炎德英才大联考·长沙市一中2024届高三月考试卷(三)2英语答案正在持续更新，本期2024衡中同卷单元卷答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。 A new study suggests that when parents baby talk to their babies,they might be helping them learn to produce speech.The way parents tend to speak to babies-raised voice,exaggerated (pronunciation,slower speed isconsidered to not only attract them,but possibly help them learn to understand what parents are saying.New research fromthe University of Florida suggests that baby talk can have another,previously unknown advantage:helping babies learn toproduce their own speech.The researchers think that by copying the sound of a smaller vocal tract ()we adults areshowing babies what the words should sound like when they come out of their own mouths."It seems to contribute to the production of speech,not just the understanding of speech,"said MatthewMasapollo,Ph.D.,on assistant professor in UF's Department of Speech,Language,and Hearing Sciences."It's notjust goo-goo ga-ga."In the study.the researchers changed sound frequency (to copy either a baby's or adult's vocal tract,andthen tested how babies reacted.6-8 month old bables "showed a clear and strong preference for speech with the frequencythat suggests a vocal tract similar to their own in size and length.'they wrote.4-6 month old babies didn't have that preference,though.So the fact that older babies are more attracted toadults'baby-like sounds may result from their new ability to control their voices and make words rather than meaninglesssounds."Though baby talk may sound simple,it's achieving a lot,"says coauthor Linda Polka of McGill University.Were talking to babies to show them something about speech production,she said."We're equipping them for their ownspeech.8.Which is the way parents usually speak to babies?A.Higher voice.B.Surprising speed.C.Meaningless sounds.D.Natural pronunciation.9.Researchers get their new findings by observing__.A.how babies react to different sound frequenciesB.how parents attract their babies with fun soundsC.how babies differ in their size and hearing abilityD.how parents and their babies communicate every day10.What may cause a four-month-old's lack of interest in adults'baby talk?A.He/She is too young to know where the vocie is from.B.He/She is too young to figure out what is being said.C.He/She hasn't learnt to express his/her feelings well.D.He/She hasn't learnt to control voice and make words.