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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】3. One of the reasons why the tuna swims so fast is because
(A) its tail beats very fast
(B) the shape of its tail is like a propeller on a boat
(C) it has incredible beats
(D) its tail beats 10 to 20 seconds each time.

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：A
難度： 簡單

討論
私人筆記( 0 )

	1F 【站僕】摩檸Morning 國三下 (2015/04/25) 原本答案為B,修改為A 檢舉
	2F Joyce Lin (2015/05/12) propeller 螺旋槳；推進器[C] 檢舉
	3F pierreisthin 小一上 (2017/12/19) One reason for the tuna's high speed is its tail which beats an incredible 10 to 20 times per second. 鮪魚高速運行的一個原因是它的尾巴每秒拍動10到20次。檢舉

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