阿摩線上測驗
3. What do hagfishes and lampreys have in common with the extinct conodonts?
(A) lungs
(B) the jawless condition
(C) bony vertebrae
(D) their mode of feeding
(E) swim bladders
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統計： A(6), B(109), C(7), D(6), E(5) #1629695
統計： A(6), B(109), C(7), D(6), E(5) #1629695
