48. According to this article, which of the following statement is NOT true?
(A) Their feet are tucked near their tails while swimming.
(B) They can breathe underwater long enough to hunt.
(C) They can trap air under their feathers.
(D) Their wings keep water from flowing smoothly.
答案:登入後查看
統計: A(70), B(77), C(65), D(172), E(0) #3077095
統計: A(70), B(77), C(65), D(172), E(0) #3077095