3维欧氏空间R3(取标准内积)中的向量(2,3,－1),(1,1,0),(0,1,－1)生成的子空间的正交补空间的维数是（）。

已知三阶实对称方阵$A$有特征值2,2,3,且$(1,1,1)^{T}$是属于3的特征向量。则$A$的属于2的线性无关的特征向量是（)。

设(3(alpha_{1}-alpha)+2(alpha_{2}+alpha)=5(alpha_{3}+alpha),)试求向量`alpha=`_____，其中`alpha_{1}=(2,5,1,3)^{T},alpha_{2}=(10,1,5,10)^{T}`，(alpha_{3}=(4,1,-1,1)^{T}。)

1、边坡按岩土介质分类不包括哪个类别？

5、哪个不属于斜坡稳定性分析的定量分析方法？

6、地面沉降的危害不包括（）。

7、（）不属于边坡的断面形式。

8、边坡加固中可采取组合支护措施，（）不属于组合支护措施？

9、在暴雨诱发型滑坡中，（）不属于导致滑坡滞后时间变短的因素。

10、关于滑坡、崩塌与泥石流的关系，正确的是：

1.岩层面的产状要素包括:（）

Achildwhohasoncebeenpleasedwithatalelikes,asarule,tohaveitretoldinalmostthesamewords,butthisshouldnotleadparentstotreatprintedfairystoriesasformaltexts.Itisalwaysmuchbettertotellastorythanreaditoutofabook,and,ifaparentcanproducewhat,intheactualsituationofthetimeandthechild,isanimprovementontheprintedtext,somuchthebetter.Achargemadeagainstfairytalesisthattheyharmthechildbyfrighteninghimormakinghimsadthinking.Toprovethelatter,onewouldhavetoshowinacontrolledexperimentthatchildrenwhohavereadfairystoriesweremoreoftensorryforcrueltythanthosewhohadnot.Astofears,thereare,Ithink,somecasesofchildrenbeingdangerouslyterrifiedbysomefairystory.Often,however,thisarises(出现)fromthechildhavingheardthestoryonce.Familiaritywiththestorybyrepetitionturnsthepainoffearintothepleasureofafearfacedandmastered.Therearealsopeoplewhoobjecttofairystoriesonthegroundsthattheyarenotobjectivelytrue,thatgiants,witches,two-headeddragons,magiccarpets,etc.donotexist;andthat,insteadofbeingfondofthestrangesideinfairytales,thechildshouldbetaughttolearntherealitybystudyinghistory.Ifindsuchpeople,Imustsaysopeculiar(奇怪的)thatIdonotknowhowtoarguewiththem.Iftheircaseweresound,theworldshouldbefullofmadmenattemptingtoflyfromNewYorktoPhiladelphiaonastickorcoveringatelephonewithkissesinthebeliefthatitwastheirbelovedgirl-friend.Nofairystoryeverdeclaredtobeadescriptionoftherealworldandnocleverchildhaseverbelievedthatitwas.1.Theauthorconsidersthatafairystoryismoreeffectivewhenitis_______.

1-1.What’sthemainfunctionofthefirstsentenceinthepassage?

产品ZXCA-F第1时段主生产计划量为100，其产品结构如图所示，其中部件CL在工作中心25完成，单件加工时间为0.6，批量为20，准备时间为1.1，其他部件不占用工作中心25，那么加工单件产品ZXCA-F对工作中心25来说所需的总时间为多少？

Cross-cultureUnderstandingonBusinessWeliveinaglobalvillage,buthowwelldoweknowandunderstandthecross-cultureonbusiness?MaybeweassumethatthewidespreadunderstandingofEnglishlanguagemeansacorrespondingunderstandingofEnglishcustoms.However,itmightnotbenecessarilythecase.Ifwewanttohavegoodbusiness,wemusthavethecross-cultureunderstandingonbusiness.Herearesometipsforyoutopayattentionto:1.EyeContactInmanyWesterncountries,includingtheUnitedStates,apersonwhodoesnotmaintain“goodeyecontact”isregardedasbeingslightlysuspicious.Americansunconsciouslyassociatepeoplewhoavoideyecontactasunfriendly,insecure,untrustworthy,inattentiveandimpersonal.However,incontrast,Japaneseadultslowertheireyeswhenspeakingtoasuperior,agestureofrespect.InThailandyoushouldclaspyourhandstogetherandloweryourheadandyoureyeswhenyougreetsomeone.LatinAmericanculture,aswellassomeAfricancultures,suchasNigeria,havelongerlookingtime,butprolongedeyecontactfromanindividualoflowerstatusisconsidereddisrespectful.IntheUS,itisconsideredrudetostare–regardlessofwhoislookingatwhom.Incontrast,thepoliteEnglishmanistaughttopaystrictattentiontoaspeaker,tolistencarefully,andblinkhiseyestoletspeakerknowheorshehasbeenunderstoodaswellasheard,whileinPakistanyoumustn’twinkforit’soffensive.2.TimeofArrivalImagineyouhavemadeanappointmentatthreeo’clock.Whattimeshouldyouexpectyourforeignbusinesscolleaguestoarrive?Ifthey’reGerman,they’llberightontime.Ifthey’reAmerican,they’llprobablybe15minutesearly.Ifthey’llbeBritish,they’llbe15minuteslateandyoushouldallowuptoanhourfortheItalians.3.AtMealandDrinkingTimeTheBritisharehappytohavebusinesslunchanddiscussbusinessmatterswithadrinkduringthemeal;theJapaneseprefernottoworkwhileeating.Lunchisatimetorelaxandgettoknowoneanother,andtheyrarelydrinkatlunchtime.TheGermansliketotalkbusinessbeforedinner.However,incontrast,theFrenchliketoeatfirstandtalkafterwards.Theyhavetobewellfedandwateredbeforetheydiscussanything.Andyoushouldn’tsitdowninacaféuntilyou’veshakenhandswitheveryoneyouknowinFrance.InRussiayoumustmatchyourhostsdrinkfordrink,ortheywillthinkyouareunfriendly;inAmericayoushouldeatyourhamburgerwithbothhandsandasquicklyasyoucan.Youshouldn’ttrytohaveaconversationuntilitiseaten;intheMiddleEastyoumustneverusethelefthandforeating,drinking,smokingorgreeting.Also,youshouldtakecarenottoadmireanythinginyourhost’shome.Theywillfeelthattheyhavetogiveittoyou.Thereareothersuggestionsoncross-cultureunderstandingonbusinessthatmighthelpyouwithyourbusiness.Onlyafewhavebeenmentionedhere.Beforeyougotoacountryonbusiness,youshouldhavetolearnsomethingmoreaboutherculture.WheninRome,doastheRomansdo.Choosethebestanswerforthefollowingquestions.1)WhichofthefollowingisnottrueaboutAmericanaccordingtothetext?