九江市2023-2024学年度上学期期末考试（高二年级）英语x

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九江市2023-2024学年度上学期期末考试（高二年级）英语x试卷答案

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29. Why did the resresearchers turn offoff the sound?To make the children think in a quiet n virAA. Ti ronment.B. To evaluate the children's potential modeling skills.t.C. To let the childrimagine how the deaf communicateD. To know how the children communicate without speaking.30.What were the children required to do in the experiment?

12.What is the significance of the study?A.It points out wild elephants'food preference.B.It confirms wild elephants are intelligent animalsC.It reveals wild elephants'secrets to looking for food.D.It proves wild elephants differ in problem-solving ability.