2021青海工程硕士(GCT)考试考前冲刺卷（8）.docx

2021青海工程硕士(GCT)考试考前冲刺卷（8）本卷共分为1大题50小题，作答时间为180分钟，总分100分，60分及格。一、单项选择题（共50题，每题2分。每题的备选项中，只有一个最符合题意） 1.设1，2，s，是线性相关的n维向量组，则_A可由1，2，s线性表示B不可由1，2，s线性表示C若秩r(1，2，s，)=s，则可由1，2，s线性表示D若1，2，s线性无关，则可由1，2，s线性表示 2.若(2x-1)6(2-3x)9=a0x15+a1x14+a15，则a0+a1+a2+a14=_A-1-29B-29C1-29D215 3.A是4阶矩阵，设A=(1，2，3，4)，其中向量组2，3，4线性无关，且1=32-23，则齐次线性方程组AX=0_A有非零解，且通解为X=k(1，-3，2，0)T(k为任意实数)B有非零解，且通解为X=k(1，-3，-2)T(k为任意实数)C有非零解，且通解为X=k(1，-2，3，1)T(k为任意实数)D只有零解 4.4名男生2名女生站成一排，要求两名女生不站在两端，则不同排法的种数为_A48B96C144D288 5.设A1，A2，A3为三个独立事件，且P(Ak)=p(k=1，2，3，其中0p1)，则这三个事件不全发生的概率是_A(1-p)3B3(1-p)C(1-p)3+3p(1-p)D3p(1-p)2+3p2(1-p) 6.甲花费50000元购买了股票，随后他将这些股票转卖给乙，获利10%，不久乙又将这些股票返卖给甲，但乙损失了10%，最后甲按乙卖给他的价格的9折把这些股票卖掉了，不计交易费，甲在上述股票交易中_A不亏不盈B盈利50元C盈利100元D亏损50元 7.作y=x3的切线，则切线与曲线y=x3及x轴在第一象限围成的面积是_A6.25B8C7.25D6.75 8.甲盒内有红球4只，黑球2只，白球2只；乙盒内有红球5只，黑球3只；丙盒内有黑球2只，白球2只从这三只盒子的任意一只中任取出一只球，它是红球的概率是_A0.5625B0.5C0.45D0.375 9.A是4×5的矩阵，且A的行向量组线性无关，则正确的有_ (1)ATX=0只有0解； (2)ATAX=0必有非0解； (3)ATAX=b必无解； (4)对于任意四维向量b，AX=b总有无穷多解；A(1)(2)(3)B(1)(2)C(1)(2)(4)D(2)(3)(4) 10.设4×3矩阵A的秩rA=2，B=，则r(AB)=_(A) 0B1C2D3 11.The car _ halfway for no reason.Abroke offBbroke downCbroke upDbroke out 12.Operations which left patients _ and in need of long periods of recovery time now leave them feeling relaxed and comfortable.AexhaustedBabandonedCinjuredDdeserted 13.A _ to this problem is expected to be found before long.AresultBresponseCsettlementDsolution 14.The newcomers found it impossible to _ themselves to the climate sufficiently to make permanent homes in the new country.AsuitBadaptCregulateDcoordinate 15.If she doesn't tell him the truth now, he'll simply keep on asking her until she _.AdoesBhas doneCwill doDwould do 16.The patient's health failed to such an extent that he was put into _ care.AtenseBrigidCintensiveDtight 17.He hoped the firm would _ him to the Paris branch.AexchangeBtransmitCtransferDremove 18.He _ with Smith at least four times in the past three years.Ahas been seen to meetBwas seen to meetChad been seen meetingDis seen meeting 19.No one had told Smith about _ a lecture the following day.Athere beingBthere beCthere would beDthere was 20.Floods cause billions of dollars worth of property damage _.ArelativelyBactuallyCannuallyDcomparatively 21.Customer: Can I try this dress on, pleaseSaleswoman: _AOf course, try it on in the fitting room, please.BThis dress is on sale for half its regular price.CTry it on, then. You don't need to ask.DSure, the fitting rooms are next to the stairs. 22.A: Is there any chance of borrowing your typewriterB: _A: Until the end of the week.B: Yes, I think that would be all right.AHow long forBI bet I like it.CI don't think I agree with you.DI'm sorry, but I've got nothing to let. 23.A: Haven't we met somewhereB: No, I don't think so.A: Aren't you Kevin GrantB: No, my name's Greg. Greg Brown.A: _AI've had enough, thank you.BI'm sorry, but I've got nothing to let.COh, I'm sorry. I was positive we'd met before.DI think otherwis 24.Michael: Hello, may I speak to TerryBob: I'm sorry but Terry is not in now. _AGive him a call later.BThis is his colleague.CMay I take a messageDHave you got a word for him 25.A: I wonder whether you could put my friend up for a few daysB: Tell me when.A: Next weekend actually.B: _AI've found it very easy.BWhat are you doing hereCLet me think it over, and I'll tell you later.DI've got an appointment at 11. 26.A: This is one of a pair, isn't itB: Yes, madam.A: Well, can I see the other one, pleaseB: _ACertainly, madam, here it is.BFancy meeting you here.CThat's right, but you are late.DHow can I help you 27.James: How is your sun burn todayJane: It's much better. The cream you gave me is of great help.James: _AYou should thank me for that.BI know it will work.CI'm glad to hear that.DI got the recipe from my grandm 28.Tom: Hey, it.it must be Susie. How are you, Susie This is Tom. Tom Cook.Susie: Oh, hi, Tom. _AFancy meeting you here.BNice to meet you.CWelcome back.DWhat are you doing here 29.A: Would you mind if I had some time off.B: _A: Monday and Tuesday of next week.B: I'd like to say yes, but it's just not possible.AI highly recommend it.BWhen exactlyCNo, thank you. I can manage myself.DThat's it. Thanks. 30.Nick: Hi, Daisy, let me introduce you to Peter. Peter also works at IBM. Peter, this is Daisy, a family friend.Peter: _AHi, I am Peter Cruis.BHi, how do you doCHi, what do you doDHi, glad to meet you, Daisy. 31._ the temperature falling so rapidly, we couldn't go on with the experiment.ASinceBForCAsDWith 32.Sometimes I wish I_ in a different time and a different place.Abe livingBwere livingCwould liveDwould have lived 33.Being a pop star can be quite a hard life, with a lot of travelling _heavy schedules.Awith regard toBas toCin relation toDowing to 34.She ought to stop work: she has a headache because she_ too long.Ahas been readingBhad readCis readingDread 35.I'd rather you _ make any comment on the issue for the time being.Adon'tBwouldn'tCdidn'tDshouldn't 36."Do you know her" " _I remember_"Asomewhere having seen herBhaving somewhere seen herChaving seen her somewhereDhaving seen somewhere her 37.People appreciate _ with him because he has a good sense of humor.Ato workBto have workedCworkingDhaving worked 38.American football and baseball are becoming known to the British public through televised_ from the United States.AtransferBdeliveriesCtransportationDtransmissions 39.Excuse me. If your call' s not too urgent, do you mind _ mine firstAI makeBif I makeCme to makeDthat I make 40.Floods cause billions of dollars worth of property damage _.ArelativelyBactuallyCannuallyDcomparatively 41.When a dog has received effective obedience training, its owner_.Acan give the dog more rewardsBwill enjoy a better family lifeCcan give the dog more freedomDwill have more confidence in himself 42.Many coaches and parents are in the habit of criticizing young athletes_.Awithout realizing criticism may destroy their self confidenceBin order to make them remember life's lessonsCbelieving that criticism is beneficial for their early developmentDso as to put more pressure on them 43.Effective communication between a dog and its owner is_.Aessential to solving the dog's behavior problemsBthe foundation for dogs to perform tasksCa good way to teach the dog new tricksDan extreme measure in obedience training 44.The author's purpose in writing the passage is_.Ato persuade young children not to worry about criticismBto stress the importance of positive reinforcement to childrenCto discuss the skill of combining criticism with encouragementDto teach young athletes how to avoid burnout 45.According to the passage sport is positive for young people in that_.Ait can help them learn more about societyBit teaches them how to set realistic goals for themselvesCit enables them to find flaws in themselvesDit can provide them with valuable experiences 46.An effective way to prevent the burnout of young athletes is_.Ato make sports less competitiveBto make sports more challengingCto reduce their stressDto increase their sense of success 47.Behavior problems of dogs are believed to_.Abe just part of their natureBworsen in modem societyCoccur when they go wildDpresent a threat to the community 48.The primary purpose of obedience training is to_.Ateach the dog to perform clever tricksBmake the dog aware to its owner's authorityCprovide the dog with outlets for its wild behaviorDenable the dog to regain its normal behavior 49.According to the passage parents and coaches should_.Ahelp children to win every gameBpay more attention to letting children enjoy sportsCenable children to understand the positive aspect of sportsDtrain children to cope with stress 50.Why can businessmen make money in the emerging elder marketARetirees are more generous in spending money.BThey can employ more gerontologists.CThe elderly possess an enormous purchasing power.DThere are more elderly people working than befor第18页 共18页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页第 18 页 共 18 页