PETS-5模拟试卷1

1、PETS 5模拟试卷（1）Section Listening (15 minutes)Section Use of English (15 minutes)Read the following text and fill each of the numbered spaces with ONE suitable wordWrite your answers on ANSWER SHEET 1You may say that the business of marking books is going to slow down your reading(31) _probably willTha

2、ts one of the(32)_for doing itMost of US have been taken in by the notion that speed of (33) is a measure of our intelligenceThere is(34) _such things as the fight(35) _for intelligent readingSome things should be(36) _quickly and effortlessly，and some should be read (37) _and even laboriouslyThe si

3、gn of intelligence(船) _reading is the ability to read (39) _things differently according to their worthIn the(40) _of good books，the point is not to see how many of them can you get through，(41) _how many Can you get through them-how many you Can (42) _your ownA few friends are(43) _than a thousand

4、acquaintancesIf this be your goal， (44) _it should be，you will not be impatient if it takes more time and effort to read a great book than a newspaper(45) _ You may have another objection to(46) _booksYou Cant lend them to your friends(47) _ nobody else call read them(48) _being distracted by your n

5、otesWhats more，you wont want to lend them because a(49) _copy is a kind of intellectual diary，and(50) _it is almost like giving your mind away If your friend hopes to read your Shakespeare，or The Federalist Papers，tell him，gently but firmly，to buy a copy You will lend him your car or your coatbut yo

6、ur books are as much a part of you as your head or your heart.Section Reading Comprehension (50 minutes)Part A：Read the following texts and answer the questions which accompany them by choosing A，B，C or DMark your answers on ANSWER SHEET 1Text 1Gene therapy and gene based drugs are two ways we could

7、 benefit from Our growing mastery of genetic science But there will be others as wellHere is one of the remarkable therapies on the cutting edge of genetic research that could make their way into mainstream medicine in the coming years While itS true that just about every cell in the body has the in

8、structions to make a complete human，most of those instructions are inactivated，and with good reason：the last thing you want for your brain cells is to start churning out stomach acid or your nose to turn into a kidneyThe only time cells truly have the potential to turn into any and all body parts is

9、 very early in a pregnancywhen so-called stem cells havent begun to specialize Yet this untapped potential could be a terrific boon to medicineMost diseases involve the death of healthy cells-brain cells in Alzheimers，cardiac cells in heart disease，pancreatic cells in diabetes，to name a few；if docto

10、rs could isolate stem cells，then direct their growth，they might be able to furnish patients with healthy replacement tissue It was incredibly difficult，but last fall scientists at the University of Wisconsin managed to isolate stem cells and get them to grow into neural，gut，muscle and bone cellsThe

11、process still cant be controlled，and may have unforeseen limitations；but if efforts to understand and master stem cell development prove successful，doctors will have a therapeutic tool of incredible power The sanle applies to cloning，which is really just the other side of the coinTrue cloning，as fir

12、st shown with the sheep Dolly two years ago，involves taking a developed cell and reactivating the genome within，resetting its developmental instructions to a pristine stateOnce that happens，the rejuvenated cell can develop into a fullfiedged animal，genetically identical to its parent For agriculture

13、in which purely physical characteristics like milk production in a cow or low fat in a hog have real market value，biological carbon copies could become routine within a few yearsThis past year scientists have done for mice and cows what Ian Wilmut did for Dolly，and other creatures are bound to join

14、the cloned menagerie in the coming year Human cloning，on the other hand，may be technically feasible but legally and emotionally more difficult Still，one day it will happenThe ability to reset body cells to a pristine，undeveloped state could give doctors exact： ly the same advantages they would get f

15、rom stem cells：the potential to make healthy body tissues of all sorts，and thus to cure diseaseThat could prove to be a true“miracle cure” 51The writer holds that the potential to make healthy body tissues will_ Aaggravate moral issues of human cloningBbring great benefits to human beingsChelp scien

16、tists decode body instructionsDinvolve employing surgical instruments52The word“rejuvenated”(Para5)most probably means_ Amodified BrecolicctedCclassified Dreactivated53The research at the University of Wisconsin is mentioned to show_ Athe isolation of stem cellsBthe effects of gene therapiesCthe adv

17、antages of human cloningDthe limitations of tissue replacepmnts54Which of the following is true according to the text?AThe principle of gene therapy is applicable to that of cloning BThe isolation of stem ceils is too difficult to be feasible CIt is reasonable for all body instructions to be activat

18、ed DCloned animals will eventually take control of the world 55Towards the genetic research，the authors attitude can best be said to be that of_ A frustration BindifferenceCamazementDoppositionText 2The caterpillars inventor，Norihiko Saga of Akita Prefectural University in Japan，will demonstrate his

19、 new method of locomotion at a conference on magnetic materials in SeattleIn addition to lights and cameras，a search caterpillar could be equipped with an array of sensors to measure other factors-such as radioactivity or oxygen levelsthat could tell human rescuers if an area is safe to enter The ma

20、gnetic caterpillar is amazingly simpleIt moves by a process similar to peristalsis，the rhythmic contraction that moves food down your intestineSaga made the caterpillar from a series of rubber capsules filled with a magnetic fluid consisting of iron particles，water，and a detergentlike surfactant，whi

21、ch reduces the surface tension of the fluid：Each capsule is linked to the next by a pair of rubber rodsThe caterpillars guts are wrapped in a clear，flexible polymer tube that protects it from the environment To make the caterpillar move forwards，Saga moves a magnetic field backwards along the caterp

22、illarInside the caterpillars“head”capsulemagnetic fluid surges towards the attractive magnetic field，causing the capsule to bulge out to the sides and draw its front and rear potions upAs the magnetic field passes to the next capsule，the In'st breaks free and springs forward and the next capsule

23、 bunches upIn this way，the caterpillar Call reach speeds of 4 centimeters per second as it crawls along Moving the magnetic field faster can make it traverse the caterpillar before all the capsules have sprung back to their original shapesThe segments then all spring back，almost but not quite simult

24、aneously Saga plans to automate the movement of the caterpillar by placing electromagnets at regular intervals along the inside of its polymer tubeBy phasing the current flow to the electromagnets，hell be able to control it wirelessly via remote controlHe also needs to find a new type of robber for

25、the magnetic capsules，because the one hes using at the minute eventually begins to leak But crawling is not the most efficient form of locomotion for robots，says Roben Full of the University of Cali fomia at Berkeleyan expert in animal motion who occasionally advises robotics designers“If you look a

26、t the ener- getic cost of crawling，compared to walkig，swimming or flying，crawling is very expensive，”he saysWalking， on the other every step，energy is conserved in the foot and then released to help the foot spring up Saga acknowledges this inefficiency but says his caterpillar is far more stable th

27、an one that walks，rolls on wheels or fliesIt has no moving parts save for a few fluidfilled rubber capsulesBiped robots and wheeled robots require a smooth surface and are difficult to miniaturize，and flying rob6ts have too many moving parts “My peri- staltic crawling robot is simple and it works，”h

28、e says 56From this passage，we can learn that_ Aa robotic caterpillar can crawl by a pair of rubber rodsBwhen a caterpillar moves，the magnetic field movies backwards along itCthe environment couldnt influence a robotic caterpillars guts，which are wrapped in a capsuleDcrawling is very stable and effic

29、ient，and when it moves，only a few elements are needed57According to this passage，which is not true about the construction of the robotic caterpillar?AA robotic caterpillar is made from a series of rubber capsules filled with a magnetic fluid BIron particles，water，and a detergent-like surfactant form

30、 a magnetic fluid CEach capsule filled with a magnetic fluid is linked to the next by a pair of rubber rods DIn order to keep stable condition，the caterpillars guts are wrapped in a clear，flexible polymer tube 58The meaning of the word“peristalsis”in Paragraph 3 is similar to_ Aswimming BflyingCcraw

31、ling Dwalking59Comparing the robotic caterpillar and the other robots，which of the following is not true?AA smooth surface is indispensable to biped robots and wheeled robots BFlying robots are very inconvenient when moving，because they have too many moving parts CThe robotic caterpillar only has ru

32、bber capsules filled with a magnetic fluid DIts incapable for wheeled robots to locate trapped people because they are impossible to miniaturize 60The passage is mainly about_ Awhy a robotic caterpillar Call find trapped peopleBhow a robotic caterpillar worksCthe instruction of the magnetic caterpil

33、larDhow a robotic caterpillar crawlsText 3Could the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March， the price of crude oil has jumped to almost$26 a barrelup from less than$10 last DecemberThis neartripling of oil prices calls up scary memories of the 19

34、73 0il shock，when prices quadrupled，and 197980，when they also almost tripledBoth previous shocks resulted in doubledigit inflation and global economic declineSo where are the headlines warning of gloom and doom this time?The Oil price was given another push up this week when Iraq suspended oil expor

35、tsStrengthening economic growth，at the same time as winter grips the northern hemisphere，could push the price higher still in the short term Yet there ale good reasons to expect the economic consequences now to be less severe than in the l970sIn most countries the cost of crude oil now accounts for

36、a smaller share of the price of petrol than it did in the l970sIn Europe，taxes account for up to fourfifths of the retail price，so even quite big changes in the price of crude have a more muted effect on pump prices than in the past Rich economies are also less dependent on oil than they wereand so

37、less sensitive to swings in the oil price Energy conservation，a shift to other fuels and a decline in the importance of heavy，energyintensive industries has reduced oil consumptionSoftwareconsultancy and mobile telephones use far less oil than steel or car production For each dollar of GDP(in consta

38、nt prices)rich economies now use nearly 50less oil than in 1973The OECD estimates in its latest Economic Outlook that，its oil prices averaged$22 a barrel for a full year，compared with $13 in 1998,this would increase the oil import bill in rich economies by only 02505of GDPThat is less than one-quart

39、er of the income loss in 1974 0r 1980On the other hand，oil-importing emerging economies-to which heavy industry has shifted-have become more energy-intensive，and so could be more seriously squeezed One more reason not to lose sleep over the rise in oil prices is that，unlike the rises in the 1970s，it

40、 has not oc carred against the background of general commodityprice inflation and global excess demandA sizable portion of the world is only just emerging from economic declineThe Economists commodity price index is broadly unchang ing from a year a90In 1973 commodity prices jumped by 70and in 1979

41、by almost 30 61The main reason for the latest rise of oil price is_ Aglobal inflationBreduction in supplyCfast growth in economyDIraqs suspension of exports62It call be inferred from the text that the retail price of petrol will go up dramatically if_ Aprice of crude risesBcommodity prices riseCcons

42、umption risesDJ oil taxes rise63The estimates in Economic Outllok show that in rich countries_ A heavy industry becomes more energy-intensiveBincome loss mainly results from fluctuating crude oil pricesCmanufacturing industry has been seriously squeezedDoil price changes have no significant impact o

43、n GDP64We can draw a conclusion from the text that_ Aoilprice shocks are less shocking nowBinflation seems irrelevant to oilprice shocksCenergy conservation can keep down the oil pricesDthe price rise of crude leads to the shrinking of heavy industry 65From the text we can see that the writer seems_

44、 Aoptimistic BsensitiveCgloomy DscaredPart B：In the following article some paragraphs have been removedFor Questions 6670，choose the most suitable paragraph from the list AF to fit into each of the numbered gaps：There is one paragraph which does not fit in any of the gapsMark your answers on ANSWER

45、SHEET 1.For a child，happiness has a magical natureI remember making hideouts in newly-cut hay，playing cops and robbers in the woods，getting a speaking part in the school playOf course，Kids also experience lows，But their de light at such peaks of pleasure as winning a race or getting a new bike is un

46、reserved In the teenage years the concept of happiness changesSuddenly its conditional on such things as excitement love，popularity and whether that zit will clear up before nightI can still feel the agony of not being invited to a party that almost everyone else was going toBut I also recall the ec

47、stasy of being plucked from obscurity at another event to dance with a John Travolta lookalike 66._My dictionary defines happy as“lucky”or“fortunate”，But I think a better definition of happiness is“the capacity for enjoyment”The more we can appreciate what we have，the happier we areIts easy to overl

48、ook the pleasure we get from loving and being loved，the company of friends，the freedom to live where we please，even good health 67_Later，peace descended again，and my husband and I enjoyed another pleasure-intimacySometimes just the knowledge that he wants can bring me joy You never know where happin

49、ess will turn up nextWhen I asked friends what made them happy，some mentioned apparently insignificant moments“I hate shopping，”0ne friend said，“but theres a clerk who always chats and really cheers me up” 68_I get a thrill from drivingOne day I stopped to let the school bus turn onto a side roadThe

50、 driver grinned and gave me a thumbs-up signWe were two allies in the world of mad motoristsIt made me smile 69_Psychologists tell us that to be happy we need a mixture of enjoyable leisure time and satisfying workI doubt that my great grandmother，who raised l4 children and took in washing，had none

51、of eitherShe did have a network of close friends and families，and maybe this is what fulfilled herIf she was content with what she had，perhaps it was because she didnt expect life to be very different 70_While happiness may be more complex for us，the solution is the same as everHappiness isnt about

52、what comes to usits about how we perceive what comes to usIts the knack of finding a positive for every negative and viewing a setback as a challengeIts not wishing for what we havent had，But enjoying what we do possess AAnother friend loves the telephone“Every time it rings，I know someone is thinki

53、ng about me” BWhen we think about happiness，we usually think of something extraordinary，a pinnacle of sheer delight and those pinnacles seem to get rarer the older we get CIn adulthood tlle things that bring profound joybirm，love，marriage-also bring responsibility and the risk of lossLove may not la

54、st，sex isnt always good，loved ones dieFor adults，happiness is complicated DWe，on the other hand，with so many choices and such pressure to succeed in every area，have changed happiness into one more thing we“gotta have”Were so self-conscious about our“right”to it that its making us miserableSo we chas

55、e it and equate it with wealth and success，without noticing that the people who have those things areat necessarily happier EI added up my little moments of pleasure yesterdayFirst there was sheer bless when I shut the last lunchbox and had the house for myselfThen I spent an uninterrupted morning w

56、riting，which I loveWhen the kids came back home，I enjoyed their noise after the quiet of the whole day FWe all experience moments like theseToo few of us register them as happinessPart C：Answer Questions 7180 by referring to the following gamesNote：Answer each question by choosing A，B，C or D and mar

57、k it on ANSWER SHEET 1Some choices may be required more than onceWhich game ·is sold well? 71_·allows gamers to select games with equalcaliber opponents? 72_·is probably frightening? 73_·offers some more ways to destroy what the players have built? 74_·seems difficult to save the game? 75_·has no easy track for the game? 76_·enables pl