阿摩線上測驗
15. Which of the following substances is/are bent?
(i) H2S (ii). CO2 (iii) 
(iv) 
(v) O3
(A) only (iii)
(B) (i) and (v)
(C)(i), (iii), and (v)
(D) (i), (ii), (iii), and (v)
(E) (i), (iv), and (v)
答案：登入後查看
統計： A(0), B(1), C(2), D(2), E(9) #2973569
統計： A(0), B(1), C(2), D(2), E(9) #2973569
