her first Bo***x proc***ure last week and pronounces herself pleas***. Rei***rdes says she doesnt m***d be***g 50： “I just dont want *** look 50”。 And so what if your face freezes up a ***ttle？ As Fisher notes， “Its ***od f*** poker”。

　　Of ***urse， if everyo*** gets Bo***x***， the m******ity now us***g the drug will lose its ***mpetitive ***ge； no o*** will look younger *** m***e sere*** than anyo*** else. But then， who cares if youre unhappy， as long as youre ***capable of ***w***g it？

　　1. Whats the ma*** idea of the first paragraph？

　　A. Wr***kles can easily betray that you are not *** a ***od mood.

　　B. We ***uld ***sten *** others talk about wr***kles.

　　C. Everyo*** deserves a face with wr***kles when he gets old.

　　D. We can express displeasure by just tighten***g the sk***.

　　2. Whats FDAs op***ion about the use of Bo***x？

　　A. Appro***ng by ***mit***g the s***pe of its use.

　　B. Appro***ng just f*** a ***rt ti***.

　　C. Appro***ng at the ***ndition that Bo***x will spend m***e mo***y on research.

　　D. Disappro***ng on any ***ndition if Bo***x is ******g *** be app****** *** the full facial makeover.

　　3. What can we learn from the first sentence of paragraph 5？

　　A. Bo***x has ga****** a lot of mo***y though it is much crit***iz***.

　　B. Usually there are always so*** people who will express doubts on miracles， but Bo***x is an excerption.

　　C. Bo***x， ***ke any other miracles， is war***d aga***st its drawbacks by so*** people.

　　D. Bo***x has ga****** as much reputation as any other miracles.

　　4. A******d***g *** Dr.Robert Butler， wh***h of the follow***g ***nsequences of us***g Bo***x is true？

　　A. Peoples faces will be unable *** move.

　　B. Bo***x of low qua***ty and low pr***e will be pro***d*** and thus may ***duce disastrous bad effects.

　　C. So*** doc***rs may apply the ***jection wrongly.

　　D. People will be ***volv*** *** a psycholog***al ill***ss.

　　5. What is the ***th***s attitude ***wards Bo***x？

　　A. sarcast***B. appro***ng C. ***utralD. crit***iz***g

　　Passage 4

　　“I h**e great ***nfidence that by the end of the decade we shall know *** vast detail how cancer cells arise，” says MIT m***robiologist Robert We***berg， o*** of the first *** p***po***t the ge*** responsible f*** a specif*** cancer. But， he c***tions， “so*** people h**e the idea that once o*** understands the c***se， the cure will rapidly follow. ***nsider Past***r. He dis***ver*** the c***ses of many k***ds of ***fections， but it was fifty *** sixty years bef***e cures were **ailable”。

　　With as many as 120 varieties *** existence， dis***ver***g how cancer w***ks is not easy. The quest ga****** mo***ntum *** the early 1970s， when researchers p***po***t*** an on***ge*** f*** the first ti***. On***ge***s， wh***h are cancerc***s***g ge***s， are ***active *** n***mal cells. Anyth***g from ***sm*** rays *** radiation *** diet *** a sponta***ous mutation may activate a d***mant on***ge***， but how rema***s unknown. If several on***ge***s are ***ad*** ****** action， the cell， unable *** turn them off， be******s cancerous.

　　The exact ***chanisms ***volv*** are still mysterious， but the ***ke***hood that many cancers are ***itiat*** at the level of the ge***s suggests that we will ***ver prevent all cancers. “Mutations are a n***mal part of the evolutionary process，”“says on***logist Wil***am Hayward of Mem***ial SloanKetter***g Cancer Center， recipient of the 1985 Bris***lMyers Award f*** Dist***guish*** Achieve***nt *** Cancer Research. En***ron***ntal fac***rs can ***ver be ***tally e***m***at***； as Hayward po***ts out， ”we can not prepare a va******e aga***st ***sm*** rays“。

　　The prospects f*** cure， though still distant， are brighter. J. M***hael Bi***p， a m***robiologist at the Univer***y of Ca***f***nia， San Francis***， and o*** of the dis***verers of the first pro***on***ge***， the “switch” that turns n***mal cells cancerous， suggests the follow***g approach：“First， we ****** *** understand how the n***mal cell ***ntrols itself. Se***nd， we h**e *** determ***e whether there are a ***mit*** number of ge***s *** cells， wh***h are always responsible f*** at least part of the trouble. If ge***t*** damage is at the heart of every cancer， wh***h are the active ge***s？ If we can understand how cancer w***ks， we can ***unteract its action”。

　　F*** Robert We***berg， the most ***kely ***thod *** yield resu***s *** the long term is *** dis***ver the biochem***al reactions *** a cell that *** away. “We will dis***ver *** the ***xt several years the biochem***al changes that on***ge***s ***duce *** the cell.” He says， “this will make it possible *** beg*** *** develop， *** a rational way， various pharma***log***al approaches *** the problem”。

　　“Well ****** ***w ***f***mation *** bas*** cell biology at the 哈佛大学 School of Pub***c Hea***h. ”But if o*** takes it out as far as fifty *** a hundr*** years， I th***k we ***uld be able *** get rid of it“。

　　1. When Robert ***ntio***d Past***r， he ***d***at*** that

　　A. the cure would rapidly follow， once the c***se had been found.

　　B. it would be a long ti*** bef***e cures are **ailable， though we had ***tten the c***se.

　　C. it was impossible f*** us *** understand the c***se of cancer.

　　D. we were at a loss *** ***nquer cancer.

　　2. Wh***h of the follow***g state***nts is WRONG about on***ge***s？

　　A. On***ge***s， wh***h are ***active *** n***mal cells， may c***se cancer.

　　B. They may be activat*** by anyth***g， ***clud***g ***sm*** rays， radiation， diet， and a sponta***ous mutation.

　　C. How they are activat*** rema***s unknown.

　　D. Any s***ghtest change of on***ge*** will make the cell cancerous.

　　3. It can be lear***d from paragraph 3 that

　　A. we would prevent all k***d of cancer if the va******e aga***st ***sm*** rays were found.

　　B. so*** unstable en***ron***ntal fac***rs make the mutation possibly o***ur.

　　C. by the w***ds of Wil***am， we learn that no*** of cancers can be prevent***， f*** mutations are n***mal.

　　D. ***sm*** rays is the most imp***tant en***ron***ntal fac***r.

　　4. J. M***hael Bi***p suggest*** several approaches ***clud***g

　　I. Understand how the n***mal cell ***ntrols itself.

　　II. Determ***e whether there are a ***mit number of ge***s *** cells， wh***h are always responsible f*** at least part of the trouble.

　　III. Dis***ver the biochem***al reaction *** a cell that ***es away.

　　A. I and IIB. II and III C. I， II and IIID. II o***y

　　5. A******d***g *** the whole passage we learn that the attitude of the ***th*** ***ward the approaches of the cancer is

　　A. pessimist***. B. useless. C. optimist***.D. crit***al.

　　Keys and notes f*** the passage read***g：

　　Passage 1

　　本文重要讲互联网黑客和人们对俄罗斯黑客大概介入个中的疑虑。

　　Russias reputation as ho*** *** so*** of the w***lds most gift*** and de***ous hackers was unders***r*** last month when M***rosoft ***rp. disclos*** that passw***ds *** a***ess its ***vet*** source ***de had been sent from the ***mpany ***tw***k *** an email address *** St. Petersburg. 俄罗斯一直被人看作是全球上最有才干、最奸诈的一些黑客的家乡。因为上月微软企业表露，进入其让人垂涎的物资码的命令被人从该企业的互联网传到了圣彼得堡的一个email地点，人们对这一点加倍确信无疑。

　　1. 「B」文章第一段a darker s***t of not***e就指出***的不但彩的称号，第2段更清晰诠释了。其他3项表述都差错。

　　2. 「A」that doesnt s***p Russian hackers from puff***g out their chests at such exploits是说俄罗斯黑客为此探险而加倍得意忘形。

　　3. 「D」从文章倒数第4段特别是最初一句能够得出此论断。其他3项表述都有差错。

　　4. 「A」high — profile意为出风头。

　　5. 「D」倒数第3段有阐明。

　　Passage 2

　　本文是对笑可否作为一种医学科学帮助疗法而做的研讨。

　　If a po***ive biolog***al response *** l***ghter is found， the car***ons， TV ***ws and films ***uld be ******rp***at*** ****** the alle***ate stress and fear and promote faster hea***ng， a******d***g *** the researchers. 据研讨职员说，假如发觉笑所引发的生物学上的回应是使人中意的，那末正在对小病人的医治历程中，就会同时使用***片，电视机节目和影片，以减缓焦虑和惧怕，减速恢复。

　　1. 「A」通观全文，A项表述最贴切全方位，其他表述都全面或切题。

　　2. 「B」从文章第3段可得出论断。A是终极宗旨，不是间接宗旨。C，D都不是宗旨。

　　3. 「B」文章第5段已阐明。A，B，C表述差错。

　　4. 「C」alle***ate指减缓

　　5. 「B」Beverly Hills是usa加洲南部都市，好莱坞影星会萃地。从前面的内容也能够判断出它是与影片相关的消遣场合。Passage 3

　　本文讲的是一种新的“奇妙药物”－Bo***x，它能打消皱纹、担心，可能还能变更你的个性。

　　1. Lets hear f*** wr***klesf*** those fabulous frown ******s and highk***k***g crowsfeet. 让咱们为皱纹——为那些骇人的仰头纹和高挑的眼角纹——而喝彩拍手吧。

　　2. Any miracle has skept***s， and Bo***x has ear***d its share. Dr. Robert Butler， president of the International Longe***ty Center， w***ries that “no o*** will look as if they h**e facial expressions” and that repeat*** use of the drug， wh***h requires an ***jection every few months， ***uld “create a psycholog***al dependence”。 任一事业城市有人疑虑，“保妥适”也不破例。世界短命中央**罗伯特·巴特勒博士忧虑“大家看下来都不了脸部神情”，还忧虑反复利用该药物（它需求每隔数月就打针一回）会令人发生“心态依靠”。

　　3. Downmarket c***n***s ***uld flourish， offer***g the drug f*** $100 by dilut***g it， thus c***s***g creepy side effects价廉次质的还大概靠今生意昌盛，将浓缩的药物以100美圆的价钱售出，从而招致危言耸听的反作用。

　　1. 「A」其他3项表述差错。

　　2. 「A」从第4段第一句话得悉。闭键是领悟***rtly（非常快）的意义。B、C、D表述都错。

　　3. 「C」由第5段可得解答。

　　4. 「B」由第5段及难句剖析3可知。

　　5. 「B」由原文最起始的表述和最初一段可知作者立场是支持支持的。

　　Passage 4

　　这是一篇相关医治癌症的大自然迷信文章， 作者提出了癌症治愈的大概性， 分析致癌缘故， 从而阐明癌症治愈的困难性，但整体是豁达的。

　　1. ……but the ***ke***hood that many cancers are ***itiat*** at the level of the ge***s suggests that we will ***ver prevent all cancers. 可是众多癌症非常大概肇始于基因要素，这标明咱们永恒也不克不及做到对所有癌症的防备。

　　2. Se***nd， we h**e *** determ***e whether there are a ***mit*** number of ge***s *** cells wh***h are always responsible f*** at least part of the trouble. 第2， 咱们必需断定细胞内是不是生存必定数目的基因，最少是引发癌症的全体原因。

　　3. F*** Robert We***berg， the most ***kely ***thod *** yield resu***s *** the long term is *** dis***ver the biochem***al reactions *** a cell that *** away. 对罗伯特·温伯格来讲， 临时无效的最可行的举措是去发觉细胞内特别的生化回应。

　　4. “But if o*** takes it out as far as fifty *** a hundr*** years， I th***k we ***uld be able *** get rid of it”。假如咱们瞻望从此510年或一百年， 我以为咱们必定可以开脱癌症。

　　1. 「B」从第一段最初一句话可得出解答。

　　2. 「D」文章第3段指出：癌基因正在一般细胞中其实不沉闷，以是D的说法是差错的。

　　3. 「B」此段最初一句话指出，假如有几个癌基因被激活，那末这个癌细胞因为不克不及制止这些癌基因的效用就会癌变。其他选项表述有误。

　　4. 「A」文章倒数第3段有具体诠释。

　　5. 「C」经由过程文章最初的话，咱们能够看出作者是持豁达立场的。