简述基本的听觉现象。

查看答案
正确答案:

(1)声音具有三个属性,称为感觉特性,即音强、音高和音色。(2)听觉的适应与疲劳。(3)声音的混合与掩蔽。

答案解析:

暂无解析

上一题
你可能感兴趣的试题

AccordingtoStevenYoung,ifscientistsgetthedatathat________,theywouldpetitionforfasttrackstatus.

Thevisitorsplannedto________________(花最少的时间游览公园以外的地方).

Thissickmanwas_____inablanket.

A、input
B、issued
C、ensured
D、wrapped

Nearlyallthefamiliescanmanagetomeetthesoaringtuitioncoststhroughvariousinvestmentplans.

PartIReadingComprehension

Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourcomprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet.

Passage1

Questions1to5arebasedonthefollowingpassage:

Askthreepeopletolookthesamewindowatabusystreetcornerandtellyouwhattheysee.Chancesareyouwillreceivethreedifferentanswers.Eachpersonseesthesamescene,buteachperceivessomethingdifferentaboutit.

Perceivinggoesoninourminds.Ofthethreepeoplewholookoutthewindow,onemaysaythatheseesapolicemangivingamotoristaticket.Anothermaysaythatheseesarush-hourtrafficjamattheintersection.Thethirdmaytellyouthatheseesawomantryingtocrossthestreetwithfourchildrenintow.Forperceptionisthemind’sinterpretationofwhatthesenses—inthiscaseoureyes—tellus.

Manypsychologiststodayareworkingtotrytodeterminejusthowapersonexperiencesorperceivestheworldaroundhim.Usingascientificapproach,thesepsychologistssetupexperimentsinwhichtheycancontrolallofthefactors.Bymeasuringandchartingtheresultsofmanyexperiments,theyaretryingtofindoutwhatmakesdifferentpeopleperceivetotallydifferentthingsaboutthesamescene.

1.Seeingandperceivingare.

A.thesameaction

B.twoseparateactions

C.twoactionscarriedonentirelybyeyes

D.severalactionsthattakeplaceatdifferenttimes

2.Perceivingisanactionthattakesplace.

A.inoureyes

B.onlywhenwethinkveryhardaboutsomething

C.onlyunderthedirectionofapsychologist

D.ineveryperson’smind

3.Peopleperceivedifferentthingsaboutthesamescenebecause.

A.theyseedifferentthingsB.somehavebettereyesight

C.theycannotagreeaboutthingsD.noneofthese

4.Whichofthefollowingisimpliedbutnotstatedinthepassage?

A.Psychologistsdonotyetknowpeoplesee.

B.Theexperimentsinwhichallfactorsarecontrolledarebetter.

C.Thestudyofperceptionisgoingonnow.

D.Perceptiondoesnotinvolvepsychologicalfactors.

5.Thebesttitleforthisselectionis.

A.HowWeSee

B.LearningaboutOurMindsthroughScience

C.WhatPsychologistsPerceive

D.HowtoBecauseanExperimentalPsychologist

热门试题 更多>
相关题库更多>
中国现代文学作品选
中国现代文学史
中国文化概论
中国古代文学作品选一
中国古代文学作品选二
中国古代文学史一
中国古代文学史二
中国当代文学作品选
语言学概论
心理学
写作一
现代汉语
文学概论
外国文学作品选
外国文学史
普通逻辑
美学
教育学一
古代汉语
试卷库
试题库