雨课堂学堂在线学堂云《Water Quality Monitoring Technology（日照职业技术学院）》单元测试考核答案

第1题天然水通常(

)Naturalwaterisusually()A具有一定的缓冲性HassomecushioningB是缓冲溶液It'sabuffersolutionC缓冲性很强Greatcushioning.D没有一点缓冲性There'snocushioning第2题下面关于强制性标准的说法不对的是()Thefollowingstatementaboutmandatorystandardsisincorrect()A强制性标准是指在一定范围内,国家运用行政的和法律的手段强制实施的标准。Compulsorystandardsrefertostandardsthatareenforcedbythestatewithinacertainscope,usingadministrativeandlegalmeans.B强制性标准必须执行;Mandatorystandardsmustbeenforced;C不符合强制性标准的产品,可以生产、销售和进口;Productsthatdonotmeetthemandatorystandardscanbeproduced,soldandimported;DGB是强制性国家标准代号GBisamandatorynationalstandardcode第3题以下哪个不属于水质的化学指标?()Whichofthefollowingisnotachemicalindicatorofwaterquality?APH值PHvalueB硬度

hardnessC水温

temperatureofthebodyofwaterD氨氮ammonianitrogen第4题以下哪个不是《水质监控技术》课程的主要内容?()WhichofthefollowingisnotamajorcomponentoftheWaterQualityMonitoringTechnologycourse?A养殖用水中各化学成分的动态变化规律

DynamicpatternsofchemicalconstituentsinaquaculturewaterB水质分析技术WaterqualityanalysistechniquesC养殖对象生态习性

EcologicalhabitsofbreedingobjectsD水质调控技术

Waterqualitycontroltechnology第1题(10分)【单选题】养殖池塘水温调节的关键是(

)Thekeytowatertemperatureregulationinaquaculturepondsis()A保温KeepwarmB打破热成层BreakthethermallayerC降温hypothermiaD保持合适的池水深度Maintainproperpooldepth第2题温水性鱼类的适温范围是(

)

Thetemperaturerangeofwarm-waterfishesis()A小于15℃

Lessthan15°CB15-25℃C25-35℃D15-35℃第3题以下哪个是属于体温度的垂直分布特点()Whichofthefollowingcharacterizestheverticaldistributionofbodytemperature()A春季的正分层PositivestratificationinthespringB夏季的正分层PositivestratificationinsummerC秋季的正分层PositivelayeringinthefallD冬季的正分层Positivestratificationinwinter第4题以下哪个不是水温对养殖生物的的影响(

)Whichofthefollowingisnotaneffectofwatertemperatureonculturedorganisms()A在适温范围内,水温越高孵化时间越长Thehigherthewatertemperature,thelongertheincubationtime,withintheappropriatetemperaturerange.B在适温范围,水温与摄食量呈正比Inthethermophilicrange,watertemperaturewaspositivelycorrelatedwithfoodintake.C在适温范围内,随温度升高,鱼类代谢加强,摄食增加Inthethermophilicrange,fishmetabolismintensifiesandfeedingincreaseswithincreasingtemperatures.D在适温范围内,水温越高孵化时间越短Withinthetemperaturerange,thehigherthewatertemperature,theshortertheincubationtime.Unit3homework第1题以下哪些水色不属于优良水色(

)Whichofthefollowingwatercolorsarenotgoodwatercolors()A茶色tawnyB淡绿色LightgreenC黄绿色chartreuseD蓝绿色turquoise第2题以下不属于水质老化的原因的是(

)

Thefollowingarenotthecausesofagingwaterquality()A溶氧不足OxygendeficiencyB氮磷比不当ImpropernitrogenandphosphorusratioC无机物积累过多ExcessiveaccumulationofinorganicsubstancesD缺营养元素Deficiencyelement第3题以下水色中适合水产养殖的是(

)。Ofthefollowingwatercolorssuitableforaquacultureare().A蓝绿色

turquoiseB酱红色

MaroonredC黄绿色chartreuseD白浊色Dullwhite第4题淡绿色水色出现在(),浓绿色水色出现在()

Lightgreenwaterappearsat(),stronggreenwaterappearsat()A养殖中后期,养殖早期Middleandlatebreeding,earlybreedingB养殖早期,养殖中后期Earlybreeding,middleandlatebreedingC养殖中期,养殖早期Middlebreeding,earlybreedingD养殖后期,养殖中期Lateculture,middlecultureUnit4homework第1题以下哪个参数常用来反应淡水含盐量的多少Whichofthefollowingparametersiscommonlyusedtoreflecttheamountoffreshwatersalinity.A离子总量

TotalionsB矿化度

Degreeofmineralization

C氯度chlorinityD盐度salinity正确答案：AB第2题矿化度大于离子总量。

Themineralizationisgreaterthanthetotalnumberofions.()第3题水中一定的含盐量是保持生物体液一定渗透压的需要,超过了生物渗透压调节的能力,生物就会“渴死”或“胀死”。Acertainamountofsaltinthewaterisrequiredtomaintainacertainosmoticpressureinthebodyfluidsoforganisms,morethantheabilitytoregulatetheosmoticpressureoforganisms,organismswill"dieofthirst"or"bloating".()

第4题海水鱼类胚胎期对盐度的降低耐受范围较宽。Theembryonicstageofmarinefisheshasawiderangeoftolerancetoreducedsalinity.()Unit5homework第1题养殖生产上pH偏高出现在养殖的后期,pH偏低出现在养殖的早期。ThepHofaquacultureproductionishigherthanthatofthelatestageofaquaculture,andthelowpHappearsintheearlystageofaquaculture.()第2题以下不属于pH偏高或过高的现象的是(

)ThefollowingphenomenathatdonotbelongtothephenomenonofhighorhighpHare()

A养殖生物如鱼类极易受刺激而狂游乱窜;Farmedorganisms,suchasfish,areeasilystimulatedtoswimwildly;B体表有大量黏液甚至可拉成丝;Thereisalotofmucusonthebodysurfaceandevencanbedrawnintosilk;C鳃盖腐蚀损伤、鳃部有大量的分泌物凝结;Thegillcoverwasdamagedbycorrosionandalargeamountofsecretionscongealedinthegill.D鱼类体色明显发白,水生植物呈现褐色或白色Fishbodycolorisobviouslywhite,aquaticplantsappearbrownorwhite.第3题养殖水体中以下因素可以使pH升高的是(

)ThefollowingfactorsinaquaculturewatercanincreasepH:()A温度降低TemperaturedropB盐度降低SalinityreductionC光合作用photosynthesisD硝化作用nitration第4题天然水中对pH起决定作用的缓冲系统是()

ThebuffersysteminnaturalwaterthatactsasadeterminantofpHis()A二氧化碳缓冲系统CarbondioxidebuffersystemB氨-氯化铵缓冲系统Ammonia-ammoniumchloridebuffersystemC醋酸-醋酸钠缓冲系统Aceto-sodiumacetatebuffersystemD磷酸盐缓冲系统PhosphatebuffersystemUnit6homework第1题夏季鱼池中溶氧最低的时刻为()Thelowestmomentofdissolvedoxygeninsummerfishpondis()A早上6:00

6:00amB中午12:00

12:00noonC午后2:00

2:00PMD下午6:006:00PM第2题半精养池塘水体的夜间耗氧比例最多的是(

)。Theproportionofoxygenconsumptionatnightinsemi-intensivepondsisthehighest.AA.浮游植物phytoplanktonBB.养殖对象BreedingobjectCC.微生物

microorganismDD.扩散diffuse第3题贫营养型水体中氧气的主要来源是(

)Themainsourceofoxygeninpoornutrientwateris().A光合作用photosynthesisB空气中氧气的溶解

DissolutionofoxygenintheairC随水源带入

CarrywithwaterD呼吸作用respiration第4题鱼池上风处的溶氧比下风处的溶氧(

)Thedissolvedoxygenupwindofthefishpondishigherthanthatdownwind.A高higherB低lowerC相等equalD无法比较,要看具体情况It'simpossibletocompare.ItdependsonthecircumstancesUnit7homework第1题分子氨在总氨氮中占的比例随着温度的升高而增大,随着pH的升高而降低。TheproportionofmolecularammoniaintotalammonianitrogenincreaseswiththeincreaseoftemperatureanddecreaseswiththeincreaseofpH.()第2题藻类对氨氮的吸收是池塘中氨氮去除的主要方法。Theabsorptionofammonianitrogenbyalgaeisthemainmethodofammonianitrogenremovalinponds.()第3题以下哪个不是氨氮对养殖生物的慢性危害()Whichofthefollowingisnotachronichazardofammonianitrogentofarmedorganisms()A摄食降低,生长缓慢DecreasedfeedingandslowgrowthB增加对疾病的易感性IncreasedsusceptibilitytodiseaseC亢奋,在水中丧失平衡High,outofbalanceinthewaterD降低生殖能力Reducedfertility第4题我国《渔业水质标准》标准中规定非离子氨氮含量应不超过()China's"fisheryWaterqualitystandards"standardstipulatesthatthenon-ionicammonianitrogencontentshouldnotexceed().A0.2mg/lB0.02mg/lC0.5mg/lD0.05mg/lUnit8homework第1题养殖水体中的亚硝酸盐氮应该控制在(

)Nitritenitrogeninaquaculturewatershouldbecontrolledat()A0.05mg/lB0.02mg/lC0.2mg/lD0.1mg/l第2题在生产上芽胞杆菌制剂一般(

)GeneralontheproductionofBacilluspreparations()A什么时间都可以用CanyouuseitanytimeB晴天上午或者中午使用UsemorningornoononsunnydaysC阴雨天使用UseonrainydaysD不用开增氧机Noneedtoturnontheaerator第3题氮的三种存在形态中哪种是藻类很少吸收或不吸收的(

)。Whichofthethreeexistingformsofnitrogenislittleornoabsorbedbyalgae().A氨态氮AmmonianitrogenB亚硝酸态氮

NitritenitrogenC硝酸态氮Nitricnitrogen第4题水中硝化作用发生的位置是(

)

Thelocationofnitrificationinwat