Whichofthefollowingstatementsa-2021年度重庆市会计人员继续教育网在线培训会计考试参考答案

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Whichofthefollowingstatementsaboutthesalinityofabodyofwatercanbestbeinferredfromthepassage?

A、Thetemperatureofthewateristhemostimportantfactor.

B、Howquicklythewatermovesisdirectlyrelatedtotheamountofsalt.

C、Oceansalinityhaslittleeffectonsealife.

D、Variousfactorscombinetocausevariationsinthesaltcontentofwater.

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答案解析:答案选D。文章提到赤道、沿海以及南极洲地区不同的海水含盐量,由此可以得知D项能被推断出来。

WhydoestheauthormentiontheWeddellSea?

A、toshowthatthisbodyofwaterhassalinityvariations.

B、tocompareAntarcticwaterswithArcticwaters.

C、togiveanexampleofcold-watersalinity.

D、topointoutthelocationofdeepwaters.

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答案解析:答案选C。文章最后一段说IntheWeddellSea,offAntarctica,thedensestwaterintheoceansisformedasaresultofthisfreezingprocess,whichincreasesthesalinityofcoldwater,由此可知选项C正确。

Whyareantscomparedtoecosystemengineers?

A、ecausetheybuildtheirownnests.

B、ecausetheycollectfood.

C、ecausetheiractivityaffectstheenvironment.

D、ecausetheyarepredators.

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答案解析:答案选C。短文的第一段提供了答案。A不是正确答案,因为并不是因为蚂蚁会筑巢才被誉为生态系统工程师,而是因为它们筑巢和获取食物的方式改变了土壤的营养水平,为整个食物链提供了很好的生态环境(见第二段)。

Whatdoesthepassagemainlydiscuss?

A、Theelementsofsalt

B、Thebodiesofwateroftheworld

C、Themanyformsofoceanlife

D、Thesalinityofoceanwater

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答案解析:答案选D。通篇都出现了关键词salinity,因此选D。

Whatdoesthepassagemainlydiscuss?

A、Theelementsofsalt

B、Thebodiesofwateroftheworld

C、Themanyformsofoceanlife

D、Thesalinityofoceanwater

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答案解析:答案选D。通篇都出现了关键词salinity,因此选D。

WhichofthefollowingisNOTmentionedinthefirstasareasonforpopularinterestinbirds?

A、Theirecologicalvalue

B、Theirappealinghabits

C、Theirvisibility

D、Theirbeauty

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答案解析:答案选A。其他三项在第一段都提到了。

WhydoestheauthormentiontheWeddellSea?

A、toshowthatthisbodyofwaterhassalinityvariations.

B、tocompareAntarcticwaterswithArcticwaters.

C、togiveanexampleofcold-watersalinity.

D、topointoutthelocationofdeepwaters.

正确答案:公需科目题库搜索

答案解析:答案选C。文章最后一段说IntheWeddellSea,offAntarctica,thedensestwaterintheoceansisformedasaresultofthisfreezingprocess,whichincreasesthesalinityofcoldwater,由此可知选项C正确。

Whatdoesparagraph6tellus?

A、ntsbringaboutanegativeinfluencetoanareawhentheirpopulationissmall.

B、ntsbringaboutapositiveinfluencetoanareawhentheirpopulationissmall.

C、nts’predationcounteractsthepositiveinfluencetheymayhaveonanarea.

D、thigherdensity,antsproduceapositiveinfluenceonanarea.

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答案解析:答案选B。短文第六段第二句的大概意思是,蚂蚁数量小(alowdensityofants)的话,能使其他动物的品种和数量增加(increasedthediversityanddensityofotheranimals),从而给环境带来积极影响;第三句说,如果蚂蚁的数量大(Athigherdensities),就不可能产生同样的影响,或者是相反的影响,这表明,蚂蚁的掠食活动会抵消蚂蚁给环境带来的积极影

Whyareantscomparedtoecosystemengineers?

A、ecausetheybuildtheirownnests.

B、ecausetheycollectfood.

C、ecausetheiractivityaffectstheenvironment.

D、ecausetheyarepredators.

正确答案:公需科目题库搜索

答案解析:答案选C。短文的第一段提供了答案。A不是正确答案,因为并不是因为蚂蚁会筑巢才被誉为生态系统工程师,而是因为它们筑巢和获取食物的方式改变了土壤的营养水平,为整个食物链提供了很好的生态环境(见第二段)。

Whichofthefollowingstatementsaboutthesalinityofabodyofwatercanbestbeinferredfromthepassage?

A、Thetemperatureofthewateristhemostimportantfactor.

B、Howquicklythewatermovesisdirectlyrelatedtotheamountofsalt.

C、Oceansalinityhaslittleeffectonsealife.

D、Variousfactorscombinetocausevariationsinthesaltcontentofwater.

正确答案:公需科目题库搜索

答案解析:答案选D。文章提到赤道、沿海以及南极洲地区不同的海水含盐量,由此可以得知D项能被推断出来。