What does the passage mainly discuss? According to the passage, the meaning of a message communicated through a pheromone may

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问题 What does the passage mainly discuss?
According to the passage, the meaning of a message communicated through a pheromone may vary when the

选项 A、chemical structure of the pheromone is changed
B、pheromone is excreted while other pheromones are also being excreted
C、exocrine glands do not produce the pheromone
D、pheromone is released near certain specific organisms

答案A

解析

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托福（TOEFL）

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What does the passage mainly discuss? According to the passage, the meaning of a message communicated through a pheromone may

托福（TOEFL）

theprocedureforsortingthroughtheremainsofthefire

ReadthetextbelowandanswerQuestions7-14.INTERCITYSleeperbetweenLondonandScotlandMostticketsmayb

Timekeeper:InventionofMarineChronometerA.Uptothemiddleofthe18thcentury,thenavigatorswerestillunabletoexa

HowdidthetravellerhearaboutNewYork?WhichpeopleshowedthetravelleraroundNewYork?

Whichcolumnofthebarchartrepresentsthefiguresquoted?AstreatmentforbackpaintheClinicmainlyrecommends______.

WriteONEWORDONLYforeachanswer.NameTWOelementswhichproduceweather:(31)(32)

Completethesentencesbelow.WriteNOMORETHANTHREEWORDSforeachanswer.Computersinsome______cannotbelinkedtothene

Inthediurnaltypeoftidaloscillation,thealternateriseandfallofsealevel,asinglehighwaterandasinglelowwatero

A、HefindsDr.Langston’slecturesboringB、HepayscloseattentiontoDr.Langston’slecturesC、Dr.Langston’slecturesaresho

A、RecentlydiscoveredmanuscriptsB、SimilaritiesamongreligionsC、MethodsofanalyzingancientmanuscriptsD、Howancientmanusc

简述营销控制的具体内容。

严重低渗性脱水时，首先输入

当经济中存在通货膨胀时，应该采取的财政政策工具是：()

天虹公司预计20×8年的销售额将比20×7年的5000万元增长20%，留存收益增加额为60万元。若20×7年该公司的敏感资产总额和敏感负债总额分别为1500万元和900万元，则该公司采用销售百分比法预测20×8年的追加资金需要量为()万元。

毛泽东的《浪淘沙·北戴河》中，“浪淘沙”是词题，“北戴河”是词牌。()

制定企业定员标准，核定各类人员用人数量的基本依据是：制度时间内规定的总工作任务量和各类人员的()

()是决定犯罪社会危害性程度的首要因素。

抱负水平

以下叙述中正确的是

In1784,fiveyearsbeforehebecamepresidentoftheUnitedStates,GeorgeWashington,52,wasnearlytoothless.Sohehireda