How Fast does a Tuna Fish Swim? One reason for the tuna's high speed is its tail which beats an incredible 10 to 20 times per second, as efficient, fisheries biologists say, as a rotating propeller on a boat. Another reason is special muscles under the tuna's skin.
【題組】 4. Another reason for the tuna's high speed is its special
(A) skin
(B) shape
(C) tail
(D) muscles.

教甄◆英文科- 103 年 - 103-1 國立竹北高中教師甄選：英文科#20499

答案：D
難度： 簡單

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	Vivien Lai 高二下 (2017/04/08) 題目問another reason，因此★★★★★★★... (內容隱藏中) 查看隱藏文字

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