問題詳情
請依下文回答第 41 題至第 45 題：Giant pandas have better ears than people — and polar bears. Researchers found out that pandas can 41 surprisingly highfrequencies. The scientists played a range of tones for five zoo pandas trained to 42 a target in response to sound.Training took three to six months for each animal and 43 serious focus and patience, which, according to an expert, was“a lot to ask of a bear.” Both males and females heard into the range of a “silent” ultrasonic dog whistle. Polar bears, theonly other bears scientists have tested, are 44 sensitive to sounds at or above 14 kilohertz. Researchers still don’t knowwhy pandas have ultrasonic hearing. The bears are a 45 bunch, but their chirps and other calls have never been recordedat ultrasonic levels. Great hearing may be a holdover from the bears’ ancient past.
【題組】41
(A) taste
(B) hear
(C) see
(D) touch
參考答案
答案：B
難度：簡單0.892226
統計：A(19),B(505),C(21),D(21),E(0)
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【確定目標後，專注踏實的實現】評論
Giant pandas have better ears than people — and polar bears.大熊貓比人類和北極熊有更好的聽覺。Researchers found out that pandas can 41hearsurprisingly high frequencies. 研究人員發現，大熊貓可以聽見令人驚人地高頻率。The scientists played a range of tones for five zoo pandas trained to 42nose a target in response to sound. 科學家們為五隻動物園熊彈奏了一範圍的音調，訓練他們能反應出探查聲音的目標。Training took three to six months for each animal and 43demanded serious focus and patience, which, according to an expert, was “a lot to ask of a bear.”對於每隻動物，訓練需要3到6個月，並且需要...