Directions:

Inthissection,thereare10incompletesentences.Youarerequiredtocompleteeachonebydecidingonthemostappropriatewordorwordsfromthe4choicesmarkedA,B,CandD.ThenyoushouldmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.

21、62%ofthepeoplesurveyedsaidtheyalwaysavoided______theirsmartphonesduringmeals.

A.useB.usingC.touseD.used

22、TheHRdepartmentisacriticalpartofemployeewell-beinginanybusiness,nomatter______smallitis.

A.howB.whatC.whereD.which

23、Accordingtotheregulation,inspections______toensurethatthesystemsareingoodcondition.

A.demandedB.havedemandedC.bedemandedD.aredemanded

24、Beforeyouthinkaboutaskingforapromotion,makesurethateitherapositionopeningexists______anewpositionisneededtobecreated.

A.andB.norC.orD.but

25、ThetrafficwasmakingsomuchnoisethatIcouldn'thearwhathe______.

A.issayingB.wassayingC.hassaidD.willsay

26、Ourcompanycultureis______makesussuccessfulincreatingafriendlyandexcitingenvironment.

A.whereB.howC.whatD.why

27、Mostpeopleweregreatlyshockedbythenews______theITcompanyhadgonebankrupt.

A.whatB.howC.whyD.that

28、IwouldprobablytrytofindabetterjobifI______inyourposition.

A.amB.wereC.havebeenD.be

29、Ifyouare______busytoattendthemeeting,youcansendyourassistanttotakeyourplace.

A.veryB.soC.tooD.more

30、Ihadtowaitforanothertwomonthstobeabletohavethecar______.

A.fixingB.fixC.tofixD.fixed

两个对象值相同(x.equals(y)==true)，但却可有不同的hashcode，这句话对不对?并简要说明理由。

请用Python语言编写一个简易的猜数字游戏程序。

36、JoanSmithwrotetherecommendationletteronbehalfof______.

A.aDutchcitizen

B.herdsmanfamilies

C.theEuropeanconsumer

D.SandRiveranditsCEO

37、FromtheletterwecanlearnthatSandRiver______.

A.haslong-termlinkswithherdsmen

B.employsmanyherdsmanworkers

C.manufacturesadvancedmachines

D.sellshand-madeproducts

38、Thetargetconsumersofthenewly-establishedcashmerebrandare______.

A.collegestudents

B.blue-colorworkers

C.high-incomewomen

D.averageherdsmanfamilies

39、Bysaying"awomanofherword"(Para.3),thewritermeansthatMrs.King______.

A.alwayskeepsherpromise

B.isagoodpublicspeaker

C.knowscustomerswell

D.iswelleducated

40、AsfarastheEuropeanmarketisconcerned,thewriterthinksthatSandRiverproducts______.

A.arefitforsupermarketsinbigcities

B.arelikelytoenjoyabigmarketshare

C.willappealtodifferentkindsofcustomers

D.deserveaplaceinluxuriousdepartmentstores

DearSir/Madam,

IampleasedtowritealetterofrecommendationonbehalfofSandRiveranditsCEO,Mrs.JaneKing.Iamveryfamiliarwiththecompany.Mynextbookdealswithitindetail,whichistobepublishedinautumnof2018.IamalsofamiliarwithEuropeanconsumer.AsaDutchcitizen,IhavelivedinEuropefor46yearsandstudiedEuropeanconsumerbehaviorfordecades.IbelievethatSandRiverofferssomethinguniquetotheEuropeanmarket.Ithasestablishedlong-termsupplyrelationswithherdsman(牧民)familiesandownsadvancedGermanmachinery.Thusitcombinesnaturalresourceswithmodernmanufacturingtechniques.Butequallyimportant,SandRiverworkswithmodernfashiondesignerstocreatetrulycontemporaryandappealingdesigns.Theresultisanewly-establishedcashmere(羊绒)brandthatappealstoatargetgroupofhigh-incomewomen.ImetMrs.Kingthefirsttimein2013.Sincethen,wehavemetseveraltimesandtalkedaboutSandRiver'sphilosophy,strategy,andappealtobothChineseandinternationalconsumers.Iwasstruckbyherdeepknowledgeaboutknitting(针织)technology,herenthusiasmforthebrand,andherdeepunderstandingofthecashmereshopper.Iregardherasa"womanofherword."Tosummarize,IbelieveSandRiverproductsdeserveaplaceinluxuriousEuropeandepartmentstoresandMrs.Kingisareliablepartner.Ifyouhaveanyquestions,pleasedonothesitatetocontactme.Sincerely,JoanSmith

36、JoanSmithwrotetherecommendationletteronbehalfof______.

A.aDutchcitizen

B.herdsmanfamilies

C.theEuropeanconsumer

D.SandRiveranditsCEO

37、FromtheletterwecanlearnthatSandRiver______.

A.haslong-termlinkswithherdsmen

B.employsmanyherdsmanworkers

C.manufacturesadvancedmachines

D.sellshand-madeproducts

38、Thetargetconsumersofthenewly-establishedcashmerebrandare______.

A.collegestudents

B.blue-colorworkers

C.high-incomewomen

D.averageherdsmanfamilies

39、Bysaying"awomanofherword"(Para.3),thewritermeansthatMrs.King______.

A.alwayskeepsherpromise

B.isagoodpublicspeaker

C.knowscustomerswell

D.iswelleducated

40、AsfarastheEuropeanmarketisconcerned,thewriterthinksthatSandRiverproducts______.

A.arefitforsupermarketsinbigcities

B.arelikelytoenjoyabigmarketshare

C.willappealtodifferentkindsofcustomers

D.deserveaplaceinluxuriousdepartmentstores

某工程开工前，由施工单位组织了图纸会审，并首先由监理单位做了技术交底;因工期紧张，施工许可证正在办理之中，施工单位就向监理单位填写了开工报审表，由项目监理工程师签字同意后，就予以开工;在进场材料验收中，某批小用量钢材材料供应商提供了材料合格证件复印件

问题

(1)在图纸会审过程中，有什么错误做法，请指出，并说出正确做法。

(2)若材料供应商提供复印件，应满足什么要求?

混凝土运输过程中易发生哪些质量事故?应如何防止?

比较负载测试、容量测试和强度测试的区别。

学生表：Student学生表(学号，姓名，性别，年龄，组织部门)

Course课程表(编号，课程名称)

Sc选课表(学号，课程编号，成绩)

表结构如下：

(1).写一个SQL语句，查询选修了’计算机原理’的学生学号和姓名

(2).写一个SQL语句，查询’周星驰’同学选修了的课程名字

(3).写一个SQL语句，查询选修了5门课程的学生学号和姓名

引起瓦斯积聚而发生爆炸的主要原因是什么?

模板按架立特性分为哪几类?各自适用条件是什么?