第1題天然水通常(

)Naturalwaterisusually()A具有一定的緩沖性HassomecushioningB是緩沖溶液It'sabuffersolutionC緩沖性很強Greatcushioning.D沒有一點緩沖性There'snocushioning第2題下面關(guān)于強制性標(biāo)準(zhǔn)的說法不對的是()Thefollowingstatementaboutmandatorystandardsisincorrect()A強制性標(biāo)準(zhǔn)是指在一定范圍內(nèi),國家運用行政的和法律的手段強制實施的標(biāo)準(zhǔn)。Compulsorystandardsrefertostandardsthatareenforcedbythestatewithinacertainscope,usingadministrativeandlegalmeans.B強制性標(biāo)準(zhǔn)必須執(zhí)行;Mandatorystandardsmustbeenforced;C不符合強制性標(biāo)準(zhǔn)的產(chǎn)品,可以生產(chǎn)、銷售和進口;Productsthatdonotmeetthemandatorystandardscanbeproduced,soldandimported;DGB是強制性國家標(biāo)準(zhǔn)代號GBisamandatorynationalstandardcode第3題以下哪個不屬于水質(zhì)的化學(xué)指標(biāo)?()Whichofthefollowingisnotachemicalindicatorofwaterquality?APH值PHvalueB硬度

hardnessC水溫

temperatureofthebodyofwaterD氨氮ammonianitrogen第4題以下哪個不是《水質(zhì)監(jiān)控技術(shù)》課程的主要內(nèi)容?()WhichofthefollowingisnotamajorcomponentoftheWaterQualityMonitoringTechnologycourse?A養(yǎng)殖用水中各化學(xué)成分的動態(tài)變化規(guī)律

DynamicpatternsofchemicalconstituentsinaquaculturewaterB水質(zhì)分析技術(shù)WaterqualityanalysistechniquesC養(yǎng)殖對象生態(tài)習(xí)性

EcologicalhabitsofbreedingobjectsD水質(zhì)調(diào)控技術(shù)

Waterqualitycontroltechnology第1題(10分)【單選題】養(yǎng)殖池塘水溫調(diào)節(jié)的關(guān)鍵是(

)Thekeytowatertemperatureregulationinaquaculturepondsis()A保溫KeepwarmB打破熱成層BreakthethermallayerC降溫hypothermiaD保持合適的池水深度Maintainproperpooldepth第2題溫水性魚類的適溫范圍是(

)

Thetemperaturerangeofwarm-waterfishesis()A小于15℃

Lessthan15°CB15-25℃C25-35℃D15-35℃第3題以下哪個是屬于體溫度的垂直分布特點()Whichofthefollowingcharacterizestheverticaldistributionofbodytemperature()A春季的正分層PositivestratificationinthespringB夏季的正分層PositivestratificationinsummerC秋季的正分層PositivelayeringinthefallD冬季的正分層Positivestratificationinwinter第4題以下哪個不是水溫對養(yǎng)殖生物的的影響(

)Whichofthefollowingisnotaneffectofwatertemperatureonculturedorganisms()A在適溫范圍內(nèi),水溫越高孵化時間越長Thehigherthewatertemperature,thelongertheincubationtime,withintheappropriatetemperaturerange.B在適溫范圍,水溫與攝食量呈正比Inthethermophilicrange,watertemperaturewaspositivelycorrelatedwithfoodintake.C在適溫范圍內(nèi),隨溫度升高,魚類代謝加強,攝食增加Inthethermophilicrange,fishmetabolismintensifiesandfeedingincreaseswithincreasingtemperatures.D在適溫范圍內(nèi),水溫越高孵化時間越短Withinthetemperaturerange,thehigherthewatertemperature,theshortertheincubationtime.Unit3homework第1題以下哪些水色不屬于優(yōu)良水色(

)Whichofthefollowingwatercolorsarenotgoodwatercolors()A茶色tawnyB淡綠色LightgreenC黃綠色chartreuseD藍綠色turquoise第2題以下不屬于水質(zhì)老化的原因的是(

)

Thefollowingarenotthecausesofagingwaterquality()A溶氧不足OxygendeficiencyB氮磷比不當(dāng)ImpropernitrogenandphosphorusratioC無機物積累過多ExcessiveaccumulationofinorganicsubstancesD缺營養(yǎng)元素Deficiencyelement第3題以下水色中適合水產(chǎn)養(yǎng)殖的是(

)。Ofthefollowingwatercolorssuitableforaquacultureare().A藍綠色

turquoiseB醬紅色

MaroonredC黃綠色chartreuseD白濁色Dullwhite第4題淡綠色水色出現(xiàn)在(),濃綠色水色出現(xiàn)在()

Lightgreenwaterappearsat(),stronggreenwaterappearsat()A養(yǎng)殖中后期,養(yǎng)殖早期Middleandlatebreeding,earlybreedingB養(yǎng)殖早期,養(yǎng)殖中后期Earlybreeding,middleandlatebreedingC養(yǎng)殖中期,養(yǎng)殖早期Middlebreeding,earlybreedingD養(yǎng)殖后期,養(yǎng)殖中期Lateculture,middlecultureUnit4homework第1題以下哪個參數(shù)常用來反應(yīng)淡水含鹽量的多少Whichofthefollowingparametersiscommonlyusedtoreflecttheamountoffreshwatersalinity.A離子總量

TotalionsB礦化度

Degreeofmineralization

C氯度chlorinityD鹽度salinity正確答案：AB第2題礦化度大于離子總量。

Themineralizationisgreaterthanthetotalnumberofions.()第3題水中一定的含鹽量是保持生物體液一定滲透壓的需要,超過了生物滲透壓調(diào)節(jié)的能力,生物就會“渴死”或“脹死”。Acertainamountofsaltinthewaterisrequiredtomaintainacertainosmoticpressureinthebodyfluidsoforganisms,morethantheabilitytoregulatetheosmoticpressureoforganisms,organismswill"dieofthirst"or"bloating".()

第4題海水魚類胚胎期對鹽度的降低耐受范圍較寬。Theembryonicstageofmarinefisheshasawiderangeoftolerancetoreducedsalinity.()Unit5homework第1題養(yǎng)殖生產(chǎn)上pH偏高出現(xiàn)在養(yǎng)殖的后期,pH偏低出現(xiàn)在養(yǎng)殖的早期。ThepHofaquacultureproductionishigherthanthatofthelatestageofaquaculture,andthelowpHappearsintheearlystageofaquaculture.()第2題以下不屬于pH偏高或過高的現(xiàn)象的是(

)ThefollowingphenomenathatdonotbelongtothephenomenonofhighorhighpHare()

A養(yǎng)殖生物如魚類極易受刺激而狂游亂竄;Farmedorganisms,suchasfish,areeasilystimulatedtoswimwildly;B體表有大量黏液甚至可拉成絲;Thereisalotofmucusonthebodysurfaceandevencanbedrawnintosilk;C鰓蓋腐蝕損傷、鰓部有大量的分泌物凝結(jié);Thegillcoverwasdamagedbycorrosionandalargeamountofsecretionscongealedinthegill.D魚類體色明顯發(fā)白,水生植物呈現(xiàn)褐色或白色Fishbodycolorisobviouslywhite,aquaticplantsappearbrownorwhite.第3題養(yǎng)殖水體中以下因素可以使pH升高的是(

)ThefollowingfactorsinaquaculturewatercanincreasepH:()A溫度降低TemperaturedropB鹽度降低SalinityreductionC光合作用photosynthesisD硝化作用nitration第4題天然水中對pH起決定作用的緩沖系統(tǒng)是()

ThebuffersysteminnaturalwaterthatactsasadeterminantofpHis()A二氧化碳緩沖系統(tǒng)CarbondioxidebuffersystemB氨-氯化銨緩沖系統(tǒng)Ammonia-ammoniumchloridebuffersystemC醋酸-醋酸鈉緩沖系統(tǒng)Aceto-sodiumacetatebuffersystemD磷酸鹽緩沖系統(tǒng)PhosphatebuffersystemUnit6homework第1題夏季魚池中溶氧最低的時刻為()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題半精養(yǎng)池塘水體的夜間耗氧比例最多的是(

)。Theproportionofoxygenconsumptionatnightinsemi-intensivepondsisthehighest.AA.浮游植物phytoplanktonBB.養(yǎng)殖對象BreedingobjectCC.微生物

microorganismDD.擴散diffuse第3題貧營養(yǎng)型水體中氧氣的主要來源是(

)Themainsourceofoxygeninpoornutrientwateris().A光合作用photosynthesisB空氣中氧氣的溶解

DissolutionofoxygenintheairC隨水源帶入

CarrywithwaterD呼吸作用respiration第4題魚池上風(fēng)處的溶氧比下風(fēng)處的溶氧(

)Thedissolvedoxygenupwindofthefishpondishigherthanthatdownwind.A高higherB低lowerC相等equalD無法比較,要看具體情況It'simpossibletocompare.ItdependsonthecircumstancesUnit7homework第1題分子氨在總氨氮中占的比例隨著溫度的升高而增大,隨著pH的升高而降低。TheproportionofmolecularammoniaintotalammonianitrogenincreaseswiththeincreaseoftemperatureanddecreaseswiththeincreaseofpH.()第2題藻類對氨氮的吸收是池塘中氨氮去除的主要方法。Theabsorptionofammonianitrogenbyalgaeisthemainmethodofammonianitrogenremovalinponds.()第3題以下哪個不是氨氮對養(yǎng)殖生物的慢性危害()Whichofthefollowingisnotachronichazardofammonianitrogentofarmedorganisms()A攝食降低,生長緩慢DecreasedfeedingandslowgrowthB增加對疾病的易感性IncreasedsusceptibilitytodiseaseC亢奮,在水中喪失平衡High,outofbalanceinthewaterD降低生殖能力Reducedfertility第4題我國《漁業(yè)水質(zhì)標(biāo)準(zhǔn)》標(biāo)準(zhǔn)中規(guī)定非離子氨氮含量應(yīng)不超過()China's"fisheryWaterqualitystandards"standardstipulatesthatthenon-ionicammonianitrogencontentshouldnotexceed().A0.2mg/lB0.02mg/lC0.5mg/lD0.05mg/lUnit8homework第1題養(yǎng)殖水體中的亞硝酸鹽氮應(yīng)該控制在(

)Nitritenitrogeninaquaculturewatershouldbecontrolledat()A0.05mg/lB0.02mg/lC0.2mg/lD0.1mg/l第2題在生產(chǎn)上芽胞桿菌制劑一般(

)GeneralontheproductionofBacilluspreparations()A什么時間都可以用CanyouuseitanytimeB晴天上午或者中午使用UsemorningornoononsunnydaysC陰雨天使用UseonrainydaysD不用開增氧機Noneedtoturnontheaerator第3題氮的三種存在形態(tài)中哪種是藻類很少吸收或不吸收的(

)。Whichofthethreeexistingformsofnitrogenislittleornoabsorbedbyalgae().A氨態(tài)氮AmmonianitrogenB亞硝酸態(tài)氮

NitritenitrogenC硝酸態(tài)氮Nitricnitrogen第4題水中硝化作用發(fā)生的位置是(

)

Thelocationofnitrificationinwat