阿摩線上測驗
11 Vitamin D _____ can arise if a person does not take in enough or their skin has an impaired ability to nurture it from the sun.
(A) defaults
(B) deficiencies
(C) demerits
(D) disorders
答案：登入後查看
統計： A(58), B(295), C(63), D(66), E(0) #3082901
統計： A(58), B(295), C(63), D(66), E(0) #3082901
