問題詳情

Have you ever wondered what dolphins are really like? As it turns __21__ they are actually amazing creatures.Dolphins have tremendous maneuverability, in part because of their muscles and fins. The front fins work a lot like wings on an airplane by helping it glide through the waters. At the same time, the __22__ acts like a propeller.Dolphins also gain an __23__ because of their intelligence. Dolphins are one of the most intelligent creatures on the planet. Another thing __24__ gives dolphins and advantage is their social behavior. Dolphins live in groups called pods. If one of the dolphins in a pod __25__ sick or injured, the others will do their best to help out.
21.
(A) up
(B) out
(C) for
(D) with

參考答案

答案：B
難度：適中0.559036
統計：A(101),B(232),C(23),D(15),E(0) #
個人：尚未作答書單：http://siro.moe.edu.tw/teach/index.php?n=0&m=0&cmd=content&sb=2&v=2&p=363、http://siro.moe.edu.tw/teach/index.php?n=0&m=0&cmd=content&sb=2&v=2&p=363、單字

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